NeRd


R, Statistic and a little bit psychology

Substitution Rule Mining 2.0

Better performance

In my last post I’ve introduced an implementation of a Substitution Rule Mining algorithm. Now I’ve developed a new version for better performance. Thus I used the purrr and tibble package from the tidyverse. Tibbles need much less memory like normal data frames and the purrr package contains fast... [Read More]

Creating objects in for loops

R is one big modern family

Today I’ve learned a little trick that probably will save much of my time and nerves. Imagine you would like to transform your data or select some of it and you could do it very easily with a for loop. But you need every of this transformation in a new... [Read More]