Another minor release 0.1.5 of pkgKitten just hit on CRAN today, after a break of almost three years. This release provides a few small changes. The default per-package manual page now benefits from a second refinement (building on what was introduc...
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...
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...
By now you will know that it is a good tradition of this blog to explain stuff by rebuilding toy examples of it in R (see e.g. Understanding the...
A new version of digest arrived at CRAN earlier today, and I just sent an updated package to Debian too. digest creates hash digests of arbitrary R objects (using...
DBnomics : the world’s economic database Explore all the economic data from different providers (national and international statistical institutes, central banks, etc.), for free, following the link db.nomics.world. You can also retrieve...
Introduction Since the 2016 election, inland U.S. Border security has been the huge topic. The construction for the new border wall has started and the tension between Mexico and...
Data cleaning can be a challenge, so I hope this helps the process for someone out there. This is a tiny, but valuable function for…Continue ReadingSplit Intermixed Names into...
Week 7 Gold Mining and Fantasy Football Projection Roundup now available. The post Gold-Mining Week 7 (2019) appeared first on Fantasy Football Analytics.
Last year I wrote about the slightly tedious business of spreading (or widening) multiple value columns in Tidyverse-flavored R. Recent updates to the tidyr package, particularly the introduction of...
Expectdata is an R package that makes it easy to test assumptions about a data frame before conducting analyses. Below is a concise tour of some of the data...
Today I was struggling with a relatively simple operation: unnest() from the tidyr package. What it’s supposed to do is pretty simple. When you have a data.frame where one...
Inspired by recent headlines like “Fear Overtakes Greed in IPO Market after WeWork Debacle” and “This Year’s IPO Class is Least Profitable since the Tech Bubble”, today we’ll explore...
Bootstrapping time series? It is meant in a way that we generate multiple new training data for statistical forecasting methods like ARIMA or triple exponential smoothing (Holt-Winters method etc.)...
In early September, the version 2.0.0 of rmangal was approved by rOpenSci, four weeks later it made it to CRAN. Following-up on our experience we detail below the reasons why we...
A new release 0.3.7 of RcppGSL is now on CRAN. The RcppGSL package provides an interface from R to the GNU GSL using the Rcpp package. Stephen Wade noticed...
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...
The “Great Restructuring” of our economy is underway. That’s the official name for what we know is happening: the best are rising to the top, and the mediocre are...
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...
I ran into an issue the other day where I was tring to write a new table to a SQL Server Database with a non-default schema. I did end up...
Introduction Some people think that the main idea of forecasting is in predicting the future as accurately as possible. I have bad news for them. The main idea of...
Background Google Trends is a well-known, free tool provided by Google that allows you to analyse the popularity of top search queries on its Google search engine. In market...
The riddle of the week on The Riddler was to find the size n of an audience for at least a 50% chance of observing at least one triplet...
We are in the last stages of proofing the galleys/typesetting of Zumel, Mount, Practical Data Science with R, 2nd Edition, Manning 2019. So this edition will definitely be out...
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...
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...
Dear Readers,I always see a repetitive question coming to me and across various forums on how to read multiple files in the zip folder of same separator or multiple...
rOpenSci HQ What would you like to hear about in an rOpenSci Community Call? We are soliciting your “votes” and new ideas for Community Call topics and speakers. Find out...
Producing an API that serves model results or a Shiny app that displays the results of an analysis requires a collection of intermediate datasets and model objects, all of...
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