Hello I am running exactly the same code on two different computers. In PC1 of the the code is working fine, whereas in PC2 I get this error Error in HP.LUT[, 1] : incorrect number of dimensions HP.LUT is an object within a function computed as HP.LUT <- which(HP ==1, arr.in=TRUE), where HP is a binary matrix. HP.LUT is not returned for further use. I have made sure that no object with the name HP.LUT is present in either PC1 and 2, and I have used both RStudio and R 3.01. So I am puzzled and wonder what the reason for this might be. Any hint will be much appreciated. Thank you very much for your attention Juan A. Balbuena
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