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Справка Scilab >> Statistics

### Statistics

• cdf
• binomialвероятности по биномиальному распределению
• cdfbetcumulative distribution function Beta distribution
• cdfbincumulative distribution function Binomial distribution
• cdfchicumulative distribution function chi-square distribution
• cdfchncumulative distribution function non-central chi-square distribution
• cdffcumulative distribution function Fisher distribution
• cdffnccumulative distribution function non-central f-distribution
• cdfgamcumulative distribution function gamma distribution
• cdfnbncumulative distribution function negative binomial distribution
• cdfnorcumulative distribution function normal distribution
• cdfpoicumulative distribution function poisson distribution
• cdftcumulative distribution function Student's T distribution
• Central Tendency
• geomeangeometric mean
• harmeanharmonic mean : inverse of the inverses average (without zeros)
• meanmean (row mean, column mean) of vector/matrix entries
• meanfweighted mean of a vector or a matrix
• trimmeantrimmed mean of a vector or a matrix
• Data with Missing Values
• nancumsumThis function returns the cumulative sum of the values of a matrix
• nand2meandifference of the means of two independent samples
• nanmaxmax (ignoring Nan's) This function is obsolete, replaced with max
• nanmeanmean (ignoring Nan's)
• nanmeanfmean (ignoring Nan's) with a given frequency.
• nanmedianmedian of the values of a numerical vector or matrix
• nanmin (Obsolete)min (ignoring Nan's) This function is obsolete, replaced with min
• nanreglinLinear regression
• nanstdevstandard deviation (ignoring the NANs).
• nansumSum of values ignoring NAN's
• thrownanEliminates nan values
• Descriptive Statistics
• centercenter
• correlcorrelation of two variables
• covCovariance matrix
• covarcovariance of two variables
• histccomputes an histogram
• medianmedian (row median, column median,...) of vector/matrix/array entries
• stdevstandard deviation (row orcolumn-wise) of vector/matrix entries
• stdevfstandard deviation
• variancevariance (and mean) of a vector or matrix (or hypermatrix) of real or complex numbers
• variancefvariance (and mean) of a vector or matrix of frequency-weighted real or complex numbers
• wcentercenter and weight
• Hypothesis Testing
• ftestFisher ratio
• ftuneqFisher ratio for samples of unequal size.
• Measures of Dispersion
• iqrinterquartile range
• madmean absolute deviation
• strangerange
• Measures of Shape
• cmomentcentral moments of all orders
• momentnon central moments of all orders
• perctlcomputation of percentils
• quartcomputation of quartiles
• Principal Component Analysis
• pcaComputes principal components analysis with standardized variables
• princompPrincipal components analysis
• show_pcaVisualization of principal components analysis results
• Regression
• Sampling
• sampleSampling with replacement
• samplefsample values with replacement from a population with given frequencies.
• samwrSampling without replacement
• Summaries
• tabulfrequency of values of a matrix or vector
• reglinLinear regression
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