I want to use persp to graph my data and it keeps giving me the error 
increasing 'x' and 'y' values expected, even though my data is in increasing
order with respect to x and y.

Here is the code I'm currently using: 
bob= scan ("SBA3dataTaxonB.txt",what="char")
labels = bob[1:3]
bob=bob[-c(1,2,3)]
bob=as.numeric(bob)
bob=array(bob,dim=c(3, length(bob)/3))
bob=t(bob)
data.frame(bob) -> bob
bob = bob[order(bob[,1], bob[,3]),]
persp(bob[,1], bob[,3], bob[,2], log="bob[,1]")

The first few lines of the txt file SBA3dataTaxonB.txt look like this:
variable        TaxonB  central
10      19      0.002
10      25      0.002
10      26      0.002
1       17      0.002
1       23      0.002
1       16      0.002
0.1     48      0.002
0.1     47      0.002
0.1     57      0.002
10      15      0.004
10      22      0.004
10      22      0.004
1       21      0.004
1       22      0.004
1       27      0.004
0.1     73      0.004
0.1     62      0.004

Can anyone help me figure out why I am getting this error? And also a
possible solution would be greatly appreciated.
-Thanks, Amanda

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