Hi,
What is the result of:
contourplot(Y~X1+X2,data=pr2)
HTH,
Pascal
Le 13/03/22 8:57, Steven LeBlanc a écrit :
Greets,
I'm using a data frame that looks like:
head(pr2)
X1 X2 X3 X4 Y fit res
1 44 33.2 5 30 41.2 39.22201 1.977991
2 43 33.8 4 41 31.7 38.48476 -6.784761
3 48 40.6 3 38 39.4 44.78278 -5.382783
4 52 39.2 7 48 57.5 51.48134 6.018656
5 71 45.5 11 53 74.8 68.25585 6.544153
6 44 37.5 9 65 59.8 53.27743 6.522569
Along with the command:
contourplot(Y~X1*X2,data=pr2)
But I get a blank plot. I thought it might be because the data were unsorted or
sparse, so I made another ordered data frame as follows:
head(new)
X1 X2 X3 X4 resp
1 1 1 1 1 -10.810406
2 2 2 2 2 -7.657712
3 3 3 3 3 -4.505018
4 4 4 4 4 -1.352323
5 5 5 5 5 1.800371
6 6 6 6 6 4.953065
But the result is the same. Any idea why this does not work?
Best Regards,
Steven
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