Re: NPAR TESTS

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On Sat, Mar 27, 2004 at 12:12:39PM -0400, Michael Kiefte wrote:

    =20
     As for division of labour, we should make some decisions. I'm
     keen to do just  about anything. I still haven't figured out the
     SPSS syntax or    the calling  structure in PSPP, so I'm sure to
     run into a lot of problems that  I'll need  help with.  Keep that
     in mind if you want to assign anything to me. =20

OK.   Why don't I `assign' you the NPAR command.  That will mean I can
get on with ONEWAY which is a logical progression from T-TEST which
I've just completed.

As for the PSPP structure, I found that Ben's code is very well
structured and it was quite easy for me to find out how things worked
when I needed to.  I can offer you the following implementation tips:

I suggest that you do things in this order:

 1. Write the parser.

 2. Write the output subroutines, just leaving the values blank.

 3. Write the calculation routines and go back and fill in the values
    in 2.


* When doing (2.) remember to use variable and value labels if they have
  been set.

* When doing (3.) don't forget to correctly consider a) weights and b)
  missing values.


The final step is=20

 4. Add as many test cases as you think necessary in test/command/*.sh


I think the easiest way to get started is to take an existing command
and use it as an example.


Ben:  Should Michael take care of the necessary FSF paperwork before
starting this?

J'


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