I have multicolumn data.frames with the first comumn giving ordinal
observation index ( ex.: 1 4 7 9 11 13 etc). I would like to fill up the
missing observations (i.e. 2 3 5 6 8 etc) with NAs.
Thank you
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Hi, see below:
df
index value
1 1 1
2 4 6
3 7 4
4 9 5
511 3
613 2
foo - function(x){
+ index - ifelse(x %in% df$index, df$value[which(df$index %in% x)], NA)
+ return(index)
+ }
df_ok - data.frame(index=1:13, value=sapply(1:13, foo))
Nikola Markov wrote:
I have multicolumn data.frames with the first comumn giving ordinal
observation index ( ex.: 1 4 7 9 11 13 etc). I would like to fill up the
missing observations (i.e. 2 3 5 6 8 etc) with NAs.
Please specify reproducible examples, they make it much easier to help!
If
