preputils1.0.3 package

Convert proportional data to M-Values

select 1st existing value of several columns

Supplement missing values in mapping of data

Filter data set using PCA

Fix extremes for logit transformation

Detect inconsistencies in 1:1 mapping

Convert logit transformed M-Values of proportional data back to origin...

Normalize numeric variable to range(0,1)

PCA on automatically selected attributes in high dimensional data

batch effect removal by mean centering and shifting

Compute Variance inflation factor

Create text data files using convenient defaults