Factor Analysis Promax

[Andreas Hammer]

Hello,

The manual specifies Promax as a rotation method for the factor analysis. I cannot call up this method via the menu. If I enter it via the syntax, a factor analysis can be run - but in my dataset:

1) the sum of squared loadings is not calculated, 

2) instead of a rotated matrix I get a "pattern matrix (Mustermatrix)". Maybe it's the same?

With Varimax there is no problem.

What have I overlooked?

Thank you.

Kind regards

Andreas Hammer

                          Systeminformation
      ╭────────────────────────┬──────────────────────────────────╮
      │Version                 │GNU pspp 2.0.0-g4c33fd            │
      │Hostsystem              │x86_64-w64-mingw32                │
      │Build System            │x86_64-pc-linux-gnu               │
      │Lokale Sprachverzeichnis│C:\Program Files\PSPP/share/locale│
      │Compilerversion         │10-win32 20210110                 │

╰────────────────────────┴──────────────────────────────────╯

I use win 11.

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Syntax like this:

FACTOR
    /VARIABLES= WW02_29 WW02_02 WW02_03 WW02_30 [and more items, totaly 64]
    /CRITERIA = MINEIGEN (1) ITERATE (25)
    /EXTRACTION =PAF
    /METHOD = CORRELATION
    /PLOT = EIGEN
    /PRINT = INITIAL EXTRACTION ROTATION SIG AIC KMO
    /CRITERIA = ITERATE (25)
    /ROTATION = VARIMAX.