DataFrames 0.18 does not support the new ! syntax. Additionally, DataFrames 0.21 likes to use strings a column names so there are a few functions here that could be updated to take strings and symbols but I figured it was best to start with these changes.
DataFrames 0.18 does not support the new
!
syntax. Additionally, DataFrames 0.21 likes to use strings a column names so there are a few functions here that could be updated to take strings and symbols but I figured it was best to start with these changes.Replaces #56