remove_singleton_columns | R Documentation |
threshold
row(s) or fewer.Removes columns which only have non-zero & non-NA values in threshold
row(s) or fewer.
remove_singleton_columns(dat, threshold = 1)
dat |
dataframe |
threshold |
Number of rows. If a column only has non-zero & non-NA values
in |
dataframe without singleton columns
Kelly Sovacool, sovacool@umich.edu
Courtney Armour
remove_singleton_columns(data.frame(a = 1:3, b = c(0, 1, 0), c = 4:6))
remove_singleton_columns(data.frame(a = 1:3, b = c(0, 1, 0), c = 4:6), threshold = 0)
remove_singleton_columns(data.frame(a = 1:3, b = c(0, 1, NA), c = 4:6))
remove_singleton_columns(data.frame(a = 1:3, b = c(1, 1, 1), c = 4:6))
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