SPSS is the most commonly used program for performing statistical analyses. This programme, that in 2009 by IBM is taken over, is a component of IBM Business Analytics. This portfolio of SPSS programs offers professional support at each stage in the analysis process. Unfortunately you must have for this software will pay for.
PSPP wants a free and open source alternative to SPSS.
PSPP is an open source program for statistical analysis. It offers a free alternative to the paid SPSS software from IBM. The software may include descriptive statistics, linear regression, T-tests and non-parametric tests.
It is possible to Excel, Gnumeric, Postgres databases, OpenDocument Spreadsheets, and ASCII files in PSPP to import.
This open source program is not as extensive and comprehensive as the commercial software from IBM. It will, therefore, not an adequate alternative, but since it's free it can't hurt to give it a try.
PSPP has the following characteristics:
You can free download PSPP and safe install the latest trial or new full version for Windows 10 (x32, 64 bit) from the official site.