Eta value (partial n) with planned contrasts in one-way

Posted by J.D. Haltigan on Jan 19, 2019; 9:22pm
URL: http://spssx-discussion.165.s1.nabble.com/Eta-value-partial-n-with-planned-contrasts-in-one-way-tp5737295.html

Is there a way to manually generate the eta (partial effect size) statistic
when one uses planned contrasts in a ONE-WAY scenario. I can only seem to
get this if each contrast is specified as its own ONE-WAY but not
separately.

As below:

ONEWAY V1 V2 BY
    FACTOR1 (3-level)
  /CONTRAST=1 0 -1
  /CONTRAST=0 1 -1
  /STATISTICS DESCRIPTIVES
  /PLOT MEANS
  /MISSING ANALYSIS
  /POSTHOC=LSD BONFERRONI ALPHA(0.05).




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