[R] non-standard reshape from long to wide

Bert Gunter bgunter@4567 @end|ng |rom gm@||@com
Thu Jan 7 19:51:38 CET 2021

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Bert Gunter

"The trouble with having an open mind is that people keep coming along and
sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )

On Thu, Jan 7, 2021 at 10:40 AM Yuan Chun Ding <ycding using coh.org> wrote:

> Dear R user,
> I want to reshape a long data frame to wide format, I made the following
> example files.  Can you help me?
> Thank you,
> Yuan Chun Ding
> sample <-c("xr" , "xr" , "fh" , "fh" , "fh" , "uy" , "uy" , "uy" , "uy");
> marker <-c("x" , "y" , "g" , "x" , "k" , "y" , "x" , "u" , "j");
> df.long <-data.frame(sample, marker);
> xr <-c(1,1,NA,NA,NA,NA);
> fh <-c(1,NA,1,1,NA,NA);
> uy <-c(1,1,NA,NA,1,1);
> df.wide <- t(data.frame(xr,fh,uy));
> colnames(df.wide)<-c("x","y","g","k", "u","j");
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