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Blank out non-observed pairs in estimated covariance matrix display #279

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danielinteractive opened this issue Jun 2, 2023 · 0 comments

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danielinteractive commented Jun 2, 2023 •

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Background: #278

mmrm fits nicely when data has non-observed pairs even with unstructured covariance matrix
but not surprisingly the non-observed covariance values can then not reliably be estimated (seem biased)

Idea: We could

check the dataset
for non-observed pairs of observations
and only when the unstructured covariance matrix is used
then "blank out" the non-observed pairs in the covariance matrix when it is displayed

danielinteractive added the enhancement label

clarkliming assigned clarkliming and unassigned clarkliming

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