I would kill for 35% wrangling + engineering. Finding, validating, cleaning dirty data... that's like 80% or 85% for me. Maybe the estimates here are based on a

I would kill for 35% wrangling + engineering. Finding, validating, cleaning dirty data... that's like 80% or 85% for me. Maybe the estimates here are based on a pre-existing clean (mostly) data source or warehouse.