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Re: I need some help

From: Alan Mead
Subject: Re: I need some help
Date: Wed, 19 Feb 2020 08:56:52 -0600
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.4.2

I don't know if PSPP (or SPSS) can do Pareto Diagrams. So, maybe PSPP
isn't the tool you need.

But PSPP has (I think) the same capabilities of combining data as SPSS,
but I think you do need to use syntax. This page describes the commands
to combine data files. There's a command to stack files/add cases (ADD
FILES) and a command to merge files/add variables (MATCH FILES). If you
click on the link for your choice at the bottom, you'll see the syntax.

You would click "New Syntax" and type the commands there and then click
run, but if you describe what you're trying to do, we can give you
additional advice. For example, you'll need to sort on the matching

If I had files 'test1.sav' and 'test2.sav' with matching variable
'index' I would type:

* sort file 1 by match variable.
get /file='test1.sav'.
sort cases by index.
save /outfile'test1.sav'.

* sort file 2 by match variable.
get /file='test2.sav'.
sort cases by index.
save /outfile'test2.sav'.

match files file='test1.sav'
  /by index

The number one pain I experience in combining data (using PSS or PSPP)
is when the same variable has a different data type across files. This
is extremely common with string variables. Number two is duplicate


On 2/19/2020 3:55 AM, Domingo J Rubira López wrote:
> Sorry for this mail. I am sure I am not sending to the right place nor in
> the right way.
> Recently I have started to use PSPP in my Windows System and I can't do
> things I am sure they can be done. Things as Pareto Diagram or combining
> data files.
> In manual I can see them, but I don't really know how to do it or where I
> must write
> orders.
> I would be very pleasant if any of you can help me.
> Thank you a lot and sorry again.


Alan D. Mead, Ph.D.
President, Talent Algorithms Inc.

science + technology = better workers

Mutiny Acts are needed only by officers who command without
authority.  Divine right needs no whip.

-- Shaw, from "Maxims for Revolutionists"

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