wtVariables {limma} | R Documentation |
Extracts variable names from weight functions such as wtarea
, wtflags
, wtIgnore.Filter
and user defined functions for fast loading in read.maimages
.
wtVariables(x, fun)
x |
A character vector of all columns to search against |
fun |
A weight function to search for any of the possible columns in x |
This is an internally called function by getColClasses
which constructs a colClasses vector for fast loading of only required columns in read.maimages
Vector of columns required within read.maimages
Gordon Smyth
searchcols <- c("area","Flags","Ignore Filter") wtVariables(searchcols, wtarea) wtVariables(searchcols, wtflags) wtVariables(searchcols, wtIgnore.Filter) rm(searchcols) # tidy up