2] Cleaning Data: To remove a column ‘col’ in a dataframe ‘data’ using null, the command is: data$col <- NULL How to apply hash strings (a series of unreadable text) to replace important data e.g. full names. https://cran.r-project.org/web/pack

Ep4] New Moodle project, Acquiring data

May 24th, 2020 11m 12s

This week I discuss a new Moodle project and how I’ve been using R to process and visualise students use of educational materials. Part 1] A New Problem What is Moodle? Note that my University doesn’t use the latest version of Moodle. Part 2] A

Ep3] Data Frames, If & Scripts

Feb 17th, 2020 15m 39s

Shownotes R from Scratch Ep3 1] Packages HowTo install into RStudio 2] Dataframes Introduction to dataframes 3] Scripts in R Introduction to scripts in RStudio 4] If statements in R Introduction to If statements in R 5] Cleaning data in R Intr

Ep2] Variables, Vectors & Loading data

Feb 17th, 2020 9m 1s

Shownotes R from Scratch Ep2 1] Variables – What is a variable? 2] Vectors – Vectors in R Tutorial 3] Projects (.RPROJ files) Using Projects in R 5] Code versus RStudio – Writing code in RStudio 6] Sankey Diagrams in R

Ep1] R Studio and Coffee Challenge

Nov 13th, 2019 8s

Shownotes R from scratch ep1 I’m Richard Treves, @Trevesy on twitter Part 2: Other R podcasts mentioned: Credibly Curious, The R-Podcast Part 3: RStudio download, RStudio tutorials Part 4: Wikipedia on R statistical features, Free R textbook

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