Create Data Association of ‘feature’ and ‘target’ Resample Build Models Rescale Predictions to Predicted Probabilities Appendix Density Plots Lift Plot TLDR: In classification problems, under and over sampling1 techniques shift the distribution of predicted probabilities towards the minority class. If your problem requires accurate probabilities you will need to adjust ...

If you’re only going to read one line of this post let it be this one: v0.6.0 of SwimmeR is now available from CRAN and it’s better now than ever before. But don’t just stop at one line though, grab that update and come along on this ...

Generating, importing, and customizing online tests for TestVision with R/exams. Motivation This tutorial illustrates how to use R/exams for creating online exams for TestVision. Testvision is a Dutch commercial onlin...

In “Stock Market Valuation and the 2020’s in R” I investigated whether the CAPE ratio could forecast the future trajectory of earnings and/or stock returns… The post Structural Change in Stock Market Valuations appeared first on Light Finance.

Taking a jpg image and converting it to raster, getting pixelized data manipulation of the image and plot a scatter image. Sound like another useless R function, that can produce a scatter plot in a shape of a logo with…Read more ›

While the future of the Apache Drill ecosystem is somewhat in-play (MapR — a major sponsoring org for the project — is kinda dead), I still use it almost daily (on my local home office cluster) to avoid handing over any more money to Amazon than I/we already do. The latest (...

Some weeks ago I tweeted this: GUIs were a mistake — Bruno Rodrigues (@brodriguesco) October 9, 2020 you might think that I tweeted this as an unfunny joke, but it’s not. GUIs were one of the worst things to happen for statisticians. Clickable interfaces for data analysis is probably one of the ...

Boosting nonlinear penalized least squares

20.11.2020 A new version of Bio7 is available. This update comes with a plethora of new features, improvements and bugfixes. For those who don’t know Bio7. The application Bio7 is an integrated development environment for ecological modeling, scientific image analysis and statistical analysis. It also contains a feature complete development ...

The idea OK. We are at home. Again. Given that large parts of Europe and the U.S. are currently experiencing a second large wave of Covid-19 cases and that most European jurisdictions have reacted with more or less rigorous lockdown regulatio...

Appsilon is Named a Rising Star 2020 wasn’t easy on anyone, and it was a devastating year for many. Businesses of all types had to readjust the way they work and pivot their overall strategies in this new environment. The IT sector was one of the least affected by the ...