Cheap or free statistics software to do the basic stuff

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For basic data analysis tasks like ANOVA, regression, and factor analysis, R is a leading free statistical software option, well-documented and widely used, though it has a learning curve. R allows for easy data entry from CSV files with variable names in the header. Julia is another alternative that can work alongside R. AMOS is mentioned as a potential option, but it is an extension for SPSS rather than a standalone program. While AMOS offers a free 15-day trial, it is not free after that period.
Adel Makram
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I am looking for a software that enable me to do the basic data analysis like ANOVA, regression, factor analysis and to do nice graphing. I need something similar to SPSS with data entry in the form of variables no coding input like SAS.
 
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Probably the leader in free statistical packages is R. It is well established and documented and is widely used. There is a learning curve. I'm not sure what you mean about the data entry. It is fairly easy to read a CSV file with variable names coming from the first line header in the CSV file.
 
An alternative to R is Julia which can also interoperable with R.

Www.julialang.org
 
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I haven't used it but I think that AMOS is an extension to be used with SPSS; not stand-alone. There is a free download for a 15-day trial, but after that expires it is not free.
 

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