That looks like a bug. If you're willing to share the data with me, or some subset of the data that shows similar problems, then I will try to find the bug.
On Sat, Jun 13, 2026 at 2:11 PM ftr <[email protected]> wrote: > Hi, > > I try to calculate à typology of sociocultural milieux with data from the > ESS survey. After having calculated three continuous variables: ses > culture populism as input for the typology I now want to cluster them. > > N = 2420. > > > QUICK CLUSTER ses culture populism > /CRITERIA CLUSTERS(8) > /SAVE CLUSTER(milieu). > > The result is incomprehensible to me. > > The majority of cases disappeared, though there are few missings in the > original variables. > > And the clusters have a NaN entry which says nothing to me. The PSPP Help > tries to explain what NaN means, but I don't understand it. > > And I don't see how to run a cluster analysis that works. > > > Final Cluster Centers > ╭───────────────┬────────────────────────────────────╮ > │ │ Cluster │ > │ ├───┬────┬─────┬───┬─────┬───┬───┬───┤ > │ │ 1 │ 2 │ 3 │ 4 │ 5 │ 6 │ 7 │ 8 │ > ├───────────────┼───┼────┼─────┼───┼─────┼───┼───┼───┤ > │ses │NaN│2.87│-2.94│NaN│-1.76│NaN│NaN│NaN│ > │values │NaN│-.23│ 1.91│NaN│ -.30│NaN│NaN│NaN│ > │populism │NaN│-.49│ -.25│NaN│ .76│NaN│NaN│NaN│ > ╰───────────────┴───┴────┴─────┴───┴─────┴───┴───┴───╯ > > Number of Cases in each Cluster > ╭─────────┬─────╮ > │ │Count│ > ├─────────┼─────┤ > │Cluster 1│ 0│ > │ 2│ 363│ > │ 3│ 129│ > │ 4│ 0│ > │ 5│ 639│ > │ 6│ 0│ > │ 7│ 0│ > │ 8│ 0│ > ├─────────┼─────┤ > │Valid │ 1131│ > ╰─────────┴─────╯ > > > Thanks for your help. > > - ftr >
