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Matlab中统计分析函数

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2021-02-28 08:28
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2021年2月28日发(作者:晚安的英文)



Distributions.





Parameter estimation.






betafit






- Beta parameter estimation.






binofit






- Binomial parameter estimation.






dfittool





- Distribution fitting tool.






evfit








- Extreme value parameter estimation.






expfit







- Exponential parameter estimation.






fitdist






- Distribution fitting.






gamfit







- Gamma parameter estimation.






gevfit







- Generalized extreme value parameter estimation.






gmdistribution - Gaussian mixture model estimation.






gpfit








- Generalized Pareto parameter estimation.






lognfit






- Lognormal parameter estimation.






mle










- Maximum likelihood estimation (MLE).






mlecov







- Asymptotic covariance matrix of MLE.






nbinfit






- Negative binomial parameter estimation.






normfit






- Normal parameter estimation.






paretotails - Empirical cdf with generalized Pareto tails.






poissfit





- Poisson parameter estimation.






raylfit






- Rayleigh parameter estimation.






unifit







- Uniform parameter estimation.






wblfit







- Weibull parameter estimation.







Probability density functions (pdf).






betapdf






- Beta density.






binopdf






- Binomial density.






chi2pdf






- Chi square density.






evpdf








- Extreme value density.






exppdf







- Exponential density.






fpdf









- F density.






gampdf







- Gamma density.






geopdf







- Geometric density.






gevpdf







- Generalized extreme value density.






gppdf








- Generalized Pareto density.






hygepdf






- Hypergeometric density.






lognpdf






- Lognormal density.






mnpdf








- Multinomial probability density function.






mvnpdf







- Multivariate normal density.






mvtpdf







- Multivariate t density.






nbinpdf






- Negative binomial density.






ncfpdf







- Noncentral F density.






nctpdf







- Noncentral t density.






ncx2pdf






- Noncentral Chi-square density.






normpdf






- Normal (Gaussian) density.






pdf










- Density function for a specified distribution.






poisspdf





- Poisson density.






raylpdf






- Rayleigh density.






tpdf









- T density.






unidpdf






- Discrete uniform density.






unifpdf






- Uniform density.






wblpdf







- Weibull density.







Cumulative Distribution functions (cdf).







betacdf






- Beta cumulative distribution function.






binocdf






- Binomial cumulative distribution function.






cdf










- Specified cumulative distribution function.






chi2cdf






- Chi square cumulative distribution function.






ecdf









- Empirical cumulative distribution function (Kaplan-Meier estimate).






evcdf








- Extreme value cumulative distribution function.






expcdf







- Exponential cumulative distribution function.






fcdf









- F cumulative distribution function.






gamcdf







- Gamma cumulative distribution function.






geocdf







- Geometric cumulative distribution function.






gevcdf







- Generalized extreme value cumulative distribution function.






gpcdf








- Generalized Pareto cumulative distribution function.






hygecdf






- Hypergeometric cumulative distribution function.






logncdf






- Lognormal cumulative distribution function.






mvncdf







- Multivariate normal cumulative distribution function.






mvtcdf







- Multivariate t cumulative distribution function.






nbincdf






- Negative binomial cumulative distribution function.






ncfcdf







- Noncentral F cumulative distribution function.






nctcdf







- Noncentral t cumulative distribution function.






ncx2cdf






- Noncentral Chi-square cumulative distribution function.






normcdf






- Normal (Gaussian) cumulative distribution function.






poisscdf





- Poisson cumulative distribution function.






raylcdf






- Rayleigh cumulative distribution function.






tcdf









- T cumulative distribution function.






unidcdf






- Discrete uniform cumulative distribution function.






unifcdf






- Uniform cumulative distribution function.






wblcdf







- Weibull cumulative distribution function.







Critical Values of Distribution functions.






betainv






- Beta inverse cumulative distribution function.






binoinv






- Binomial inverse cumulative distribution function.






chi2inv






- Chi square inverse cumulative distribution function.






evinv








- Extreme value inverse cumulative distribution function.






expinv







- Exponential inverse cumulative distribution function.






finv









- F inverse cumulative distribution function.






gaminv







- Gamma inverse cumulative distribution function.






geoinv







- Geometric inverse cumulative distribution function.






gevinv







- Generalized extreme value inverse cumulative distribution function.






gpinv








- Generalized Pareto inverse cumulative distribution function.






hygeinv






- Hypergeometric inverse cumulative distribution function.






icdf









- Specified inverse cumulative distribution function.






logninv






- Lognormal inverse cumulative distribution function.






nbininv






- Negative binomial inverse distribution function.






ncfinv







- Noncentral F inverse cumulative distribution function.






nctinv







- Noncentral t inverse cumulative distribution function.






ncx2inv






- Noncentral Chi-square inverse distribution function.






norminv






- Normal (Gaussian) inverse cumulative distribution function.






poissinv





- Poisson inverse cumulative distribution function.






raylinv






- Rayleigh inverse cumulative distribution function.






tinv









- T inverse cumulative distribution function.






unidinv






- Discrete uniform inverse cumulative distribution function.






unifinv






- Uniform inverse cumulative distribution function.






wblinv







- Weibull inverse cumulative distribution function.







