Hier ist der Ausgangs DF:
Code: Alles auswählen
date <- c(1,2,1,2)
id <- c('x','x','y','y')
value_1 <- c(22,33,44,55)
have <- data.frame(date,id,value_1)
Code: Alles auswählen
date <- c(1,2,3,4,1,2,3,4)
id <- c('x','x','x','x','y','y','y','y')
value_1 <- c(22,33,33,33,44,55,55,55)
want <- data.frame(date,id,value_1)