Free statistical software: Difference between revisions

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m Limitations of packages: took out reference to winidams. It's no longer available
Command driven packages: took out example that used winidams. That program is no longer available. May use an example from some other program, or may just delete this section.
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===Command driven packages===
A few programs, like WinIDAMS, need commands for many of their procedures. WinIDAMS does have an interactive menu to read in data, but then specific statistical procedures need a set of text commands. For example, the text command lines for frequencies look like this:
 
:$COMMENT basic freqs of testing data
:$RUN TABLES
:$FILES
:DICTIN = PD_data_idams.dic
:DATAIN = PD_data_idams.dat
:$SETUP
:FREQUENCY TABLES
:PRINT=(CDICT)
:TABLES
:ROWVARS=(V21) CELLS=(ROWP,FREQS)
 
This set of commands identifies procedure (tables), the data set and dictionary (PD_data_idams.dat and dic) and the variables. The procedures all have various options outlined in the manuals.
 
R can be used both in a menu-driven way and as a programming language and as an interpreter.