Calculate allele frequencies from posterior mean genotypes

Question

In the following file (input_file.txt):

col1, col2, col3, NA, NA, NA, NA, 0, 0.1, 0, 0.002, 1, 0, NA, NA, NA, 1, 1.9, 0, 0.1, 2, 1, 0, 0.8

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