Posts by Let DC • 119 points
4 posts
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3
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answer179
viewsQ: What is the "listw" argument in the multispati (multivariate Spatial analysis) - R software?
It involves spatial dependency, but I’m not sure how.
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1
votes1
answer597
viewsQ: Replace matrix value (R)
I need to replace the value that appears on the main diagonal of my matrix with another, how to proceed?
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4
votes1
answer2932
viewsQ: Calculate covariance matrix in R
Given a matrix whose elements are values of a given attribute in n positions in space. How to calculate the covariance matrix (nxn) of the values of this attribute at the given positions?
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3
votes1
answer163
viewsQ: In a matrix Z of elements (i,j) how to assign the value 1 when i=j? (software R)
Under the following condition: ifelse(??, 1, Z/(1+1)) What to put in place of "??" so that R understands that when i=j in the matrix Z, I want to assign the value 1?…