tpetric7.github.io

RAJ 2021, Exercises with R/RStudio:

File Management

• Download, unzip, list & dir
• Open & Save

Statistics

• Chi square test
• Comments of Teacher, V1
• Comments of Teacher, V2
• Plural Markers, V1
• Plural Markers, V2

• Modal verb constructions

• t test

• Politeness and Pitch

• Ordinary least squares Regression
• Politeness and Pitch, V1
• Politeness and Pitch, V2

Excel functions compared to R tidyverse

• xlookup

Basic NLP tasks

• Word and character count, Sentence length
• Novel comparison
• Novel original and translation
• Using regular expressions
• Wordformation suffixes
• Letter frequency, word length, syllables
• Sentiment Viewer html

Acoustic Phonetics

• Vowel Formant Plots

OLS Regression

m <- lm(frequency ~ gender + attitude, data=polite)
summary(m)

library(effects)
allEffects(m)
plot(allEffects(m), multiline=TRUE, grid=TRUE, rug=FALSE, as.table=TRUE)

NLP

library(readtext)
library(quanteda)
library(quanteda.textplots)

txt = readtext("data/books/*.txt", encoding = "UTF-8")
romane = corpus(txt)
kwic_frau = kwic(romane, pattern = "frau")
textplot_xray(kwic_frau)

Vowel formants in L1 / L2 German