Category "svd"

"Error in svd(c) : infinite or missing values in 'x'" when using synth() in R

I am using the synth package in R to implement a synthetic control method, where I use the dataprep() function to construct the appropriate matrices to be passe

Get U, Sigma, V* matrix from Truncated SVD in scikit-learn

I am using truncated SVD from scikit-learn package. In the definition of SVD, an original matrix A is approxmated as a product A ≈ UΣV* where