Initially please make sure the course_data_dir and course_data_url variables are set:

course_data_dir = "./myEMURdata" # change to valid dir path on your system
course_data_url = "http://www.phonetik.uni-muenchen.de/~jmh/lehre/Rdf"

Tasks

library(emuR)
convert_txtCollection(dbName = "nzetest", 
                      sourceDir = file.path(course_data_dir, "nze"),
                      targetDir = course_data_dir)
db = load_emuDB(file.path(course_data_dir, "nzetest_emuDB"))
runBASwebservice_all(db, 
                     transcriptionAttributeDefinitionName = "transcription",
                     language = "eng-AU")