Utilities for Preparation of Data Analysis


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Documentation for package ‘preputils’ version 1.0.3

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beta2m Convert proportional data to M-Values
coalesce select 1st existing value of several columns
fillmap Supplement missing values in mapping of data
filterpca Filter data set using PCA
fixlimits Fix extremes for logit transformation
incons Detect inconsistencies in 1:1 mapping
m2beta Convert logit transformed M-Values of proportional data back to original 0/1 range
normalize Normalize numeric variable to range(0,1)
pcv PCA on automatically selected attributes in high dimensional data
rmbat batch effect removal by mean centering and shifting
vifx Compute Variance inflation factor
write.space Create text data files using convenient defaults
write.tab Create text data files using convenient defaults