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Scilab Help >> Statistics

Statistics

  • Cumulated Distribution Functions
    • binomialbinomial distribution probabilities
    • 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)
    • nanmeanmean (ignoring Nan's)
    • nanmeanfmean (ignoring Nan's) with a given frequency.
    • nanmedianmedian of the values of a numerical vector or matrix
    • nanminmin (ignoring Nan's)
    • 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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    Last updated:
    Tue Feb 14 15:02:49 CET 2017