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Re: Using pspp
Re: Using pspp
Tue, 27 Oct 2009 18:40:44 +0000
On Tue, Oct 27, 2009 at 10:18:18AM -0500, Leonard Evens wrote:
I have been using pspp from the gui version psppire. I am running
version 0.6.1 under Fedora 11. (The package is pspp-0.6.1-3.fc11.i586.)
But I am unclear about some things.
1> Is it possible to delete variables? How about entries?
Yes and yes. Right click on the row/column concerned and choose "Clear"
from the popup menu. Alternatively select the row/column and from the Edit
menu choose the Clear item.
2> I've been running descriptive statistics for frequencies and
crosstabs. But I have to copy what is in the output window each time
and paste it into a text file using gedit. Is there some way using
psppire to put the output in a file?
The output is by default put into a file called "psppire.txt".
Is there some way to control the
format of the output? It often divides a cross tabulation table into
separate sub-tables, as might be required to continue on the next page,
and I then have to merge by deleting extra lines in gedit.
Not from the GUI. It's possible from the command line interface. See the
section of the manual entitled "Output devices".
Is there some way to show the details of how a recoded variable was
I'm not sure that I understand this question. There is a record of all commands
run in pspp.jnl if that helps.
3> Supposedly pspp can produce graphs of various kinds, e.g.,
histograms. Is this only possible by running pspp in a terminal window
at the command line?
Well you can also do it by running the commands in the GUI's syntax window.
However the problem is, that version 0.6.x doesn't have any way to actually
display the graphs. This is currently being addressed - if you're prepared
to build the "output" branch from the git repository, then you can see what
progress has been made so far.
4> I have split the data on the values of a certain variable and then
run crosstabs on different pairs of variables. Some of these variables
are recodings into new variables of other variables. (The split is done
on the basis of one of these recoded variables.) There appears to be
some sort of bug. Namely, in some cases, perhaps only in cases of
recoded variables, the reported number of missing values is wrong in one
of the two sets produced by the split. In the errant set, the number
reported is the total number of missing values rather than just the
number for that set. As far as I can tell the cross tabulations are
right for the valid data.
I've reported this to the pgpp-bugs mailing list, but haven't gotten a
detailed response yet. I presume it is possible I did something wrong.
e.g., in creating the recoded variables. Can anyone suggest anything
which I might have done wrong?
Probably nothing. The crosstabs command was completely rewritten in version
0.7.x so hopefully this problem won't arise there.
5> Is there some tutorial which goes through various examples,
particularly using psppire? I've been studying the manual, but it
isn't a whole lot of help in using the pspire.
Unfortunately not. Pspp started as a free replacement for Spss. However
it's starting to attract interest from people who have never used Spss, so
it maybe time to write such a tutorial. Any volunteers?
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- Using pspp, Leonard Evens, 2009/10/27
- Re: Using pspp,
John Darrington <=