3 ms·
"[before computing SVD], we normalized each entry according to the square root of the product of its row and column sums." Why didn't they use something that u
by etangent 10y ago
"[before computing SVD], we normalized each entry according to the square root of the product of its row and column sums."
Why didn't they use something that usually works better, like PMI?
- rspeer 10y agoThis is a normalization that I have used and seen other people use. I don't think it's a foregone conclusion that PMI is better for every task.