cases_judges_dt
.groupby("arresting_agency", "case_year")
.count()
.filter(d=>d.case_year==2021)
.join(
cases_judges_dt
.groupby("arresting_agency", "case_year")
.count()
.filter(d=>d.case_year==2016),
"arresting_agency")
.derive({pct_increase: d=>(d.count_1-d.count_2)*100/d.count_2})
.orderby(aq.desc("pct_increase"))
.view()