Articles by Robert Norberg

Understanding data.table Rolling Joins

June 5, 2016 | Robert Norberg

Understanding data.table Rolling JoinsRobert NorbergJune 5, 2016IntroductionRolling joins in data.table are incredibly useful, but not that well documented. I wrote this to help myself figure out how to use them and perhaps it can help you too.
The SetupImagine we have an eCommerce website that uses a third ... [Read more...]

Getting Data From An Online Source

March 6, 2015 | Robert Norberg

Getting Data From One Online SourceRobert NorbergHello world. It’s been a long time since I posted anything here on my blog. I’ve been busy getting my Masters degree in statistical computing and I haven’t had much free time to blog. But I’ve writing R code as ... [Read more...]

Slideshows in R

February 7, 2013 | Robert Norberg

A while ago I was asked to give a presentation at my job about using R to create statistical graphics. I had also just read some reviews of the Slidify package in R and I thought it would be extremely appropriate to create my presentation about visuali... [Read more...]

SQL commands in R

January 22, 2013 | Robert Norberg

For a class I'm taking this semester on genomics we're dealing with some pretty large data and for this reason we're learning to use mySQL. I decided to be a geek and do the assignments in R as well to demonstrate the ability of R to handle pretty larg... [Read more...]

My first R GUI

November 13, 2012 | Robert Norberg

This post is a huge jump from the last two - this is not for beginners!! But if you've ever considered building a GUI in R, looked at some of the online documentation, gotten scared, and decided not to, read this!!! Ok here goes. Dorian Auto GUI Setup: I built ... [Read more...]

Classes and Objects in R

October 21, 2012 | Robert Norberg

Classes and objects in R Welcome back! In this blog post I'm going to try to tackle the concept of objects in R. R is said to be an “object oriented” language. I touched on this in my last post when we discussed the concatenate function c() and I'll go ... [Read more...]

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