Category "matching"

Best and most efficient way for ELO-score calculation for users in database

I'm having a hard time wrapping my head around the issue of an ELO-score-like calculation for a large amount of users on our platform. For example. For every u

Match text from two different workbooks, return value from different column

I have never been so frustrated with Excel in my life. I'm coming up against two major deadlines at work, and the only way to get the right info to the right pe

Match text from two different workbooks, return value from different column

I have never been so frustrated with Excel in my life. I'm coming up against two major deadlines at work, and the only way to get the right info to the right pe

How can I check if a matrix is an element of a list of matrices? in R

I'm pretty new to programming in R. I have a matrix of numbers mat, as well as a list of matrices matlist. I want to check if the matrix mat matches with (i.e