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How to get linearly independent subset of matrix columns in a high-dimensional matrix
Dear all: I have a few sets of fixed effects in my linear model, which has a collinearity problem since the rank does not match...
5 years 前 | 1 个回答 | 0
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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...
5 years 前 | 2 个回答 | 1
2
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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 ...
5 years 前 | 0 个回答 | 0
0
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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...
5 years 前 | 2 个回答 | 0
2
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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 years 前 | 1 个回答 | 0
