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startR

This is just a small repo for use in a “getting started with R” tutorial. The contents are in flux, as this is a work in progress. Here’s a quick description of the files:

  • listA.csv and listB.csv : some Auditory Lexical Decision Task data from a few language learners
  • item_info.txt and subject_info.txt : some simplified (and perhaps made-up) info on the items and subjects in the lists, for merging into the data
  • session2_script.R : a script that I used in a second session to help walk through some basic concepts in loading files, naming objects, data cleaning and subsetting, etc. It includes lots of stuff (like head() and summary() that I would normally never put in a script, but it was helpful to have every single command pre-typed, to save time and the inevitable frustration of typos.
  • session3_script.R : this is a walkthrough of the third (and final) session of this short series. It covers a few basics in typical steps in an analysis of continuous and categorical data, including formatting, sub-setting, establishing cutoffs for reaction times, and performing some basic analysis using t-tests, regular linear regression, ANOVA (omnibus and by-subjects), and mixed-effects models.

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