![]() ![]() The PSPP project (originally called "Fiasco") was born at the end of the 1990s as a free software replacement for SPSS, which is a data management and analysis tool, at the time produced by SPSS Inc. Some of the libraries used by PSPP can be accessed programmatically PSPP-Perl provides an interface to the libraries used by PSPP. ![]() It can export files in the SPSS 'portable' and 'system' file formats and to ASCII files. PSPP can import Gnumeric and OpenDocument spreadsheets, Postgres databases, comma-separated values and ASCII files. ![]() A range of statistical graphs can be produced, such as histograms, pie-charts, scree plots, and np-charts. This software provides a comprehensive set of capabilities including frequencies, cross-tabs comparison of means ( t-tests and one-way ANOVA), linear regression, logistic regression, reliability ( Cronbach's alpha, not failure or Weibull), and re-ordering data, non-parametric tests, factor analysis, cluster analysis, principal components analysis, chi-square analysis and more.Īt the user's choice, statistical output and graphics are available in ASCII, PDF, PostScript, SVG or HTML formats. ![]()
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