r - Multilevel in shiny input -


i have, multilevel in shiny ui input region, province , school.

library(data.table) selectinput("region","region",c("golfe","maritime","kara","savanes")) selectinput("province","province", as.character(sort(unique(dt[,region])))) selectinput("school","school",as.character(sort(unique(dt[,province])))) how can link region -> province -> school. thank

you need on server side, using updateselectinput function.


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