replace_dt {tidyfst}

Fast value replacement in data frame

Description

While replace_na_dt could replace all NAs to another value, replace_dt could replace any value(s) to another specific value.

Usage

replace_dt(.data, ..., from = is.nan, to = NA)

Arguments

.data

A data.frame

...

Colunms to be replaced. If not specified, use all columns.

from

A value, a vector of values or a function returns a logical value. Defaults to is.nan.

to

A value. Defaults to NA.

Value

A data.table.

See Also

replace_na_dt

Examples

iris %>% mutate_vars(is.factor,as.character) -> new_iris

new_iris %>%
  replace_dt(Species, from = "setosa",to = "SS")
new_iris %>%
  replace_dt(Species,from = c("setosa","virginica"),to = "sv")
new_iris %>%
  replace_dt(Petal.Width, from = .2,to = 2)
new_iris %>%
  replace_dt(from = .2,to = NA)
new_iris %>%
  replace_dt(is.numeric, from = function(x) x > 3, to = 9999 )