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..., is there a script to go through the whole list and generate the P value column automatically? An example of my data: Counts_CHB and Counts_AA are the observed counts for one allele. 2N_CHB and 2N_AA are the total number of alleles. gene Local_Pos 2N_CHB 2N_AA Counts_CHB Counts_AA Exact_P B2M 2475 90 46 0 5 B2M 3532 90 44 0 1 FCN2 2203 88 46 0 1 FCN2 3536 90 46 0 9 FCN2 4027 84 46 0 9 FCN2 4036 90 46 0 9 FCN2 4318 90 46 0 9 FCN2 4392 90 46 0 9 FCN2 9575 90 46 0 1

Dear All, I am not familiar with R yet I want to use it to perform some task, hence my posting here. I hope someone can help. I have a set of data, genes (rows) and samples (columns). I want to do a Pearson correlation on all the possible pairwise combinations of all the genes (2000). Does anyone have an idea of how to execute this in R? Thanks in advance. -- View this message in context: