I have the data in groups (age_groups) by year (2015 & 2016). I want percentage by age_group to be based on total / year (e.g. 1462 for 2015) and not by the grand total of 2925.
I have the data in groups (age_groups) by year (2015 & 2016). I want percentage by age_group to be based on total / year (e.g. 1462 for 2015) and not by the grand total of 2925.