Thanks Alan. What is the best approach, in your opinion, to learning the syntax for these types of expressions? Again, I wholly relied upon the GUI in SPSS. I did take a look at the PSPP manual, but did not immediate see examples of the structure of the syntax.
Thanks, Allen On Thu, Jan 19, 2017 at 12:00 PM, <pspp-users-requ...@gnu.org> wrote: > Send Pspp-users mailing list submissions to > pspp-users@gnu.org > > To subscribe or unsubscribe via the World Wide Web, visit > https://lists.gnu.org/mailman/listinfo/pspp-users > or, via email, send a message with subject or body 'help' to > pspp-users-requ...@gnu.org > > You can reach the person managing the list at > pspp-users-ow...@gnu.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Pspp-users digest..." > > Today's Topics: > > 1. Re: Selecting cases using the "IF" Function (Alan Mead) > > > ---------- Forwarded message ---------- > From: Alan Mead <ame...@alanmead.org> > To: pspp-users@gnu.org > Cc: > Date: Wed, 18 Jan 2017 11:10:03 -0600 > Subject: Re: Selecting cases using the "IF" Function > As Dr. Water says, syntax is a solution. The steps would be to (1) paste > the desired analysis and then (2) edit the syntax to insert the "IF" > statement above it. > > You also need to decide if you want to "permanently" delete the > non-selected cases or not. If I have a long series of analyses, I might > select cases (say valid cases) and save them (or use a filter). But > Hollenbach describes analyzing subsets of the dataset and in that case I > often find the temporary command to be helpful. The syntax for *each > analysis* would look like this: > > temporary. > select if( region = 1 or (region=1 and id=3)). > freq ... > > You would highlight all three statements and run them. The "temporary" > command causes the selection to be in effect only for the next analysis. > You repeat the "temporary" and "select if" for each analysis (or, again, > use a filter). > > BTW, I honestly think just typing the syntax of the "select if" is easier > than using the GUI. > > -Alan > > > On 1/18/2017 9:53 AM, Aj Hollenbach wrote: > > Hi PSPP Users, > > I am transitioning from SPSS to PSPP and am having some troubles with case > selection. Specifically, under SPSS, I used to be able to select cases > using a radio button in the Data / Select Cases dialogue box that stated > "Select if condition is satisfied...". However, under PSPP, I have found > that this option is not available, and that you can only select cases based > upon (1) a random sample, (2) case range, or (3) a filter variable. In > other words, there is no option for using the IF function for selection > purposes. I am attaching screenshots from both programs. > > I greatly appreciate any advice that others might have on how to best make > a selection of cases using a conditional IF statement. In short, I am > running analysis of household survey data, but only want to use data from a > handful of the administrative jurisdictions (provinces) within the larger > data set. > > Regards, > Allen > > PS: I am running GNU pspp 0.10.1-g1082b8 > > > -- > > Alan D. Mead, Ph.D. > President, Talent Algorithms Inc. > > science + technology = better workers > http://www.alanmead.org > > > _______________________________________________ > Pspp-users mailing list > Pspp-users@gnu.org > https://lists.gnu.org/mailman/listinfo/pspp-users > >
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