One of my favorite R packages is one called RATTLE. These can give you graphic, geospatial and even data mining capabilities. This free program, downloaded from the “CRAN” servers located all over the world can give you a program that is not only highly usable but also extremely flexible because of the different “packages” that can be installed from the servers. Much like Excel, the spreadsheet portion of OpenOffice performs almost all the basic statistical analysis of data that you might want to evaluate. Open Office can help you perform some very elementary data analysis such as statistical mean, median and standard deviation. You can also make recommendations for further enhancements to the programs. You may have to struggle a little with these free programs, but you have plenty of communities and developers available to help. Remember one thing as we continue with this article – free does not necessarily mean intuitive. OpenOffice’s spreadsheet program is much like Microsoft Excel, although without the price.
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