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Document: both communalities- AND Eigenvalue-based factor retention criteria depend on sampling #223

maxheld83 opened this issue Aug 16, 2015 · 0 comments


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commented Aug 16, 2015

also holds for the residuals matrix.

@bobbraswell, in the first of his stimulating series of emails, clarified that both Eigenvalue- as well as communality-based criteria are vulnerable to sampling, and may thus be inadequate for Q, which frequently carries no presumption of randomly sampled participants (as person-variables!)

I should make sure this is clear in the function documentation.

(I do not think this completely invalidates the procedure, see list conversation)

@maxheld83 maxheld83 self-assigned this Aug 16, 2015
@maxheld83 maxheld83 added this to the 1.4.0 (Visualizations) milestone Aug 16, 2015
maxheld83 added a commit to maxheld83/qmethod that referenced this issue Aug 21, 2015
@maxheld83 maxheld83 closed this Aug 21, 2015
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