R
rutger_1
He all,
I have a list of daily data (5 days a week), but i would like to transform
this list in a list with only the data of every friday (so once a week). How
do I do this?
thanx
I have a list of daily data (5 days a week), but i would like to transform
this list in a list with only the data of every friday (so once a week). How
do I do this?
thanx