Is the ~ character the equivalent of ! character
whats the R translation of this ?
sub_df = df [ (df["test_result"].isin(test_vals)) & (~df["value"].isin(na_vals)) ]
test_vals = [ "positive", "negative" ]
dup_na_vals = [ "na", "", "unknown" ]
! is the "not" operator.
help("!") will bring up the documentation
help("!")
I know ! is the not operator thanks, I was looking for a translation of the python code which has the ~ ( tilde) symbol
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