Thanks! I think I understand now.
On Sun, Feb 21, 2016 at 11:33 PM, <fhouwel...@email.it> wrote: > > DATASET NAME file1. > GET 'aggr7.sav'. > DATASET DISPLAY. > > Dataset Display > > > Datasets > | ------------ | > | (unnamed)(a) | > | ------------ | > a Active dataset > > > > > ----- Messaggio originale ----- > Da: "Ben Pfaff" <b...@cs.stanford.edu> > A: "Frans Houweling" <fhouwel...@email.it> > Cc: pspp-users@gnu.org > Inviato: Lunedì, 22 febbraio 2016 2:05:34 > Oggetto: Re: dataset experiments > > On Sun, Feb 21, 2016 at 10:47:16PM +0100, Frans Houweling wrote: > > >Experiment #1 ------------- Start up SPSS. Then, before you define any > > >variables or open any data files, Run a DATASET NAME command, like this: > > >DATASET NAME myfile. Does SPSS accept this or give an error and, if it > > >gives an error, what is it? > > SPSS 14 accepts this and displays "Untitled1 [myfile]" in the data > editor. > > OK, I did not expect that. I had the impression that a dataset had to > have some content before it really existed and could be named. > > > >Experiment #2 ------------- Start up SPSS. Then, before you do anything > > >else, run a syntax file like this: > > >GET 'file1.sav'. > > >DATASET NAME file1. > > >DATASET DISPLAY. > > >GET 'file2.sav'. > > >DATASET DISPLAY. > > > > GET 'aggr7.sav'. > > DATASET NAME file1. > > DATASET display. > > > > Dataset Display > > > > Datasets > > | -------- | > > | file1(a) | > > | -------- | > > a Active dataset > > > > GET 'aggr8.sav'. > > DATASET DISPLAY. > > > > Dataset Display > > > > Datasets > > | ------------ | > > | file1 | > > | ------------ | > > | (unnamed)(a) | > > | ------------ | > > a Active dataset > > OK, experiment #2 indicates that doing a GET creates a new unnamed > dataset, instead of replacing the current dataset. The documentation > sort of implies that, but it is not very clear. > > > > How about experiment #3, then, to clarify what happens to an empty > dataset when GET executes, like this: > > Experiment #3 > ------------- > > Start up SPSS. Then, before you do anything else, run a syntax file like > this: > > DATASET NAME file1. > GET 'file1.sav'. > DATASET DISPLAY. > > > Thanks again! >
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