Partie XXXV. Statistiques

Table des matières

cdfbet — fonction de répartition de la distribution Beta

cdfbin — fonction de répartition de la distribution binomiale

cdfchi — fonction de répartition de la distribution du chi-deux

cdfchn — fonction de répartition de la distribution du chi-deux non centrée

cdff — fonction de répartition de la distribution de Fisher

cdffnc — fonction de répartition de la distribution de Fisher non centrée

cdfgam — fonction de répartition de la distribution gamma

cdfnbn — fonction de répartition de la distribution binomiale négative

cdfnor — fonction de répartition de la distribution normale

cdfpoi — fonction de répartition de la distribution de Poisson

cdft — fonction de répartition de la distribution de Student

median — médiane des termes d'une matrice

st_deviation — écart-type des termes d'une matrice — écart-type des termes d'une matrice

center — center

wcenter — center and weight

cmoment — central moments of all orders

correl — correlation of two variables

covar — covariance of two variables

ftest — Fischer ratio

ftuneq — Fischer ratio for samples of unequal size.

geomean — geometric mean

harmean — harmonic mean

iqr — interquartile range

labostat — Statistical toolbox for Scilab

mad — mean absolute deviation

mean — mean (row mean, column mean) of vector/matrix entries

meanf — weighted mean of a vector or a matrix

moment — non central moments of all orders

msd — mean squared deviation

mvvacov — computes variance-covariance matrix

nancumsum — Thos function returns the cumulative sum of the values of a matrix

nand2mean — difference of the means of two independent samples

nanmax — max (ignoring Nan's)

nanmean — mean (ignoring Nan's)

nanmeanf — mean (ignoring Nan's) with a given frequency.

nanmedian — median of the values of a numerical vector or matrix

nanmin — min (ignoring Nan's)

nanstdev — standard deviation (ignoring the NANs).

nansum — Sum of values ignoring NAN's

nfreq — frequence of the values in a vector or matrix

pca — Computes principal components analysis with standardized variables

perctl — computation of percentils

princomp — Principal components analysis

quart — computation of quartiles

regress — regression coefficients of two variables

sample — Sampling with replacement

samplef — sample with replacement from a population and frequences of his values.

samwr — Sampling without replacement

show_pca — Visualization of principal components analysis results

stdevf — standard deviation

strange — range

tabul — frequency of values of a matrix or vector

thrownan — eliminates nan values

trimmean — trimmed mean of a vector or a matrix

variance — variance of the values of a vector or matrix

variancef — standard deviation of the values of a vector or matrix