Displaying 2 results from an estimated 2 matches for "sortvars1".
2007 Sep 07
2
R first.id last.id function error
...(Lag(file1$id) != file1$id)
file1$last.id[1]<-TRUE #force NA to TRUE
#resort to original order
file1<- file1[order(file1$id,file1$week),]
I am now trying to get the above code to work as a function, and am
clearly doing something wrong:
> first.last <- function (df, idvar, sortvars1, sortvars2)
+ {
+ #sort in ascending order to define first dot
+ df<- df[order(sortvars1),]
+ df$first.idvar <- (Lag(df$idvar) != df$idvar)
+ #force first record NA to TRUE
+ df$first.idvar[1]<-TRUE
+
+ #sort in descending order to define last dot
+ df<- df[order(-sortva...
2009 Feb 08
0
Modifying forestplot function in rmeta
...id[1]<-TRUE #force NA to TRUE
>
>#resort to original order
>file1<- file1[order(file1$id,file1$week),]
>
>
>
>I am now trying to get the above code to work as a function, and am
>clearly doing something wrong:
>
> > first.last <- function (df, idvar, sortvars1, sortvars2)
>+ {
>+ #sort in ascending order to define first dot
>+ df<- df[order(sortvars1),]
>+ df$first.idvar <- (Lag(df$idvar) != df$idvar)
>+ #force first record NA to TRUE
>+ df$first.idvar[1]<-TRUE
>+
>+ #sort in descending order to define last...