Matlab 函数分类汇总-R2011b版
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Function Reference
File I/O Data Organization Descriptive Statistics Statistical Visualization Probability Distributions Hypothesis Tests Analysis of Variance Parametric Regression Analysis Multivariate Methods Cluster Analysis Model Assessment Parametric Classification Nonparametric Supervised Learning Alphabetical List Class Reference
Data file input/output Data arrays and groups Data summaries Data patterns and trends Modeling data frequency Inferences from data Modeling data variance Continuous data models Visualization and reduction Identifying data categories Identifying data categories Categorical data models Classification and regression via trees, bagging, boosting, and more Stochastic data models Systematic data collection Production monitoring Interactive tools General purpose Hidden Markov Models Design of Experiments Statistical Process Control GUIs Utilities File I/O
caseread casewrite tblread tblwrite tdfread
Read case names from file Write case names to file Read tabular data from file Write tabular data to file Read tab-delimited file
1
xptread
Create dataset array from data stored in SAS XPORT format file
Data Organization
Categorical Arrays Dataset Arrays Grouped Data Categorical Arrays
addlevels
(categorical) categorical cellstr
(categorical) circshift
(categorical) ctranspose (categorical) double
(categorical) droplevels (categorical)
Add levels to categorical array
cat (categorical) Concatenate categorical arrays
Create categorical array
Convert categorical array to cell array of strings
char (categorical) Convert categorical array to character array
Shift categorical array circularly Transpose categorical matrix
Convert categorical array to double array Drop levels
end (categorical) Last index in indexing expression for categorical
array flipdim
(categorical) fliplr
(categorical) flipud
(categorical) getlabels
(categorical) getlevels
(categorical)
Flip categorical array along specified dimension Flip categorical matrix in left/right direction Flip categorical matrix in up/down direction Access categorical array labels Get categorical array levels
2
hist (categorical) Plot histogram of categorical data horzcat
(categorical) int16
(categorical) int32
(categorical) int64
(categorical)
Horizontal concatenation for categorical arrays Convert categorical array to signed 16-bit integer array
Convert categorical array to signed 32-bit integer array
Convert categorical array to signed 64-bit integer array
int8 (categorical) Convert categorical array to signed 8-bit integer
array intersect
(categorical) ipermute
(categorical) isempty
(categorical) isequal
(categorical) islevel
(categorical) ismember
(categorical) isscalar
(categorical) isundefined (categorical) isvector
(categorical) length
(categorical) levelcounts (categorical) mergelevels (ordinal) ndims
(categorical) nominal numel
(categorical)
Set intersection for categorical arrays
Inverse permute dimensions of categorical array True for empty categorical array True if categorical arrays are equal Test for levels
True for elements of categorical array in set
ismember (ordinal) Test for membership
True if categorical array is scalar Test for undefined elements
True if categorical array is vector Length of categorical array Element counts by level Merge levels
Number of dimensions of categorical array Construct nominal categorical array Number of elements in categorical array
3
ordinal permute
(categorical) reorderlevels (categorical) repmat
(categorical) reshape
(categorical) rot90
(categorical) setdiff
(categorical) setlabels
(categorical) setxor
(categorical) shiftdim
(categorical) single
(categorical) sort (ordinal) squeeze
(categorical) summary
(categorical) times
(categorical) transpose
(categorical) uint16
(categorical) uint32
(categorical) uint64
(categorical) uint8
(categorical) union
Construct ordinal categorical array Permute dimensions of categorical array Reorder levels
Replicate and tile categorical array Resize categorical array
Rotate categorical matrix 90 degrees Set difference for categorical arrays Label levels
Set exclusive-or for categorical arrays Shift dimensions of categorical array Convert categorical array to single array
size (categorical) Size of categorical array
Sort elements of ordinal array
Squeeze singleton dimensions from categorical array Summary statistics for categorical array Product of categorical arrays Transpose categorical matrix
Convert categorical array to unsigned 16-bit integers Convert categorical array to unsigned 32-bit integers Convert categorical array to unsigned 64-bit integers Convert categorical array to unsigned 8-bit integers Set union for categorical arrays
4
sortrows (ordinal) Sort rows
(categorical) unique
(categorical) vertcat
(categorical)
Unique values in categorical array
Vertical concatenation for categorical arrays
Dataset Arrays
cat (dataset) dataset datasetfun (dataset) end (dataset) get (dataset)
Concatenate dataset arrays Construct dataset array
Apply function to dataset array variables
cellstr (dataset) Create cell array of strings from dataset array
double (dataset) Convert dataset variables to double array
