On Feb 20, 2012, at 2:15 PM, adick wrote:
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.
Do you have missing entries? (Running your data fragment through your
code produces the same error.) You may want to use rep with each and
times arguments to construct a regular grid and then population the
missing entries in matrix with NA's.
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]")
Any way .... The z argument to `persp` is supposed to be a matrix of
dimension == length(x)*length(y):
?matrix
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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