\babel@toc {english}{} \contentsline {chapter}{\numberline {1}Lecture 1 - 09-03-2020}{4}% \contentsline {section}{\numberline {1.1}Introduction}{4}% \contentsline {chapter}{\numberline {2}Lecture 2 - 07-04-2020}{7}% \contentsline {section}{\numberline {2.1}Argomento}{7}% \contentsline {section}{\numberline {2.2}Loss}{7}% \contentsline {subsection}{\numberline {2.2.1}Absolute Loss}{7}% \contentsline {subsection}{\numberline {2.2.2}Square Loss}{8}% \contentsline {subsection}{\numberline {2.2.3}Example of information of square loss}{8}% \contentsline {subsection}{\numberline {2.2.4}labels and losses}{9}% \contentsline {subsection}{\numberline {2.2.5}Example TF(idf) documents encoding}{11}% \contentsline {chapter}{\numberline {3}Lecture 3 - 07-04-2020}{13}% \contentsline {section}{\numberline {3.1}Overfitting}{15}% \contentsline {subsection}{\numberline {3.1.1}Noise in the data}{15}% \contentsline {section}{\numberline {3.2}Underfitting}{16}% \contentsline {section}{\numberline {3.3}Nearest neighbour}{17}% \contentsline {chapter}{\numberline {4}Lecture 4 - 07-04-2020}{19}% \contentsline {section}{\numberline {4.1}Computing $h_{NN}$}{19}% \contentsline {section}{\numberline {4.2}Tree Predictor}{20}% \contentsline {chapter}{\numberline {5}Lecture 5 - 07-04-2020}{23}% \contentsline {section}{\numberline {5.1}Tree Classifier}{23}% \contentsline {section}{\numberline {5.2}Jensen’s inequality}{24}% \contentsline {section}{\numberline {5.3}Tree Predictor}{26}% \contentsline {section}{\numberline {5.4}Statistical model for Machine Learning}{27}% \contentsline {chapter}{\numberline {6}Lecture 6 - 07-04-2020}{29}% \contentsline {section}{\numberline {6.1}Bayes Optimal Predictor}{29}% \contentsline {subsection}{\numberline {6.1.1}Square Loss}{30}% \contentsline {subsection}{\numberline {6.1.2}Zero-one loss for binary classification}{31}% \contentsline {section}{\numberline {6.2}Bayes Risk}{33}% \contentsline {chapter}{\numberline {7}Lecture 7 - 07-04-2020}{34}% \contentsline {chapter}{\numberline {8}Lecture 8 - 07-04-2020}{35}% \contentsline {chapter}{\numberline {9}Lecture 9 - 07-04-2020}{36}% \contentsline {chapter}{\numberline {10}Lecture 10 - 07-04-2020}{37}% \contentsline {section}{\numberline {10.1}TO BE DEFINE}{37}%