Last index in indexing expression for dataset array Access dataset array properties
export (dataset) Write dataset array to file
grpstats (dataset) Summary statistics by group for dataset arrays horzcat (dataset) Horizontal concatenation for dataset arrays isempty (dataset) True for empty dataset array join (dataset) Merge observations
length (dataset) Length of dataset array ndims (dataset) numel (dataset) replacedata (dataset) set (dataset) size (dataset) stack (dataset)
Number of dimensions of dataset array Number of elements in dataset array Replace dataset variables Set and display properties Size of dataset array
Stack data from multiple variables into single variable
single (dataset) Convert dataset variables to single array sortrows (dataset) Sort rows of dataset array
summary (dataset) Print summary of dataset array unique (dataset) Unique observations in dataset array
unstack (dataset) Unstack data from single variable into multiple
variables vertcat (dataset) Vertical concatenation for dataset arrays
Grouped Data
5
gplotmatrix grp2idx grpstats gscatter
Matrix of scatter plots by group
Create index vector from grouping variable Summary statistics by group Scatter plot by group
Descriptive Statistics
Summaries Measures of Central Tendency Measures of Dispersion Measures of Shape Statistics Resampling Data with Missing Values Data Correlation Summaries
crosstab grpstats summary
(categorical) tabulate
Cross-tabulation
Summary statistics by group
Summary statistics for categorical array Frequency table
Measures of Central Tendency
geomean harmmean trimmean
Geometric mean Harmonic mean
Mean excluding outliers
Measures of Dispersion
iqr mad moment range
Interquartile range
Mean or median absolute deviation Central moments Range of values
6
Measures of Shape
kurtosis moment prctile quantile skewness zscore
Kurtosis Central moments
Calculate percentile values Quantiles Skewness
Standardized z-scores
Statistics Resampling
bootci bootstrp jackknife
Bootstrap confidence interval Bootstrap sampling Jackknife sampling
Data with Missing Values
nancov nanmax nanmean nanmedian nanmin nanstd nansum nanvar
Covariance ignoring NaN values Maximum ignoring NaN values Mean ignoring NaN values Median ignoring NaN values Minimum ignoring NaN values
Standard deviation ignoring NaN values Sum ignoring NaN values Variance, ignoring NaN values
Data Correlation
canoncorr cholcov cophenet corr corrcov partialcorr tiedrank
Canonical correlation
Cholesky-like covariance decomposition Cophenetic correlation coefficient Linear or rank correlation
Convert covariance matrix to correlation matrix Linear or rank partial correlation coefficients Rank adjusted for ties
Statistical Visualization
7
Distribution Plots Scatter Plots ANOVA Plots Regression Plots Multivariate Plots Cluster Plots Classification Plots DOE Plots SPC Plots Distribution Plots
boxplot cdfplot dfittool disttool ecdfhist fsurfht hist3 histfit normplot normspec pareto probplot qqplot randtool scatterhist surfht wblplot
Box plot
Empirical cumulative distribution function plot Interactive distribution fitting
Interactive density and distribution plots
Empirical cumulative distribution function histogram Interactive contour plot Bivariate histogram Histogram with normal fit Normal probability plot
Normal density plot between specifications Pareto chart Probability plots Quantile-quantile plot
Interactive random number generation Scatter plot with marginal histograms Interactive contour plot Weibull probability plot
Scatter Plots
gline gname
Interactively add line to plot Add case names to plot
8
gplotmatrix gscatter lsline refcurve refline scatterhist
Matrix of scatter plots by group Scatter plot by group
Add least-squares line to scatter plot Add reference curve to plot Add reference line to plot
Scatter plot with marginal histograms
ANOVA Plots
anova1 aoctool manovacluster multcompare
One-way analysis of variance Interactive analysis of covariance
Dendrogram of group mean clusters following MANOVA Multiple comparison test
Regression Plots
addedvarplot gline lassoPlot lsline polytool rcoplot refcurve refline robustdemo rsmdemo rstool
view
(classregtree)
Added-variable plot
Interactively add line to plot Trace plot of lasso fit
Add least-squares line to scatter plot Interactive polynomial fitting Residual case order plot Add reference curve to plot Add reference line to plot Interactive robust regression
Interactive response surface demonstration Interactive response surface modeling Plot tree
Multivariate Plots
andrewsplot biplot glyphplot parallelcoords
Andrews plot Biplot Glyph plot
Parallel coordinates plot
Cluster Plots
9
dendrogram manovacluster silhouette
Dendrogram plot
Dendrogram of group mean clusters following MANOVA Silhouette plot
Classification Plots
perfcurve
Compute Receiver Operating Characteristic (ROC) curve or other performance curve for classifier output Plot tree
view
(classregtree)
DOE Plots
interactionplot maineffectsplot multivarichart rsmdemo rstool
Interaction plot for grouped data Main effects plot for grouped data Multivari chart for grouped data
Interactive response surface demonstration Interactive response surface modeling
SPC Plots
capaplot controlchart histfit normspec
