kutils: deleteBogusColumns – R documentation

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deleteBogusColumns

Remove columns in which the proportion of missing data exceeds a threshold.

This is a column version of deleteBogusRows. Use the pm argument to set the proportion of missing required before a column is flagged for deletion

deleteBogusColumns(dframe, pm = 0.9, drop = FALSE, verbose = TRUE,
  n = 25)

`dframe`	A data frame or matrix
`pm`	"proportion missing data" to be tolerated.
`drop`	Default FALSE: if data frame result is reduced to one column, should R's default drop behavior "demote" this to a column vector.
`verbose`	Default TRUE. Should a report be printed summarizing information to be delted?
`n`	Default 25: limit on number of values to print in diagnostic output. If set to NULL or NA, then all of the column values will be printed for the bogus rows.

a data frame, invisibly

Paul Johnson <pauljohn@ku.edu>