Y
HN Search
Hacker News Search
new
|
comments
|
top
|
jobs
kevinalbert
searching PlanetScale…
1.
▲
2.
▲
3.
▲
4.
▲
5.
▲
6.
▲
4 ms
·
1.
▲
by
kevinalbert
9y ago
I must be missing something here - in step 3, PMI for x, y is calculated as: log( P(x|y) / ( P(x)P(y) ) ) Because the skipgram probabilities are sparse, P(x|y) is often going to be zero, so taking the log yields negative infinity. The