Process capability plot Shewhart control charts Histogram with normal fit
Normal density plot between specifications
Probability Distributions
Distribution Objects Distribution Plots Probability Density Cumulative Distribution Inverse Cumulative Distribution Distribution Statistics 10
Distribution Fitting Negative Log-Likelihood Random Number Generators Quasi-Random Numbers Piecewise Distributions Distribution Objects
cdf (ProbDist)
Return cumulative distribution function (CDF) for ProbDist object
fitdist Fit probability distribution to data icdf Return inverse cumulative distribution function (ProbDistUnivKernel) (ICDF) for ProbDistUnivKernel object icdf Return inverse cumulative distribution function (ProbDistUnivParam) (ICDF) for ProbDistUnivParam object iqr Return interquartile range (IQR) for (ProbDistUnivKernel) ProbDistUnivKernel object iqr Return interquartile range (IQR) for (ProbDistUnivParam) ProbDistUnivParam object
mean Return mean of ProbDistUnivParam object (ProbDistUnivParam) median Return median of ProbDistUnivKernel object (ProbDistUnivKernel)
median Return median of ProbDistUnivParam object (ProbDistUnivParam)
paramci Return parameter confidence intervals of (ProbDistUnivParam) ProbDistUnivParam object pdf (ProbDist)
Return probability density function (PDF) for ProbDist object
Construct ProbDistUnivParam object
Generate random number drawn from ProbDist object
ProbDistUnivKernel Construct ProbDistUnivKernel object ProbDistUnivParam random (ProbDist)
std Return standard deviation of ProbDistUnivParam (ProbDistUnivParam) object
var Return variance of ProbDistUnivParam object (ProbDistUnivParam)
Distribution Plots
11
boxplot cdfplot dfittool disttool ecdfhist fsurfht hist3 histfit normplot normspec pareto probplot qqplot randtool scatterhist surfht wblplot
Box plot
Empirical cumulative distribution function plot Interactive distribution fitting
Interactive density and distribution plots
Empirical cumulative distribution function histogram Interactive contour plot Bivariate histogram Histogram with normal fit Normal probability plot
Normal density plot between specifications Pareto chart Probability plots
Quantile-quantile plot
Interactive random number generation Scatter plot with marginal histograms Interactive contour plot Weibull probability plot
Probability Density
betapdf binopdf chi2pdf copulapdf disttool evpdf exppdf fpdf gampdf geopdf gevpdf gppdf hygepdf ksdensity lognpdf mnpdf mvnpdf
Beta probability density function Binomial probability density function Chi-square probability density function Copula probability density function Interactive density and distribution plots Extreme value probability density function Exponential probability density function
F probability density function Gamma probability density function Geometric probability density function Generalized extreme value probability density function
Generalized Pareto probability density function Hypergeometric probability density function Kernel smoothing density estimate Lognormal probability density function Multinomial probability density function Multivariate normal probability density
12
function
mvtpdf nbinpdf ncfpdf nctpdf ncx2pdf normpdf pdf
pdf (gmdistribution)
Multivariate t probability density function Negative binomial probability density function Noncentral F probability density function Noncentral t probability density function Noncentral chi-square probability density function
Normal probability density function Probability density functions
Probability density function for Gaussian mixture distribution
pdf Probability density function for piecewise (piecewisedistribution) distribution poisspdf
Poisson probability density function
random Random numbers from piecewise distribution (piecewisedistribution) raylpdf tpdf unidpdf unifpdf wblpdf
Rayleigh probability density function
Student's t probability density function
Discrete uniform probability density function Continuous uniform probability density function Weibull probability density function
Cumulative Distribution
betacdf binocdf cdf
cdf (gmdistribution)
Beta cumulative distribution function Binomial cumulative distribution function Cumulative distribution functions
Cumulative distribution function for Gaussian mixture distribution
cdf Cumulative distribution function for piecewise (piecewisedistribution) distribution cdfplot chi2cdf copulacdf disttool ecdf ecdfhist evcdf
Empirical cumulative distribution function plot Chi-square cumulative distribution function Copula cumulative distribution function Interactive density and distribution plots Empirical cumulative distribution function Empirical cumulative distribution function
histogram
Extreme value cumulative distribution function
13
expcdf fcdf gamcdf geocdf gevcdf gpcdf hygecdf logncdf mvncdf mvtcdf ncfcdf nctcdf ncx2cdf normcdf poisscdf raylcdf tcdf unidcdf unifcdf wblcdf
Exponential cumulative distribution function
F cumulative distribution function Gamma cumulative distribution function Geometric cumulative distribution function Generalized extreme value cumulative distribution function
Generalized Pareto cumulative distribution function
