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Please note that the recommended version of Scilab is 2025.0.0. This page might be outdated.
See the recommended documentation of this function

Ajuda do Scilab >> Estatística

Estatística

• Cumulated Distribution Functions
  • binomial — probabilidades de distribuição binomial
  • cdfbet — cumulative distribution function Beta distribution
  • cdfbin — cumulative distribution function Binomial distribution
  • cdfchi — cumulative distribution function chi-square distribution
  • cdfchn — cumulative distribution function non-central chi-square distribution
  • cdff — cumulative distribution function Fisher distribution
  • cdffnc — cumulative distribution function non-central f-distribution
  • cdfgam — cumulative distribution function gamma distribution
  • cdfnbn — cumulative distribution function negative binomial distribution
  • cdfnor — cumulative distribution function normal distribution
  • cdfpoi — cumulative distribution function poisson distribution
  • cdft — cumulative distribution function Student's T distribution
• Mean Central Tendency
  • center — center
  • geomean — geometric mean
  • harmean — harmonic mean : inverse of the inverses average (without zeros)
  • mean — mean (row mean, column mean) of vector/matrix entries
  • meanf — weighted mean of a vector or a matrix
  • median — median (row median, column median,...) of vector/matrix/array entries
  • trimmean — trimmed mean of a vector or a matrix
  • wcenter — center and weight
• Dispersion widths
  • iqr — interquartile range
  • mad — mean absolute deviation
  • stdev — standard deviation (row or column-wise) of vector/matrix entries
  • stdevf — standard deviation
  • strange — range
  • variance — variance (and mean) of a vector or matrix (or hypermatrix) of real or complex numbers
  • variancef — variance (and mean) of a vector or matrix of frequency-weighted real or complex numbers
• Empirical distribution
  • cmoment — central moments of all orders
  • histc — computes the histogram of a simple series of data
  • moment — non central moments of all orders
  • perctl — computation of percentils
  • quart — computation of quartiles
  • tabul — frequency of values of a matrix or vector
• Multivariate Correl Regress PCA
  • correl — correlation of two variables
  • cov — Sample covariance matrix
  • covar — covariance of two variables
  • pca — Computes principal components analysis with standardized variables
  • princomp — Principal components analysis
  • reglin — Linear regression
  • show_pca — Visualization of principal components analysis results
• Sampling
  • sample — Sampling with replacement
  • samplef — sample values with replacement from a population with given frequencies.
  • samwr — Sampling without replacement
• Data with Missing Values
  • nancumsum — This function returns the cumulative sum of the values of a matrix
  • nand2mean — difference of the means of two independent samples
  • 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
  • nanreglin — Linear regression
  • nanstdev — standard deviation (ignoring the NANs).
  • nansum — Sum of values ignoring NAN's
  • thrownan — Eliminates nan values
• Hypothesis Testing
  • ftest — Fisher ratio
  • ftuneq — Fisher ratio for samples of unequal size.

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