List/Grid Tag Archives: R


R: Weather vs attendance at NoSQL meetups

A few weeks ago I came across a tweet by Sean Taylor asking for a weather data set with a few years worth of recording and I was surprised to learn that R already has such a thing – ...

R: Featuring engineering for a linear model

I previously wrote about a linear model I created to predict how many people would RSVP ‘yes’ to a meetup event and having not found much correlation between any of my independent ...

R: Vectorising all the things

After my last post about finding the distance a date/time is from the weekend Hadley Wickham suggested I could improve the function by vectorising it…                 @markhneedham ...

R: Time to/from the weekend

In my last post I showed some examples using R’s lubridate package and another problem it made really easy to solve was working out how close a particular date time was to the weekend. I ...

R: Cleaning up and plotting Google Trends data

I recently came across an excellent article written by Stian Haklev in which he describes things he wishes he’d been told before starting out with R, one being to do all data clean ...

R: Applying a function to every row of a data frame

In my continued exploration of London’s meetups I wanted to calculate the distance from meetup venues to a centre point in London. I’ve created a gist containing the coordinates ...

R: A first attempt at linear regression

I’ve been working through the videos that accompany the Introduction to Statistical Learning with Applications in R book and thought it’d be interesting to try out the linear regression ...

R: Calculating rolling or moving averages

I’ve been playing around with some time series data in R and since there’s a bit of variation between consecutive points I wanted to smooth the data out by calculating the moving ...

Graph Degree Distributions using R over Hadoop

There are two common types of graph engines. One type is focused on providing real-time, traversal-based algorithms over linked-list graphs represented on a single-server. Such engines ...

Understanding the World using Tables and Graphs

Organizations make use of data to drive their decision making, enhance their product features, and to increase the efficiency of their everyday operations. Data by itself is not useful. ...
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