Random Number Generators.







betarnd






- Beta random numbers.






binornd






- Binomial random numbers.






chi2rnd






- Chi square random numbers.






evrnd








- Extreme value random numbers.






exprnd







- Exponential random numbers.






frnd









- F random numbers.






gamrnd







- Gamma random numbers.






geornd







- Geometric random numbers.






gevrnd







- Generalized extreme value random numbers.






gprnd








- Generalized Pareto inverse random numbers.






hygernd






- Hypergeometric random numbers.






iwishrnd





- Inverse Wishart random matrix.






johnsrnd





- Random numbers from the Johnson system of distributions.






lognrnd






- Lognormal random numbers.






mhsample





- Metropolis-Hastings algorithm.






mnrnd








- Multinomial random vectors.






mvnrnd







- Multivariate normal random vectors.






mvtrnd







- Multivariate t random vectors.






nbinrnd






- Negative binomial random numbers.






ncfrnd







- Noncentral F random numbers.






nctrnd







- Noncentral t random numbers.






ncx2rnd






- Noncentral Chi-square random numbers.






normrnd






- Normal (Gaussian) random numbers.






pearsrnd





- Random numbers from the Pearson system of distributions.






poissrnd





- Poisson random numbers.






randg








- Gamma random numbers (unit scale).






random







- Random numbers from specified distribution.






randsample



- Random sample from finite population.






raylrnd






- Rayleigh random numbers.






slicesample - Slice sampling method.






trnd









- T random numbers.






unidrnd






- Discrete uniform random numbers.






unifrnd






- Uniform random numbers.






wblrnd







- Weibull random numbers.






wishrnd






- Wishart random matrix.







Quasi-Random Number Generators.






haltonset




- Halton sequence point set.













qrandstream - Quasi-random stream.






sobolset





- Sobol sequence point set.







Statistics.






betastat





- Beta mean and variance.






binostat





- Binomial mean and variance.






chi2stat





- Chi square mean and variance.






evstat







- Extreme value mean and variance.






expstat






- Exponential mean and variance.






fstat








- F mean and variance.






gamstat






- Gamma mean and variance.






geostat






- Geometric mean and variance.






gevstat






- Generalized extreme value mean and variance.






gpstat







- Generalized Pareto inverse mean and variance.






hygestat





- Hypergeometric mean and variance.






lognstat





- Lognormal mean and variance.






nbinstat





- Negative binomial mean and variance.






ncfstat






- Noncentral F mean and variance.






nctstat






- Noncentral t mean and variance.






ncx2stat





- Noncentral Chi-square mean and variance.






normstat





- Normal (Gaussian) mean and variance.






poisstat





- Poisson mean and variance.






raylstat





- Rayleigh mean and variance.






tstat








- T mean and variance.






unidstat





- Discrete uniform mean and variance.






unifstat





- Uniform mean and variance.






wblstat






- Weibull mean and variance.







Likelihood functions.






betalike





- Negative beta log- likelihood.






evlike







- Negative extreme value log- likelihood.






explike






- Negative exponential log-likelihood.






gamlike






- Negative gamma log-likelihood.






gevlike






- Generalized extreme value log- likelihood.






gplike







- Generalized Pareto inverse log- likelihood.






lognlike





- Negative lognormal log-likelihood.






nbinlike





- Negative binomial log-likelihood.






normlike





- Negative normal likelihood.






wbllike






- Negative Weibull log-likelihood.







Probability distribution objects.







ProbDistUnivKernel - Univariate kernel smoothing distributions.






ProbDistUnivParam



- Univariate parametric distributions.






Descriptive Statistics.






bootci







- Bootstrap confidence intervals.






bootstrp





- Bootstrap statistics.






corr









- Linear or rank correlation coefficient.






corrcoef





- Linear correlation coefficient (in MATLAB toolbox).






cov










- Covariance (in MA


TLAB toolbox).






crosstab





- Cross tabulation.






geomean






- Geometric mean.






grpstats





- Summary statistics by group.






harmmean





- Harmonic mean.






iqr










- Interquartile range.






jackknife




- Jackknife statistics.






kurtosis





- Kurtosis.






mad










- Median Absolute Deviation.






mean









- Sample average (in MA


TLAB toolbox).






median







- 50th percentile of a sample (in MATLAB toolbox).






mode









- Mode, or most frequent value in a sample (in MATLAB toolbox).






moment







- Moments of a sample.






nancov







- Covariance matrix ignoring NaNs.






nanmax







- Maximum ignoring NaNs.






nanmean






- Mean ignoring NaNs.






nanmedian




- Median ignoring NaNs.






nanmin







- Minimum ignoring NaNs.






nanstd







- Standard deviation ignoring NaNs.






nansum







- Sum ignoring NaNs.






nanvar







- Variance ignoring NaNs.






partialcorr - Linear or rank partial correlation coefficient.






prctile






- Percentiles.






quantile





- Quantiles.






range








- Range.

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