The concept of “wide data” is relative. In some domains 100 columns is considered “wide”, while in others that’s perfectly normal and you’d need to have thousands (or tens of thousands!) of columns for it to be considered even remotely “wide”. The data that we work with at Fathom ...

Tree-based models are probably the second easiest ML technique for explaining the model to a non-data scientist. I am a big fan of tree-based models because of their simplicity and interpretability. But, when I try to visualize them is, when it gets my nerves. There are so many packages out ...

A bit more than two weeks ago, Germany held a federal election and, naturally, this is always reason for a lot of discussions and subjective truths. One subjective truth I encountered myself related to how fast the party CDU/CSU was able to collect and...

Convolutional neural networks, Let’s look at a picture classification problem. Assume you have a data set including numerous photographs of planes and cars. And you’d like to create a model that can recognize and distinguish them. Pleas...

This post explains how to call Java functions from jar file in R. This is useful especially when derivatives pricing or risk calculation engine already have been developed well in the form of Java in your company. It is more efficient to use time-te...

The deadline for submitting proposals is October 31, 2021. The September 2021 ISC Call for Proposals is now open. The R Consortium’s Infrastructure Steering Committee (ISC) solicits progressive, pioneering projects... The post September 2021 ISC Call for Proposals – Now Open! appeared first on R Consortium.

I have put together a complete guide to model training, docker file creation and then consuming your API in R. This has arisen as part of a workshop the NHS-R community are doing around R in Production: show and tell, but instead of just making it local, I thought I ...

Mirai Solutions stays engaged in the development and maintenance of the front-end of the OASIS LMF (Loss Modeling Framework) platform. The OASIS UI is under constant development, with new features coming out on a regular basis to enhance its usabili...

Introduction to deep learning, This is a follow-up to one of our previous posts, which you can read here if you missed it. Introduction to Deep Learning Deep learning applications are employed in practically every industry, including health care...

This post explains a two-stage stochastic linear programming (SLP) in a simplified manner and implements this model using R. This exercise is for the clear understanding of SLP model and will be a solid basis for the advanced topics such as multi-st...

Introduction Often when scraping data, websites will ask a user to enter a postal code to get the locations near it. If you are interested in collecting data on locations in Canada for an entire Province or the entire province from a site, it might be hard to find a ...

error: JAVA_HOME cannot be determined from the Registry, This error notice happens most frequently when we try to load the xlsx package. Approach 1: error: JAVA_HOME cannot be determined from the Registry The error message “JAVA HOME canno...

To smooth the process of creating visually striking Shiny UI’s and robust applications, Appsilon is working on designing Cheatsheets for our Shiny packages. The first of these in the Cheatsheet series is the shiny.semantic package. The Cheatsheet will introduce you to shiny.semantic and methods for bringing Semantic ...