Dear help list: I am trying to reshape a data frame from long to wide format
and with a reduced variable list using reshape2. The original data frame
format is: Site Obs_no LengthSite 1 Obs 1 10Site 1 Obs 2
13Site 1 Obs 3 14.........Site 2 Obs 1 5Site 2 Obs 2 7Site
2 Obs 3 9 Site and Obs_no are factors and Length is a numeric variable.
There are 15 cases in each Site group. The objective is to rearrange to: Site
1 Site 210 513 714 9 ........ I have tried a variety of
approaches, none of which worked. The following code does not work but
suggests the task might be possible, perhaps in 2 steps. Df2 <- dcast (Data1,
Length ~ Site, value_var = "Length") Its output is: Length Site 1 Site 210
10 NA13 13 NA14 14 NA.......5
NA 57 NA 79 NA 9 One easy
solution is to reshape in Excel and import a new dataframe fo!
r use but I would like to do it in R. Any suggestions would be much
appreciated. Regards,BJ
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