Model Performance Metrics Lending Data Example Starter Code Weighting by Classification Outcomes Metrics Across Decision Thresholds Weighting by Observations Closing note Appendix Weights of Observations During and Prior to Modeling Notes on Cost Sensitive Classification Weighted Classification Metrics Questions on Cost Sensitive Classification Arriving at Weights Weighting in predictive modeling ...

Introduction Few months ago, I embarked on a full stack spatial data project at work. The project kicked off amazingly, until I was almost backed to the wall when I discovered that some of the data sources were served via a GraphQL API. Before now...

Vendée globe started on November the 8th this year, and as provides 6 data vacations per day, to let you create your own diagrams. Here are some, all based on official data provided by the official site. I was willing to get a little bit more inte...

In the previous post, I described a latent threshold model that might be helpful if we want to dichotomize a continuous predictor but we don’t know the appropriate cut-off point. This was motivated by a need to identify a threshold of antibody leve...

The health and economic crisis is of unprecedented scale and speed. To measure it, high frequency data are used, complementary to traditional data. We focus on electricity consumption from ENEDIS data, available on DBnomics, through the rdbnomics packa...

The health and economic crisis is of unprecedented scale and speed. To measure it, high frequency data are used, complementary to traditional data. We focus on electricity consumption from ENEDIS data, available on DBnomics, through the rdbnomics packa...

Linear Regression Linear regression is a basic approach to modelling the linear relationship between a dependent variable y and one ... Read moreLinear Regression and Type I Error

Bar Charts with R  The language of data visualization is universal. Not everyone will recognize a great visualization, but everyone will remember a terrible one. If you use tools and techniques discussed in this article, the chances for your visualization to be classified as “terrible” will be close to zero. ...

Series of Azure Databricks posts: Dec 01: What is Azure Databricks Dec 02: How to get started with Azure Databricks Dec 03: Getting to know the workspace and Azure Databricks platform Dec 04: Creating your first Azure Databricks cluster Dec 05: Understanding Azure Databricks cluster architecture, workers,…Read more ›

We are proud to announce that version 1.0 of the distill package is now on CRAN. While Distill has been around for awhile (and you may remember it by its original name, Radix), this latest version includes so many new features that we wanted to take a...

Rashomon effect and the probability of severe condition after Covid-19 infectionRisk calculator for severe condition after Covid-19 https://crs19.pl/TL;DR: If you want to better understand the relationship between some dependent and target variable, yo...