Hypergeometric cumulative distribution function Lognormal cumulative distribution function Multivariate normal cumulative distribution function
Multivariate t cumulative distribution function Noncentral F cumulative distribution function Noncentral t cumulative distribution function Noncentral chi-square cumulative distribution function
Normal cumulative distribution function Poisson cumulative distribution function Rayleigh cumulative distribution function Student's t cumulative distribution function Discrete uniform cumulative distribution function
Continuous uniform cumulative distribution function
Weibull cumulative distribution function
Inverse Cumulative Distribution
betainv binoinv chi2inv evinv expinv finv
Beta inverse cumulative distribution function Binomial inverse cumulative distribution function
Chi-square inverse cumulative distribution function
Extreme value inverse cumulative distribution function
Exponential inverse cumulative distribution function
F inverse cumulative distribution function
14
gaminv geoinv gevinv gpinv hygeinv icdf
Gamma inverse cumulative distribution function Geometric inverse cumulative distribution function
Generalized extreme value inverse cumulative distribution function
Generalized Pareto inverse cumulative distribution function
Hypergeometric inverse cumulative distribution function
Inverse cumulative distribution functions
icdf Inverse cumulative distribution function for (piecewisedistribution) piecewise distribution logninv nbininv ncfinv nctinv ncx2inv norminv poissinv raylinv tinv unidinv unifinv wblinv
Lognormal inverse cumulative distribution
function
Negative binomial inverse cumulative distribution function
Noncentral F inverse cumulative distribution function
Noncentral t inverse cumulative distribution function
Noncentral chi-square inverse cumulative distribution function
Normal inverse cumulative distribution function Poisson inverse cumulative distribution function
Rayleigh inverse cumulative distribution function
Student's t inverse cumulative distribution function
Discrete uniform inverse cumulative distribution function
Continuous uniform inverse cumulative distribution function
Weibull inverse cumulative distribution function
Distribution Statistics
betastat binostat
Beta mean and variance Binomial mean and variance
15
chi2stat copulastat evstat expstat fstat gamstat geostat gevstat gpstat hygestat lognstat nbinstat ncfstat nctstat ncx2stat normstat poisstat raylstat tstat unidstat unifstat wblstat
Chi-square mean and variance Copula rank correlation
Extreme value mean and variance Exponential mean and variance
F mean and variance Gamma mean and variance Geometric mean and variance
Generalized extreme value mean and variance Generalized Pareto mean and variance Hypergeometric mean and variance Lognormal mean and variance
Negative binomial mean and variance Noncentral F mean and variance Noncentral t mean and variance
Noncentral chi-square mean and variance Normal mean and variance Poisson mean and variance Rayleigh mean and variance Student's t mean and variance Discrete uniform mean and variance Continuous uniform mean and variance Weibull mean and variance
Distribution Fitting
Supported Distributions Piecewise Distributions Supported Distributions betafit binofit copulafit copulaparam dfittool evfit expfit
Beta parameter estimates Binomial parameter estimates Fit copula to data
Copula parameters as function of rank correlation Interactive distribution fitting Extreme value parameter estimates Exponential parameter estimates
16
fit Gaussian mixture parameter estimates (gmdistribution) gamfit gevfit gpfit histfit johnsrnd lognfit mle mlecov nbinfit normfit normplot pearsrnd poissfit raylfit unifit wblfit wblplot
Gamma parameter estimates
Generalized extreme value parameter estimates Generalized Pareto parameter estimates Histogram with normal fit Johnson system random numbers Lognormal parameter estimates Maximum likelihood estimates
Asymptotic covariance of maximum likelihood estimators
Negative binomial parameter estimates Normal parameter estimates Normal probability plot Pearson system random numbers Poisson parameter estimates Rayleigh parameter estimates
Continuous uniform parameter estimates Weibull parameter estimates Weibull probability plot
Piecewise Distributions
boundary Piecewise distribution boundaries (piecewisedistribution) lowerparams (paretotails)
Lower Pareto tails parameters
nsegments Number of segments (piecewisedistribution) paretotails
Construct Pareto tails object
piecewisedistribution Create piecewise distribution object segment Segments containing values (piecewisedistribution) upperparams (paretotails)
Upper Pareto tails parameters
Negative Log-Likelihood
betalike evlike
Beta negative log-likelihood
Extreme value negative log-likelihood
17
explike gamlike gevlike gplike lognlike mvregresslike normlike wbllike
Exponential negative log-likelihood Gamma negative log-likelihood
Generalized extreme value negative log-likelihood Generalized Pareto negative log-likelihood Lognormal negative log-likelihood
Negative log-likelihood for multivariate regression Normal negative log-likelihood Weibull negative log-likelihood
Random Number Generators
