This function filters the input matrix x depending on the features intensity.
A variable is kept if value is greater than median across observations in a given percentage of observations defined by threshold.
Default is 0.25 (i.e. select variables with values > median in more than 25\
Arguments
- x
the input matrix, where rows are observations and columns are variables.
- threshold
the cutoff
- logger
a Logger
Value
A Filtered object