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  datastep
  
2009 Jun 23
1
Error in .subset(x, j) : only 0's may be mixed with negative subscripts
...0      1     NA
13      0      0      0      0  18804      0      0      4     NA
> 
 
If I reduce the data frame datastep4 by removing a few records where the
variable G102 is not 1, and removing the column named "G102" (which is
column 84),
I end up with a smaller set called datastep5 with 192701 rows and 94
columns
 
> datastep5 <- datastep4[datastep4$G102 != 1,-84]
> 
> dim(datastep5)
[1] 192701     94
> names(datastep5)[1:5]
[1] "RESPONDED" "VAR_30"    "VAR_31"    "VAR_32"    "VAR_33"
> table(datastep...