betarnd binornd chi2rnd copularnd datasample evrnd exprnd frnd gamrnd geornd gevrnd gprnd hygernd iwishrnd johnsrnd lhsdesign lhsnorm lognrnd mhsample mnrnd mvnrnd mvtrnd nbinrnd ncfrnd nctrnd ncx2rnd
Beta random numbers Binomial random numbers Chi-square random numbers Copula random numbers
Randomly sample from data, with or without replacement
Extreme value random numbers Exponential random numbers
F random numbers Gamma random numbers Geometric random numbers
Generalized extreme value random numbers Generalized Pareto random numbers Hypergeometric random numbers Inverse Wishart random numbers Johnson system random numbers Latin hypercube sample
Latin hypercube sample from normal distribution Lognormal random numbers Metropolis-Hastings sample Multinomial random numbers
Multivariate normal random numbers Multivariate t random numbers Negative binomial random numbers Noncentral F random numbers Noncentral t random numbers
Noncentral chi-square random numbers
18
normrnd pearsrnd poissrnd randg random
Normal random numbers
Pearson system random numbers Poisson random numbers Gamma random numbers Random numbers
random (gmdistribution) Random numbers from Gaussian mixture
distribution random Random numbers from piecewise distribution (piecewisedistribution) randsample randtool raylrnd slicesample trnd unidrnd unifrnd wblrnd wishrnd
Random sample
Interactive random number generation Rayleigh random numbers Slice sampler
Student's t random numbers Discrete uniform random numbers Continuous uniform random numbers Weibull random numbers Wishart random numbers
Quasi-Random Numbers
addlistener (qrandstream) delete
(qrandstream) end (qrandset) findobj
(qrandstream) findprop
(qrandstream)
Add listener for event Delete handle object
Last index in indexing expression for point set Find objects matching specified conditions Find property of MATLAB handle object
eq (qrandstream) Test handle equality
ge (qrandstream) Greater than or equal relation for handles gt (qrandstream) Greater than relation for handles haltonset isvalid
(qrandstream)
Construct Halton quasi-random point set Test handle validity
le (qrandstream) Less than or equal relation for handles length (qrandset) Length of point set
lt (qrandstream) Less than relation for handles
19
ndims (qrandset) Number of dimensions in matrix ne (qrandstream) Not equal relation for handles net (qrandset) notify
(qrandstream) qrand
(qrandstream) qrandset qrandstream reset
(qrandstream) scramble (qrandset) size (qrandset) sobolset
Generate quasi-random point set Notify listeners of event
Generate quasi-random points from stream Abstract quasi-random point set class Construct quasi-random number stream Reset state
Scramble quasi-random point set Number of dimensions in matrix
Construct Sobol quasi-random point set
rand (qrandstream) Generate quasi-random points from stream
Piecewise Distributions
boundary Piecewise distribution boundaries (piecewisedistribution) cdf Cumulative distribution function for piecewise (piecewisedistribution) distribution icdf Inverse cumulative distribution function for (piecewisedistribution) piecewise distribution lowerparams (paretotails)
Lower Pareto tails parameters
nsegments Number of segments (piecewisedistribution) paretotails
Construct Pareto tails object
pdf Probability density function for piecewise (piecewisedistribution) distribution piecewisedistribution Create piecewise distribution object random Random numbers from piecewise distribution (piecewisedistribution)
segment Segments containing values (piecewisedistribution) upperparams (paretotails)
Upper Pareto tails parameters
20
Hypothesis Tests
ansaribradley barttest canoncorr chi2gof dwtest friedman jbtest kruskalwallis kstest kstest2 lillietest linhyptest ranksum runstest sampsizepwr signrank signtest ttest ttest2 vartest vartest2 vartestn zscore ztest
Ansari-Bradley test Bartlett's test Canonical correlation
Chi-square goodness-of-fit test Durbin-Watson test Friedman's test Jarque-Bera test Kruskal-Wallis test
One-sample Kolmogorov-Smirnov test Two-sample Kolmogorov-Smirnov test Lilliefors test Linear hypothesis test Wilcoxon rank sum test Run test for randomness Sample size and power of test Wilcoxon signed rank test Sign test
One-sample and paired-sample t-test Two-sample t-test Chi-square variance test
Two-sample F-test for equal variances
Bartlett multiple-sample test for equal variances Standardized z-scores
z-test
Analysis of Variance
ANOVA Plots ANOVA Operations ANOVA Plots
anova1 aoctool
One-way analysis of variance Interactive analysis of covariance
21
manovacluster multcompare
Dendrogram of group mean clusters following MANOVA Multiple comparison test
ANOVA Operations
anova1 anova2 anovan aoctool dummyvar friedman kruskalwallis manova1 manovacluster multcompare
One-way analysis of variance Two-way analysis of variance
N-way analysis of variance
Interactive analysis of covariance Create dummy variables Friedman's test Kruskal-Wallis test
One-way multivariate analysis of variance
Dendrogram of group mean clusters following MANOVA Multiple comparison test
Parametric Regression Analysis
Regression Plots Linear Regression Nonlinear Regression Regression Plots
addedvarplot gline
lassoPlot lsline polytool rcoplot refcurve refline robustdemo rsmdemo rstool view
