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FACTOR: Check that the number of factors does not exceed the number of variables
[pspp-builds.git]
/
src
/
language
/
stats
/
factor.c
diff --git
a/src/language/stats/factor.c
b/src/language/stats/factor.c
index 72a066408bb9f09e95fd863acaf40fe88888a332..cfec4a9a40890d7eb09a4c6bbdcc05c98d810bcd 100644
(file)
--- a/
src/language/stats/factor.c
+++ b/
src/language/stats/factor.c
@@
-1467,6
+1467,12
@@
do_factor (const struct cmd_factor *factor, struct casereader *r)
msg (MW, _("The FACTOR criteria result in zero factors extracted. Therefore no analysis will be performed."));
goto finish;
}
msg (MW, _("The FACTOR criteria result in zero factors extracted. Therefore no analysis will be performed."));
goto finish;
}
+
+ if (idata->n_extractions > factor->n_vars)
+ {
+ msg (MW, _("The FACTOR criteria result in more factors than variables, which is not meaningful. No analysis will be performed."));
+ goto finish;
+ }
{
const gsl_vector *extracted_eigenvalues = NULL;
{
const gsl_vector *extracted_eigenvalues = NULL;