# Category: R

Late last year, Matt Dancho had a post on deep learning celebrating the arrival of the Python keras package for R. It is a very good tutorial on using artificial...continue reading.

## Darwinazing biodiversity data in R

“Darwin Core (DwC) is a standard maintained by the Darwin Core maintenance group. It includes a glossary of terms (in other contexts these might be called properties, elements, fields, columns,...continue reading.

## Automatically importing publications from bibtex to a hugo-academic blog

The problemI am in the process of migrating my (rather ugly) small blog from “Bloggers” to blogdown and, as several others, I choose to use the hugo-academic theme due to its good looks, simplicity,...continue reading.

## Learning about Algorithms and Program Structure

Outline of the Problem When learning to program, we often start with trivial exercises that don’t motivate anyone to treat programming seriously. Here I want to develop an example step-by-step...continue reading.

## Google Summer of Code 2018

R project has been participating in Google Summer of Code (GSoC) since 2008. We have numerous packages which have received code contributions from GSoC participants. This year too, R is...continue reading.

## SNAPverse R package: snapgrid

This post introduces the snapgrid R package, a data package in the SNAPverse R package ecosystem. It contains a number of convenient raster objects sourced from spatially explicit maps commonly...continue reading.

## Data-driven unit testing for data scientists and quant developers alike

Often overlooked, testing is a critical process that saves time over the long term and enables building complex systems. Unit …Continue reading →continue reading.

## Exploratory Analysis – When to Choose R, Python, Tableau or a Combination

Not all data analysis tools are created equal. Recently, I started looking into data sets to compete in Go Code Colorado (check it out if you live in CO). The problem...continue reading.

## Gold diggers at the Olympics

It came to a close two weeks ago. Over two weeks of obsessive watching everything that moves on skis, skates or boards. My tiny country of the Netherlands won about...continue reading.

## Mandalas Colored

Apriétame bien la mano, que un lucero se me escapa entre los dedos (Coda Flamenca, Extremoduro) I have the privilege of being teacher at ESTALMAT, a project run by Spanish...continue reading.

## Shiny slider examples with the intrval R package

The intrval R package is lightweight (~11K), standalone (apart from importing from graphics, has exactly 0 non-base dependency), and it has a very narrow scope: it implements relational operators for...continue reading.

## JC and the Vignettes

If that’s not a great 1960’s band name then I don’t know what is (hint: I don’t know what is). At the start of the year I set out my...continue reading.

## Semiparametric Regression in R

A. INTRODUCTION When building statistical models, the goal is to define a compact and parsimonious mathematical representation of some data generating process. Many of these techniques require that one make...continue reading.

## Using R in SQL Server Reporting Services (SSRS)

SQL Server Reporting services (SSRS) is an outstanding tool for creating, deploying and managing paginated, mobile, KPI reports as well as Power BI reports. Tool provides simple way to share...continue reading.

## Exercise dashboard

I posted a while back about using joy plots for heart rate data. Over the past couple of months, I grew tired of opening RStudio every time I wanted to...continue reading.

## simmer 3.7.0

The 3.7.0 release of simmer, the Discrete-Event Simulator for R, is on CRAN. It includes several API improvements and bug fixes. Among the former, the new timeout_from_attribute() activity makes it easier and more...continue reading.

## Criminal goings-on in a random forest

There’s a pay-off from an exploration of multiple supervised machine learning models. We’ll explore five approaches whilst predicting criminal goings-on in London. The post Criminal goings-on in a random forest...continue reading.

## 2018-03 Putting the Macron in Māori: Accented text in R Graphics

This report describes different methods for correctly rendering macrons in Māori text within R plots. The topics covered will also have relevance to rendering other …continue reading.

## Using R to Reason & Test Theory: A Case Study from the Field of Reading Education

Note: Word Press messes up the code. Find the code here: https://github.com/trinker/RandomCaseEffect This past week I was preparing slides for a reading assessment class with a lecture focus on the...continue reading.

## Gartner’s 2018 Take on Data Science Tools

I’ve just updated The Popularity of Data Science Software to reflect my take on Gartner’s 2018 report, Magic Quadrant for Data Science and Machine Learning Platforms. To save you the...continue reading.