Added-variable plot
Interactively add line to plot Trace plot of lasso fit
Add least-squares line to scatter plot Interactive polynomial fitting Residual case order plot Add reference curve to plot Add reference line to plot Interactive robust regression
Interactive response surface demonstration Interactive response surface modeling Plot tree
22
(classregtree)
Linear Regression
coxphfit dummyvar glmfit glmval invpred lasso leverage mnrfit mnrval mvregress mvregresslike plsregress polyconf polytool regress regstats ridge robustdemo robustfit rsmdemo rstool stepwise stepwisefit x2fx
Cox proportional hazards regression Create dummy variables
Generalized linear model regression Generalized linear model values Inverse prediction
Regularized least-squares regression using lasso or elastic net algorithms Leverage
Multinomial logistic regression Multinomial logistic regression values Multivariate linear regression
Negative log-likelihood for multivariate regression Partial least-squares regression Polynomial confidence intervals Interactive polynomial fitting Multiple linear regression Regression diagnostics Ridge regression
Interactive robust regression Robust regression
Interactive response surface demonstration Interactive response surface modeling Interactive stepwise regression Stepwise regression
Convert predictor matrix to design matrix
Back to Top of Section
Nonlinear Regression
dummyvar hougen nlinfit
Create dummy variables Hougen-Watson model Nonlinear regression
23
nlintool nlmefit nlmefitsa nlparci nlpredci
Interactive nonlinear regression Nonlinear mixed-effects estimation
Fit nonlinear mixed effects model with stochastic EM algorithm
Nonlinear regression parameter confidence intervals Nonlinear regression prediction confidence intervals
Back to Top
Multivariate Methods
Multivariate Plots Multidimensional Scaling Procrustes Analysis Feature Selection Feature Transformation Multivariate Plots
andrewsplot biplot glyphplot parallelcoords
Andrews plot Biplot Glyph plot
Parallel coordinates plot
Multidimensional Scaling
cmdscale mahal mdscale pdist squareform
Classical multidimensional scaling Mahalanobis distance
Nonclassical multidimensional scaling Pairwise distance between pairs of objects Format distance matrix
Procrustes Analysis
procrustes
Procrustes analysis
24
Feature Selection
sequentialfs
Sequential feature selection
Feature Transformation
Nonnegative Matrix Factorization Principal Component Analysis Factor Analysis Nonnegative Matrix Factorization nnmf
Nonnegative matrix factorization
Principal Component Analysis barttest pareto pcacov pcares princomp Factor Analysis factoran
Factor analysis Bartlett's test Pareto chart
Principal component analysis on covariance matrix Residuals from principal component analysis Principal component analysis (PCA) on data
Cluster Analysis
Cluster Plots Hierarchical Clustering K-Means Clustering Gaussian Mixture Models Cluster Plots
dendrogram
Dendrogram plot
25
manovacluster silhouette
Dendrogram of group mean clusters following MANOVA Silhouette plot
Hierarchical Clustering
cluster clusterdata cophenet inconsistent linkage pdist squareform
Construct agglomerative clusters from linkages Agglomerative clusters from data Cophenetic correlation coefficient Inconsistency coefficient
Agglomerative hierarchical cluster tree Pairwise distance between pairs of objects Format distance matrix
K-Means Clustering
kmeans mahal
K-means clustering Mahalanobis distance
Gaussian Mixture Models
cdf Cumulative distribution function for Gaussian (gmdistribution) mixture distribution
cluster Construct clusters from Gaussian mixture (gmdistribution) distribution
fit Gaussian mixture parameter estimates (gmdistribution) gmdistribution
Construct Gaussian mixture distribution
mahal Mahalanobis distance to component means (gmdistribution)
pdf Probability density function for Gaussian mixture (gmdistribution) distribution
posterior Posterior probabilities of components (gmdistribution)
random Random numbers from Gaussian mixture distribution (gmdistribution)
Model Assessment
26
confusionmat crossval cvpartition repartition (cvpartition) training
(cvpartition)
Confusion matrix
Loss estimate using cross-validation Create cross-validation partition for data Repartition data for cross-validation
test (cvpartition) Test indices for cross-validation
Training indices for cross-validation
Parametric Classification
Discriminant Analysis Naive Bayes Classification Classification Plots Discriminant Analysis
ClassificationDiscriminant ClassificationPartitionedModel classify
Discriminant analysis classification
Cross-validated classification model
Discriminant analysis
compact Compact discriminant analysis (ClassificationDiscriminant) classifier
CompactClassificationDiscriminant Compact discriminant analysis class crossval
(ClassificationDiscriminant)
Cross-validated discriminant analysis classifier
edge Classification edge (CompactClassificationDiscriminant)
fit (ClassificationDiscriminant) Fit discriminant analysis
classifier kfoldEdge
(ClassificationPartitionedModel) kfoldfun
(ClassificationPartitionedModel) kfoldLoss
(ClassificationPartitionedModel) kfoldMargin
Classification edge for
