Maarit WidmannMaarit Widmann is a data scientist and an educator at KNIME: the instructor behind the KNIME self-paced courses and a teacher in the KNIME courses. She is the author of the From Modeling to Model Evaluation e-book and she publishes regularly in the KIME blog and on Medium. She holds a Master's degree in data science and a Bachelor's degree in sociology. Read More Read Less