Each language version is its own course, so if you switch the language you are starting the course from scratch in that language. If you switch back to your original language you will find your exercises there in the same state as before.
The text is primarily intended for undergraduate students in disciplines like business administration, the social sciences, medicine, politics, macroeconomics, etc. It features a wealth of examples, exercises and solutions with computer code in the statistical programming language R as well as supplementary material that will enable the reader to quickly adapt all methods to their own applications.
Yes, there are a variety of ways to use ChatGPT for language learning, including treating it as a conversation partner, asking it for translations, and using it to generate a curriculum or practice exercises.
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