jlecornu3

icon indicating a website link https://joshua-le-cornu.netlify.app/about/

icon company ExodusPoint Capital Management icon location London / Jersey icon location Engaged quantitative researcher from an Economics background. Delivering efficient Python-based analytics and data solutions within a systematic equity trading.

Results 3 comments of jlecornu3

Tune xgboost models with early stopping to predict shelter animal status | Julia Silge

Hi @juliasilge - Trying to use the xgboost engine in tidymodels, how can I get around the inclusion of a date column needing to be in format when I create...

Tune xgboost models with early stopping to predict shelter animal status | Julia Silge

Earlier comment should say: be in **date** format when I create ... and then but then needing **numeric** when

To downsample imbalanced data or not, with #TidyTuesday bird feeders | Julia Silge

Hi Julia, Does tidymodels offer us a way to tweak the cost function for misclassification across the minority and majority classes? Working on a series of classification models that survey...