SOFA : Free Open source SPSS alternative for Windows , Linux and Mac OS X
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SOFA : Open source , user friendly statistical software designed for statistics , data analysis , and reporting . It became very popular , as its easy to install , on different platforms ” Windows , Linux and Mac OS X ” , has very simple to advanced tutorials and easy to read and learn user guide .
Importing and Compatibility :
One of the most useful feature i count ” as a developer ” its database friendly , as it can import data from many database engines such as ” MySQL , MS Access , SQLite , PostgreSQL , MS SQL server ” as it plans to go for oracle as well . Importing as not just from database engines but it also can import from Office documents either , MS Excel or OpenOffice Calc .
Output : SOFA : can do outputs in simple HTML file so it can be used for internet or website or even in spreadsheet file , it produces colorful outputs of many types of graphs such as bar charts , pie charts , line charts single or multi-pule ”
Available Tests :
- Row and column percentages, with the ability to nest variables e.g look at Ethnicity and Gender vs Age
- Mean
- Median
- Standard Deviation
- Sum
- N items
- Min
- Max
- Range
- Pearson’s Chi-Square with Contingency Tables
- Independent samples t-test
- Paired samples t-test
- One-way ANOVA
- Mann Whitney U
- Wilcoxon Signed Ranks
- Kruskal Wallis H
- Pearson’s Correlation
- Spearman’s Correlation
Developer`s note : Sofa is built up with Python and requires several other libraries to work :
- numpy – this provides numerical processing
- pysqlite – this lets SOFA connect to SQLite databases
- pywin32 – this lets SOFA connect to MS Access and Excel
- wxPython – this provides the interface for SOFA
- comtypes – needed for internal web display
- MySQL-python – lets python connect to MySQL databases
License : Affero GNU Public License .
Download : Linux : Debian / Ubuntu package is listed , and for non debian based distros the linux package is available in *.tar.gz package . Windows and Mac OS X , binaries are also available in the download section . Links :
- Sourceforge SOFA Statistics Page : http://sourceforge.net/projects/sofastatistics/
- Google Group : http://groups.google.com/group/sofastatistics?pli=1
- Lunchpad : https://launchpad.net/sofastatistics/

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