when to impute the missing value?
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De-Jian ZHAO ▴ 240
@de-jian-zhao-2012
Last seen 8.1 years ago
Dear all, Microarray experiments easily have missing values. The R packages impute and pcaMethods both can impute the missing values. I wonder at which step we carry out the imputation. After reading data into R? Before normalization? Ater finding the differentially expressed genes? When required to do so,e.g. PCA and SVD? ... Thank you for any advice. Zhao
impute pcaMethods impute pcaMethods • 1.2k views
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