For procedures where it is practical, we wish to efficiently support data sets many times larger than physical memory. � Efficient support for very large data sets. Currently the PSPP manual describes its language completely, but we would like to add information on how to select statistical procedures and interpret their results. We will enhance PSPP's output formatting in the future. PSPP currently produces output in ASCII, PostScript, and HTML formats. � Attractive output, including graphs, in a variety of human and machine-readable formats. � Friendly textual and graphical interfaces. We also provide an "enhanced" mode in certain cases where PSPP can output better results that may surprise SPSS users. � Compatibility with SPSS syntax, including compatibility with known bugs and warts, where it makes sense. Currently, statistical support is limited, but growing. � All the statistical procedures that someone is willing to implement, whether they exist in SPSS or not. PSPP already supports a large subset of it. � All of the SPSS transformation language. The long term goals for PSPP are ambitious. The project interprets commands in the SPSS language and produces tabular output in ASCII, HTML, or PostScript format. PSPP is a tool for statistical analysis of sampled data.
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