Steph Locke | Not my Rs

• Star of presentations such as “the LaTeX show”!
• Principal consultant at Mango Solutions
• Local user group leader
• blog: itsalocke.com
• t: @stefflocke

What’s this about Rs?

• R is an open source language, made out of the ashes of S
• It started off stats
• Now has excellent graphics, .js, & doc facilities

Why should you know your Rs from your elbow?

• Great analysis
• Reclaim your time from Excel
• Markdown!
• Interactive data viz via js libraries
• Fully CI/CD capable

What does R look like? | Basics

#Define a variable
a<-25

#Call a variable
a

## [1] 25

#Do something to it
a+1

## [1] 26

What does R look like? | Functions

#Define a function
inflateAudienceFigs<-function(x) x*100

#Call a function
inflateAudienceFigs(a)

## [1] 2500

What does R look like? | Extensions

#Get a package
install.packages("data.table")

#Activate a package
library(data.table)

What does R look like? | Piping

library(magrittr)

#Typical
pairs(iris)

#Pipe
iris %>% pairs
iris %>% tail(.) %>% pairs
iris %>% {tail(.,nrow(.)/5)} %>% pairs

Find out more

Online

• Modern R DataCamp
• Statistics R Coursera
• R-bloggers
• Advanced R programming
• Writing R packages

In-person

• R user groups e.g. CaRdiff
• Conferences e.g. EARL, SQL Relay
• Training days

Get this presentation

This presentation is available on github.com/stephlocke/Rtraining. All the code is available for you to take a copy and play with to help you learn on the go.

If you have any questions, contact me!

itsalocke.com | github.com/StephLocke | @SteffLocke