Learning R from Scratch: Recent Episodes
Richard Treves
A podcast about learning R. The content is additional to learning, it would be perfect for those taking a university course in R or trying to learn from youtube videos. The content will be walk throughs based on a project I will be persuing and this will be interspersed by interviews with R experts.
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/packages/openssl/vignettes/crypto_hashing.html 3] For Loops: The code I discussed For (i in 1:10){ commands to be written here in … Continue reading Ep5] Cleaning Data, loops and Vectorisation →
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] Acquiring data How to download logs from Moodle Part 3] General … Continue reading Ep4] New Moodle project, Acquiring data →
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 Introduction to cleaning data in R 7] Shiny
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
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