Please download kielread_emuDB.zip from
http://www.phonetik.uni-muenchen.de/~jmh/lehre/sem/ws1819/emuR/LESSON4/kielread_emuDB.zip

Unpack it into "mypath".

Load the database, and calculate (with package wrassp) formants by means of the function "forest".
Add the ssff-track-definitions to the database, extract the formants, and test the hypothesis (only by means of a plot, as we did in the seminar) that F1 in the vowel /a:/ is actually higher than in /i:/.