How are you defining missing values? I notice that the handling of missing cases depends on their status as system or user-defined. Maybe you've found a bug.
https://www.gnu.org/software/pspp/manual/html_node/LOGISTIC-REGRESSION.html -Alan On 4/21/2017 10:16 AM, ftr public wrote: > Hi, > > I calculated a logistic regression based on poll data that show a > large percentage of missing data. > > The initially summary shows - the missing sub-command set on default - > > included in the analysis 8,196 > missing cases 7,253 > Total 15,449 > > To see whether the large part of missings has any effect on the result > I excluded missings by counting all missing values in the list of > dependent and independent variables and then filtered for no missings. > In addition I set the missing sub-command on exclude. > > count ka = list of independent variables (missing values). > temp. > sel if ka = 0. > LOGISTIC REGRESSION dependent WITH independent > /CATEGORICAL = ... > /CRITERIA = CUT(0.5) ITERATE(20) > /NOORIGIN > /miss exclude. > > To my surprise, the number of missings did not drop to 0 . > > The summary now shows > > included in the analysis 8,196 > missing cases 4,200 > Total 12,396 > > How can I achieve to get the missings excluded so that included total ? > > - ftr > > > _______________________________________________ > Pspp-users mailing list > Pspp-users@gnu.org > https://lists.gnu.org/mailman/listinfo/pspp-users -- Alan D. Mead, Ph.D. President, Talent Algorithms Inc. science + technology = better workers http://www.alanmead.org I've... seen things you people wouldn't believe... functions on fire in a copy of Orion. I watched C-Sharp glitter in the dark near a programmable gate. All those moments will be lost in time, like Ruby... on... Rails... Time for Pi. --"The Register" user Alister, applying the famous "Blade Runner" speech to software development _______________________________________________ Pspp-users mailing list Pspp-users@gnu.org https://lists.gnu.org/mailman/listinfo/pspp-users
