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Statistical toolbox for Scilab
centre: centering variables centrered: centering and reducing variables cmoment: central moments of all orders correl: correlation covar: covariance ftest: fischer test and his p-value geomean: geometric mean harmean: harmonic mean iqr: interquartile range mad: mean absolute deviation meanf: arithmetic mean of a vector or matrix with a table of frequences median: 50th percentile of a sample mn: arithmetic mean of a vector or matrix moment: moments of all orders msd: mean squared deviation mvvacov : multivariable matrix of variance-covariance nand2mean: estimate of the difference of means of two independent samples nanmax: maximum ignoring NaNs nanmean: mean ignoring NaNs nanmeanf: mean with frequency table ignoring NaNs nanmedian: 50th percentile of a sample ignoring NaNs nanmin: minimum ignoring NANs nanstdev: standard deviation ignoring NaNs nanstdevf: standard deviation with frequency table ignoring NaNs nansum: sum ignoring NaNs nfreq: frequency of the values of a sample pca: principal component analysys pctl: vector of percentiles of a sample in decreasing order perctl: vector of percentiles of a sample in decreasing order quart: quartils stdev: standard deviation stdevf: standard deviation with frequences strange: distance between largest and smallest value tabul: frequences of values var: variance varf: variance with frequence table
Wonacott, T.H. & Wonacott, R.J.; Introductory Statistics, 5th edition, J.Wiley & Sons, 1990.
Saporta, Gilbert, Probabilites, Analyse des Donnees et Statistique, Editions Technip, Paris, 1990.
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