Hi,
I have a data.frame like this:
y <- rnorm(60)
lev <- gl(3,20, labels=paste("lev", 1:3, sep=""))
date1 <- as.Date(seq(ISOdate(2007,9,1), ISOdate(2007,11,5),
by=60*60*24))
date1 <- date1[-c(3,4,15,34,38,40)]
df <- data.frame(lev=lev, date1=date1, y=y)
I would like to produce a new data.frame with missing days in df$date1
in each df$lev, like this:
lev date1
1 lev1 2007-09-03
2 lev1 2007-09-04
3 lev1 2007-09-15
4 lev2 2007-09-01
5 lev2 2007-09-02
etc.
How can I do this?
Thanks,
Lauri
FRCBS
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