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Long Hong


Last seen: 7 dagar ago
4 total contributions since 2020

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Question


sparse matrix with data type as 'single'
Dear all: I have a very large sparse matrix that I hope to reduce the size further more. I noticed that in full matrix, one cou...

25 dagar ago | 1 answer | 0

1

answer

Question


identify peers within a firm - sparse matrix only
Dear all: This is a follow-up post from my previous one, which has been solved by @Image Analyst. Now I have encountered a new ...

ungefär 2 månader ago | 0 answers | 0

0

answers

Question


Get the diagonal without calculating the explicit matrix
Dear all: I am trying to calculate a diagonal of a matrix (denoted A), which is formed by multiplying two large-dimensional mat...

4 månader ago | 2 answers | 0

2

answers

Question


Identify the peers within a firm
Dear all: I am working on a panel dataset, which contains worker ID, firm ID, and year. Each worker works for one firm only in ...

5 månader ago | 1 answer | 0

1

answer