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The 9 references without a DOI — listed, not checked
no DOI — not checkedRong YK, Huang S (2005) Advanced computer-aided fixture design. Elsevier, Amsterdam
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no DOI — not checkedHemmerich W (2020) Multiple lineare regression voraussetzung 4: Multikollinearität. https://statistikguru.de/spss/multiple-lineare-regression/voraussetzung-multikollinearitaet.html. Accessed 11 May 2021
no DOI — not checkedGéron A (2019) Hands-on machine learning with Scikit-Learn, Keras, and TensorFlow: Concepts, tools, and techniques to build intelligent systems. O’Reilly Media
no DOI — not checkedScikit-learn-developers, scikit-learn user guide (2020). https://scikit-learn.org/stable/modules/generated/sklearn.tree.export_graphviz.html. Accessed 11 May 2021
no DOI — not checkedXGBoost-developers, Xgboost tutorials (2020). https://xgboost.readthedocs.io/en/latest/tutorials/index.html. Accessed 11 May 2021
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