View source: R/drop-uninformative-columns.R
drop_uninformative_columns | R Documentation |
This is a convenient way to drop columns which all have one value (missing or not) or
if na_distinct = FALSE
also drop columns which all have one value and/or missing values.
drop_uninformative_columns(data, na_distinct = TRUE)
data |
A data frame. |
na_distinct |
A flag specifying whether to treat missing values as distinct from other values. |
The original data frame with only informative columns.
data <- tibble::tibble(
a = c(1, 1, 1), x = c(NA, NA, NA), b = c(1, 1, NA),
z = c(1, 2, 2), e = c(1, 2, NA)
)
drop_uninformative_columns(data)
drop_uninformative_columns(data, na_distinct = FALSE)
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