search for: sc1_0608

Displaying 1 result from an estimated 1 matches for "sc1_0608".

2010 Nov 10
1
Inserting Missing Data
...IndID). For example: (Embedded image moved to file: pic14606.jpg) As one example, I have data for size class (SC) one I can insert after IndID #4 in the data above. However, when I attempt to merge these two data frames using the following commands: "Hs.full.anal<-merge(Hs.short.missgval,SC1_0608, byx=c(Cave,Year,Month,Region,Plot,IndID), byy=c(Cave,Year,Month,Region,Plot,IndID))" I get the following message: "WARNING: Warning in `[<-.factor`(`*tmp*`, ri, value = c(1L, 1L, 1L, 1L, 1L, 1L, 1L, : invalid factor level, NAs generated" Can anyone tell me what th...