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How are values sorted when binning? E.g. when binning a sinus curve, boundary binning will have 2 values which are lower then the middle value. (Introduction Data Processing/p.58)

In the following description of DB-SCAN what does 4. do? Isn't point 3 missing a repeat or an further condition at point 2. (Clustering/p.34) https://educlust.dbvis.de/#

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Are none of these correct? (linear regresion/p.40)

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For linear regression: How can gradient descent with multi variant data be solved with matrices? (linear regression/p.26)

For linear regression: Does the mini-batch gradient descent \(n\) random samples or always the same \(n\) samples?

For logistic regresion: This can't be the derivation of the \(J(\theta)\) given in the slide (Logistic Regresion/p.41). What is the difference between \(x^{(i)}_j\) and \(x^{(i)}\)?

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What is a landmark? (SVM/p.29)

After one vs rest or one vs one, what to do with the different hyper plane? Merge them all toghether by drawing them on the same plot? (SVM/p.37,p38)

Do we have to produce python code?

What is a soft-max regression (Neural Network/p.14)

  • Neurales Network berechnungen
  • Wieviele Nodes, Pfade, Wheights, freie Parametern
  • Code verstehen
  • Decision Tree: Gini
  • Decision Tree bauen
  • Logistic Regression
  • Fragen über Cost-Function
  • Learning Curve lesen
  • Overfitting und Underfitting erkennen
  • F1, Precission, Recall berechnen
  • Binning
  • Out-of-bag error