Learning R from Scratch

Richard Treves

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about learning R programming

2020. 08. 21.

Ep5] Cleaning Data, loops and Vectorisation

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 →

11분
2020. 05. 24.

Ep4] New Moodle project, Acquiring data

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 →

11분
2020. 02. 17.

Ep3] Data Frames, If & Scripts

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

16분
2020. 02. 17.

Ep2] Variables, Vectors & Loading data

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

9분

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about learning R programming

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Richard Treves
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2020년
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Learning R from Scratch