Council spending – open data
My local authority recently decided to publish all spending over £500 in an effort to be more transparent. Here’s a post taking an overview of what they’ve published. I’ve used...continue reading.
Category: R
Super Solutions for Shiny Architecture #5 of 5: Automated Tests
TL;DR Describes the best practices for setting automated test architecture for Shiny apps. Automate and test early and often with unit tests, user interface tests, and performance tests. Best Practices...continue reading.
Gold-Mining Week 7 (2019)
Week 7 Gold Mining and Fantasy Football Projection Roundup now available. The post Gold-Mining Week 7 (2019) appeared first on Fantasy Football Analytics.continue reading.
Permutation Feature Importance (PFI) of GRNN
In the post https://statcompute.wordpress.com/2019/10/13/assess-variable-importance-in-grnn, it was shown how to assess the variable importance of a GRNN by the decrease in GoF statistics, e.g. AUC, after averaging or dropping the variable...continue reading.
Partial Dependence Plot (PDP) of GRNN
The function grnn.margin() (https://github.com/statcompute/yager/blob/master/code/grnn.margin.R) was my first attempt to explore the relationship between each predictor and the response in a General Regression Neural Network, which usually is considered the Black-Box...continue reading.
Job: Junior Systems Administrator (with a focus on R/Python)
Jumping Rivers is a data science consultancy company focused on R and Python. We work across industries and throughout the world. We offer a mixture of training, modelling, and infrastructure...continue reading.
rBokeh – Don’t be stopped by missing arguments!
rBokeh is an interactive plotting library. Since it functions lack some arguments compared to its Python counterpart, plots are sometimes difficult to customize. I will show how to overcome those...continue reading.
Le Monde puzzle [#1114]
Another very low-key arithmetic problem as Le Monde current mathematical puzzle: 32761 is 181² and the difference of two cubes, which ones? And 181=9²+10², the sum of two consecutive integers....continue reading.
Super Solutions for Shiny Apps #4 of 5: Using R6 Classes
TL;DR Why use object-oriented programming in Shiny applications? It’ll help organizize organize the code in your application! Organize Your Shiny Code with Object-Oriented Programming Classes are used widely in all...continue reading.
JAMA retraction after miscoding – new Finalfit function to check recoding
Riinu and I are sitting in Frankfurt airport discussing the paper retracted in JAMA this week. During analysis, the treatment variable coded [1,2] was recoded in error to [1,0]. The...continue reading.
Merge MLP And CNN in Keras
In the post (https://statcompute.wordpress.com/2017/01/08/an-example-of-merge-layer-in-keras), it was shown how to build a merge-layer DNN by using the Keras Sequential model. In the example below, I tried to scratch a merge-layer DNN...continue reading.
Automatic data types checking in predictive models
Given certain data, and we need to create models (xgboost, random forest, regression, etc). Each one of them has its constraints regarding data types. Errors are not clear, here’s a...continue reading.
Assess Variable Importance In GRNN
Technically speaking, there is no need to evaluate the variable importance and to perform the variable selection in the training of a GRNN. It’s also been a consensus that the...continue reading.
Hyper-Parameter Optimization of General Regression Neural Networks
A major advantage of General Regression Neural Networks (GRNN) over other types of neural networks is that there is only a single hyper-parameter, namely the sigma. In the previous post...continue reading.
issuer: Local issue tracking, no net required
The goal of issuer is to provide a simple issue tracker, hosted on your local file system, for those users who don’t want to or are disallowed from using cloud-based...continue reading.
Gold-Mining Week 6 (2019)
Week 6 Gold Mining and Fantasy Football Projection Roundup now available. The post Gold-Mining Week 6 (2019) appeared first on Fantasy Football Analytics.continue reading.
rBokeh – Tipps and Tricks with JavaScript and beyond!
rBokeh is an interactive plotting library. It has the capability to extend its features with customized JavaScript code. I show the most important aspects, guide through an example, and provide...continue reading.
Part II: Deploying a Dash Application to Operationalize Machine Learning Models
Note: This guide is intended for use with version 3.3 of Plotly On-Premise. In Part I of the tutorial, we created and configured an Azure VM. We then installed Dash...continue reading.
`MCMCvis` 0.13.1 – HPD intervals, multimodel visualization, and more!
MCMCvis version 0.13.1 is now on CRAN, complete with new features for summarizing and visualizing MCMC output. See HERE and HERE for posts that cover general package features. Highlights since...continue reading.
Super Solutions for Shiny Architecture 3/5: Softcoding Constants in the App
TL;DR Two methods for keeping your Shiny app organized while avoiding hardcoding. Softcoding Constants in a Shiny App They can be found everywhere. Text on buttons, urls to be linked,...continue reading.
