Quite often I have a dataframe in R with lots of columns with one of the columns being the year. I then want to pick another column and make averages for each year and plot it to show how things have changed over time. I know this is really easy Read more…
Recently I’ve been playing with an R wrapper for a machine language library called Mallet to generate lists of topics from a series of text documents. The technique is called Topic Modelling and I have gotten to grips with it from Ben Marwick‘s readings of archaeology papers which has some Read more…
Around this time every year all my feeds are full of fantasy football teams. I wanted to join in; but I can’t be bothered with football. Instead I’ve created a fantasy team of data exploration tools. Looking back at my team these probably aren’t the best tools, they are just Read more…
Something I had been meaning to do for a long time was write a quick script to scrape Reddit comments. A chap has beaten me to it and you can find the code here: https://github.com/ctaggart878/redditscraper. During lunch today I had a little play with it the script (and I mean quick!). Read more…
Previously I’ve mentioned how valuable Stack Overflow is as a resource when getting into a new such as R but yet again I’ve been blown away by just how generous people are with their time. Last week I was incredibly stuck using R. I had been stuck on the same Read more…
Today I discovered Telenovelas. Telenovelas are short limited run programs similar to soap opera, they are popular in Spanish language counties and they are serious business. I stumbled across a clip on youtube and was instantly hooked. Check this out: I headed to Wikipedia to find out more only to Read more…
There is a great text mining package in R called ‘tm’. This is a short introduction to tm and how it can be used to create what is called a Document-Term Matrix, which is a matrix showing the frequency of terms over a collection of documents. While this is quite Read more…
