ndoogan questions

ndoogan answers

• how to model nested random effect in nlme package
• Function write.csv returns an error
• How to create weighted adjacency list/matrix from edge list?
• determine frequency of string using grep [duplicate]
• Efficient way to create a circulant matrix in R
• combine month and day into one date column
• R: is there a way to capture all the function argument values
• R, accessing a column vector of a matrix by name [duplicate]