EstaPlus: A Free Statistical Software

EstaPlus is a free statistical software -freeware- focused on descriptive statistics developed by Alejandro Vergara Massa that can analyze and plot using data distributed in one-dimensional or two-dimensional variables, in discreet or continuous mode.

The following are its main features:

  • Lots of data formats
    • One-dimensional or two-dimensional variables
    • Discreet (grouped in intervals) or continuous variables
    • Quantitative and qualitative data
    • Introduction of tabular or not tabular data
  • Storage features
    • Save and print data tables
    • Save and print analysis reports
    • Import tables from spreadsheets (using Tabulator Delimited Spreadsheet format)
  • Edition features
    • Automatic error checking during data introduction
    • Automatic filling of data tables
    • Full control of the edition of data tables
  • Detailed analysis of data table
    • Measures of central tendency
    • Characteristic of dispersion
    • Characteristic of form
    • Identification of outliers
    • Functional dependence
    • Analysis of regression
    • Measures of statistical dependence
    • Analysis of percentiles
    • Analysis of moments
  • Plots
    • Box and whisker
    • Spread
  • Other features
    • On line help that includes definitions of statistical formulas
    • Probability wizard
    • Windows and Linux PC editions

It requires Windows 98, ME, NT 4, 2000, XP and upper. It can work with Windows 95 with the appropriate libraries. Minimum resolution of 800×600.

To install this version, simply run the downloaded file.

EstaPlus V2.2.1 for Linux (620 KB)

It requires a distribution based on RedHat 6.2 for x86 and upper, like RedHat 7.1 or Mandrake 8.0. It can work with other distributions.

To install this version, expand the downloaded file in a temporary directory. Once expanded, run from this directory ./install

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