Articles by Jasper Ginn

qualtRics 2.0 now available from CRAN

June 16, 2017 | Jasper Ginn

qualtRics version 2.0 is now available from CRAN. This version contains several additional features and simplifies the process of importing survey exports from Qualtrics. Below, I outline the most important changes. You can check the full changelog her... [Read more...]

qualtRics 1.0 now available from CRAN

April 26, 2017 | Jasper Ginn

Qualtrics allows users to collect online data through surveys. My R package qualtRics contains convenience functions to pull survey results straight into R using the Qualtrics API instead of having to download survey results manually. Currently, the...
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Shiny server series part 1: setting up

April 9, 2017 | Jasper Ginn

This guide is part of a series on setting up your own private server running shiny apps. There are many guides out there with great advice on how to set up an R shiny server and related software. I try to make a comprehensive guide based in part on the...
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May 22, 2016 | Jasper Ginn

TenK is an R package aimed at simplifying the collection of SEC 10-K annual reports. It contains the following features: Robust scraping and parsing of reports using the rvest package Resolves FTP urls to their HTML counterparts, which increases the speed of retrieving the documents and adds a lot of ...
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Classifying Guardian News Articles Using Naive Bayes

November 23, 2015 | Jasper Ginn

A while back, I adapted the Naive Bayes model used in this excellent video to classify text documents in Python. Classifying text documents is a fairly straightforward task which is fun to do, and so I wanted to test it out by classifying articles from the Guardian belonging to four ... [Read more...]

Visualizing Phoenix data using Shiny

August 20, 2015 | Jasper Ginn

A while back, I wrote a blog post about event data and specifically EL:DIABLO. While EL:DIABLO provides the infrastructure for you to get and process event data yourself, you can also download the daily updates that are generated by the authors’ own ... [Read more...]


July 27, 2015 | Jasper Ginn

Introduction The RSoundCloud package contains two functions with which to query the SoundCloud API. It further contains one convenience function aimed at helping the user to obtain a client id. This id is necessary to query the API. Package informati... [Read more...]

Mapping your phone’s location history, part 1

December 6, 2014 | Jasper Ginn

It’s no secret that phone manufacturers log your geolocation at all times, but at least they’re open about it these days. I had no doubts that my Google Nexus 5 phone logged every move I made, and I was interested to see how I could map these geolocations. If ...
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