observations not used for training Cross validate function
Classification loss for
observations not used for training Classification margins for
27
(ClassificationPartitionedModel) kfoldPredict
(ClassificationPartitionedModel)
observations not used for training Predict response for observations not used for training
loss Classification error (CompactClassificationDiscriminant)
mahal Mahalanobis distance to class means (CompactClassificationDiscriminant)
make (ClassificationDiscriminant) Construct discriminant analysis
classifier from parameters margin Classification margins (CompactClassificationDiscriminant)
predict Predict classification (CompactClassificationDiscriminant) resubEdge
(ClassificationDiscriminant) resubLoss
(ClassificationDiscriminant) resubMargin
(ClassificationDiscriminant) resubPredict
(ClassificationDiscriminant)
Classification edge by resubstitution
Classification error by resubstitution
Classification margins by resubstitution
Predict resubstitution response of classifier
Naive Bayes Classification
fit (NaiveBayes) Create Naive Bayes classifier object by fitting
training data NaiveBayes posterior (NaiveBayes) predict
(NaiveBayes)
Create NaiveBayes object
Compute posterior probability of each class for test data
Predict class label for test data
Classification Plots
perfcurve
Compute Receiver Operating Characteristic (ROC) curve or other performance curve for classifier output Plot tree
view
(classregtree)
28
Nonparametric Supervised Learning
Distance Computation and Nearest Neighbor Search
createns knnsearch
Create object to use in k-nearest neighbors search Find k-nearest neighbors using data
knnsearch Find k-nearest neighbors using ExhaustiveSearcher (ExhaustiveSearcher) object knnsearch
(KDTreeSearcher) pdist pdist2 rangesearch
Find k-nearest neighbors using KDTreeSearcher object
Pairwise distance between pairs of objects Pairwise distance between two sets of observations Find all neighbors within specified distance
rangesearch Find all neighbors within specified distance using (ExhaustiveSearcher) ExhaustiveSearcher object rangesearch
(KDTreeSearcher) relieff
Find all neighbors within specified distance using KDTreeSearcher object
Importance of attributes (predictors) using ReliefF algorithm
Classification Trees
catsplit (classregtree) children (classregtree) classcount (classregtree) ClassificationTree classname (classregtree) classprob (classregtree) classregtree classregtree
compact (ClassificationTree) CompactClassificationTree crossval (ClassificationTree)
Categorical splits used for branches in decision tree Child nodes Class counts
Binary decision tree for classification
Class names for classification decision tree Class probabilities
Classification and regression trees Construct classification and regression trees Compact tree
Compact classification tree Cross-validated decision tree
29
ClassificationPartitionedModel Cross-validated classification model
cutcategories (classregtree) cutpoint (classregtree) cuttype (classregtree) cutvar (classregtree) cvloss (ClassificationTree)
Cut categories
Decision tree cut point values Cut types
Cut variable names
Classification error by cross validation
Predicted responses Fit classification tree Test node for branch
edge (CompactClassificationTree) Classification edge eval (classregtree) fit (ClassificationTree) isbranch (classregtree)
kfoldEdge Classification edge for observations (ClassificationPartitionedModel) not used for training kfoldfun Cross validate function (ClassificationPartitionedModel)
kfoldLoss Classification loss for observations (ClassificationPartitionedModel) not used for training kfoldMargin Classification margins for (ClassificationPartitionedModel) observations not used for training kfoldPredict Predict response for observations not (ClassificationPartitionedModel) used for training loss (CompactClassificationTree) Classification error
margin Classification margins (CompactClassificationTree)
meansurrvarassoc (classregtree) Mean predictive measure of association
for surrogate splits in decision tree meanSurrVarAssoc
(CompactClassificationTree) nodeclass (classregtree) nodeerr (classregtree) nodeprob (classregtree) nodesize (classregtree) numnodes (classregtree) parent (classregtree) predict
(CompactClassificationTree) predictorImportance
(CompactClassificationTree) prune (ClassificationTree) prune (classregtree)
Mean predictive measure of association for surrogate splits in decision tree Class values of nodes of classification tree
Return vector of node errors Node probabilities Return node size Number of nodes Parent node
Predict classification
Estimates of predictor importance Produce sequence of subtrees by pruning Prune tree
30
growTrees (TreeBagger) kfoldfun
(RegressionPartitionedModel)
Train additional trees and add to ensemble
Cross validate function
kfoldLoss Cross-validation loss of partitioned (RegressionPartitionedEnsemble) regression ensemble kfoldPredict
(RegressionPartitionedModel) loss
(CompactRegressionEnsemble) mdsProx (CompactTreeBagger) mdsProx (TreeBagger)
Predict response for observations not used for training. Regression error
Multidimensional scaling of proximity matrix
Multidimensional scaling of proximity matrix
