I have data like so
which I then combine according to the number of observations on each group like so
Finally I join the new feature with my main df:
The problem is when I wrap around function to the above commands I get the following error:
count? Maybe you meant
You’re right, sorry I’m an idiot!
Also if you’re doing
combine(groupby(...)) and then
join the result back to your original dataframe you were likely looking for
transform! in the first place?
You learn something new every day!