Analytics

Data analysis, big data, and business intelligence

The Resource Project: Tell R How Much Memory You Need

The Resource Project: Tell R How Much Memory You Need

Fit a cross-validated elastic net with cv.glmnet(x, y) on a design matrix that comfortably fits in memory, and the call can still fail. The reason is that the function needs several times the size of ...

Aug 11, 2026 5 min
Why ACF Is More Than Just a Plot

Why ACF Is More Than Just a Plot

1 Introduction Two observations can have the same units, come from the same source, and still require a different kind of reasoning simply because one was recorded before the other. That is the defini...

Aug 11, 2026 5 min