search for: impht

...n (plus potential ease and speed) of the PAN procedure for longitudinal data imputation is very appealing... I would very much appreciate any advice you could give me, many thanks in advance. Jo Hosking Code and a small sample data are shown below (I could supply more data to anyone willing!)... impht.data <-read.delim ("impht_long_trunc.dat",header = TRUE) impht.data$sex <-factor(impht.data$sex,label = c("Boys","Girls")) impht.data$visit <- factor (impht.data$visit) impht.data$code <- factor (impht.data$code) y <- impht.data$htmiss subj <- impht....