Out-of-bag error
Out-of-bag regression error
Predict out-of-bag response of ensemble Ensemble predictions for out-of-bag observations
Outlier measure for data Predict response of ensemble Predict response Predict response
Estimates of predictor importance
meanMargin (CompactTreeBagger) Mean classification margin oobError (TreeBagger) oobLoss
(RegressionBaggedEnsemble) oobPredict
(RegressionBaggedEnsemble) oobPredict (TreeBagger) outlierMeasure
(CompactTreeBagger)
predict
(CompactRegressionEnsemble) predict (CompactTreeBagger) predict (TreeBagger) predictorImportance
(CompactRegressionEnsemble) RegressionBaggedEnsemble
proximity (CompactTreeBagger) Proximity matrix for data
Regression ensemble grown by resampling
RegressionEnsemble Ensemble regression
RegressionPartitionedEnsemble Cross-validated regression ensemble regularize (RegressionEnsemble) Find weights to minimize resubstitution
error plus penalty term resubLoss (RegressionEnsemble) Regression error by resubstitution resubPredict
(RegressionEnsemble) resume (RegressionEnsemble)
Predict response of ensemble by resubstitution
Resume training ensemble
36
resume Resume training ensemble (RegressionPartitionedEnsemble) SetDefaultYfit
(CompactTreeBagger)
shrink (RegressionEnsemble) TreeBagger
Set default value for predict Prune ensemble
Bootstrap aggregation for ensemble of decision trees
Back to Top
Hidden Markov Models
hmmdecode hmmestimate hmmgenerate hmmtrain hmmviterbi
Hidden Markov model posterior state probabilities Hidden Markov model parameter estimates from emissions and states
Hidden Markov model states and emissions Hidden Markov model parameter estimates from emissions
Hidden Markov model most probable state path
Design of Experiments
DOE Plots Full Factorial Designs Fractional Factorial Designs Response Surface Designs D-Optimal Designs Latin Hypercube Designs Quasi-Random Designs DOE Plots
interactionplot maineffectsplot multivarichart
Interaction plot for grouped data Main effects plot for grouped data Multivari chart for grouped data
37
rsmdemo rstool
Interactive response surface demonstration Interactive response surface modeling
Full Factorial Designs
ff2n fullfact
Two-level full factorial design Full factorial design
Fractional Factorial Designs
fracfact fracfactgen
Fractional factorial design
Fractional factorial design generators
Response Surface Designs
bbdesign ccdesign
Box-Behnken design Central composite design
D-Optimal Designs
candexch candgen cordexch daugment dcovary rowexch rsmdemo
D-optimal design from candidate set using row exchanges
Candidate set generation Coordinate exchange
D-optimal augmentation
D-optimal design with fixed covariates Row exchange
Interactive response surface demonstration
Latin Hypercube Designs
lhsdesign lhsnorm
Latin hypercube sample
Latin hypercube sample from normal distribution
Quasi-Random Designs
addlistener
Add listener for event
38
(qrandstream) delete
(qrandstream) end (qrandset) findobj
(qrandstream) findprop
(qrandstream)
Delete handle object
Last index in indexing expression for point set Find objects matching specified conditions Find property of MATLAB handle object
eq (qrandstream) Test handle equality
ge (qrandstream) Greater than or equal relation for handles gt (qrandstream) Greater than relation for handles haltonset isvalid
(qrandstream)
Construct Halton quasi-random point set Test handle validity
le (qrandstream) Less than or equal relation for handles length (qrandset) Length of point set
lt (qrandstream) Less than relation for handles ndims (qrandset) Number of dimensions in matrix ne (qrandstream) Not equal relation for handles net (qrandset) notify
(qrandstream) qrand
(qrandstream) qrandset qrandstream reset
(qrandstream) scramble (qrandset) size (qrandset) sobolset
Generate quasi-random point set Notify listeners of event
Generate quasi-random points from stream Abstract quasi-random point set class Construct quasi-random number stream Reset state
Scramble quasi-random point set Number of dimensions in matrix
Construct Sobol quasi-random point set
rand (qrandstream) Generate quasi-random points from stream
Statistical Process Control
SPC Plots SPC Functions 39
SPC Plots
capaplot controlchart histfit normspec
SPC Functions
capability controlrules gagerr
GUIs
aoctool dfittool disttool fsurfht polytool randtool regstats robustdemo rsmdemo rstool surfht
Utilities
combnk perms statget statset zscore
Process capability plot Shewhart control charts Histogram with normal fit
Normal density plot between specifications
Process capability indices
Western Electric and Nelson control rules Gage repeatability and reproducibility study
Interactive analysis of covariance
Interactive distribution fitting
Interactive density and distribution plots Interactive contour plot Interactive polynomial fitting Interactive random number generation Regression diagnostics Interactive robust regression
Interactive response surface demonstration Interactive response surface modeling Interactive contour plot
Enumeration of combinations Enumeration of permutations
Access values in statistics options structure Create statistics options structure Standardized z-scores
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