if A has negative elements
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karlrohe commented
if A has negative elements, then we should compute rs and cs as
rs = rowSums(abs(A))
cs = colSums(abs(A))
otherwise, with default normalization=T...
In addition: Warning messages:
1: In sqrt(rsA + tau_r) : NaNs produced
2: In sqrt(csA + tau_c) : NaNs produced
alexpghayes commented
Duplicate of #13