Titlebook: Applied Data Science in Tourism; Interdisciplinary Ap Roman Egger Textbook 2022 The Editor(s) (if applicable) and The Author(s), under excl

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Structuring the Content of an Email, ROC curve and F1 scores, while the latter uses the mean average error and the mean squared error. In both cases, evaluation requires the use of k-fold cross-validation, or a similar sampling technique, to ensure the model is tested on a different set of data than it was trained on.

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Feature Engineeringbetter done iteratively, starting from EDA and performing EA after each iteration. This chapter showcases basic FE operations, allowing a data scientist to decide whether or not to engage in a FE process. The FE operations will be exemplified in a case study about Airbnb price predictions.

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