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

[Erich Neuwirth]

library(tidyr)
spread(DF,Year,Day)




> On 09 Feb 2015, at 16:47, jeff6868 <geoffrey_klein at 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))

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