Daten & Packages laden

Laden Sie die folgenden Packages und Data-Frames:

library(tidyverse)
library(afex)
library(emmeans)
urla = "https://www.phonetik.uni-muenchen.de/studium_lehre/"
urlb = "lehrmaterialien/R_speech_processing/Rdf"
url = paste0(urla, urlb)
auf = read.table(file.path(url, "auf.txt"), 
                 stringsAsFactors = T)
phr.m = read.table(file.path(url, "phrm.df.txt"),
                   stringsAsFactors = T)
phr.m = phr.m %>%
  mutate(L = factor(L, levels = c("kurz", "mittel", "lang")))
dbc = read.table(file.path(url, "dbc.txt"),
                 stringsAsFactors = T)
nasals.df = read.table(file.path(url, "nasals.df.txt"), 
                      stringsAsFactors = T)
school.df = read.table(file.path(url, "school.txt"), 
                  stringsAsFactors = T) %>%
  mutate(year = factor(year, levels=c("pre", "first", "second")))