Dealing with missing values for correlations calculation

Question

I have huge matrix with a lot of missing values. I want to get the correlation between variables.

1. Is the solution

cor(na.omit(matr         


        

Answer 1

For future readers Pairwise-complete correlation considered dangerous may be valuable, arguing that cor(matrix, use = "pairwise.complete.obs") is considered dangerous and suggesting alternatives such as use = "complete.obs").