remove_from: Remove all columns or rows from 'data.frame' matching...
In tharte/tutils: Tom's UTILity functionS

Description Usage Arguments Value Author(s) See Also Examples

Remove all columns or rows from data.frame matching criterion

remove_from(DF, fun, dim = c("both", "rows", "cols"))

remove_from_rows(DF, fun)

remove_from_cols(DF, fun)

`DF`	`data.frame` or `matrix`
`fun`	`function` with criterion for removal

data.frame or matrix with matching removed

Thomas P. Harte

grep, match

FUN<- function(x) is_blank(x) | is.na(x)

tab<- read.table(con<- textConnection(
"Name  Age Salary
 Dick   NA    32k
 Tom    NA    21k
 NA     NA    NA"
), header=TRUE, colClasses=c("character","integer","character")); close(con)


 remove_from_rows(tab, fun=FUN)
 remove_from(tab, fun=FUN, dim="row")

 remove_from_cols(tab, fun=FUN)
 remove_from(tab, fun=FUN, dim="col")

 remove_from(tab, fun=FUN, dim="both")