Re: [R] transpose a data frame according to a specific variable

Both ways are doing well the job. Nice! Thanks again! -- View this message in context: http://r.789695.n4.nabble.com/transpose-a-data-frame-according-to-a-specific-variable-tp4702971p4703007.html Sent from the R help mailing list archive at Nabble.com.

[R] transpose a data frame according to a specific variable

Dear R-users, I would like to transpose a large data.frame according to a specific column. Here's a reproductible example, it will be more understandable. At the moment, my data.frame looks like this example: DF - data.frame(id=c(A,A,A,B,B,B,C,C,C),

Re: [R] transpose a data frame according to a specific variable

One way is to use the reshape2 package: library(reshape2) dcast(DF, id ~ Year, value.var = Day) Dennis On Mon, Feb 9, 2015 at 7:47 AM, jeff6868 geoffrey_kl...@etu.u-bourgogne.fr wrote: Dear R-users, I would like to transpose a large data.frame according to a specific column. Here's a

Re: [R] transpose a data frame according to a specific variable

library(tidyr) spread(DF,Year,Day) On 09 Feb 2015, at 16:47, jeff6868 geoffrey_kl...@etu.u-bourgogne.fr wrote: finalDF - data.frame(id=c(A,B,C),2000=c(NA,NA,164),2001=c(120,NA,99), 2002=c(90,18,48),2003=c(54,217,NA),2004=c(NA,68,NA)) signature.asc Description: Message signed with