Month: September 2023

Written by Rick Pack

Python Numpy where() ~= R / rstats dplyr case_when()

As I continue to work on the 2023 Kaggle RSNA “Abdominal Trauma Detection” competition, I continue to convert segments of others’ Python notebooks into R. While I have been working on converting and integrating the use of a neural networks notebook provided by the Keras team, a surprisingly strong performer has been this “weighted mean […]

Written by Rick Pack

Kaggle – Abdominal Trauma prediction – early experiences and errors

I recently jumped into an abdominal trauma predictive model Kaggle competition by the Radiological Society of North America and will share a few early challenges and thoughts. I am surprised there are less than 1,000 competitors in a free classification competition using computed tomography (CT) images. I found this to be an immediately interesting opportunity. […]