Exercises and Projects
2.5. Exercises and Projects#
Exercise 2.1 (Handwritten example)
Consider the 1-dimensional data set shown below.
\(x\) |
1.5 |
2.5 |
3.5 |
4.5 |
5.0 |
5.5 |
5.75 |
6.5 |
7.5 |
10.5 |
|---|---|---|---|---|---|---|---|---|---|---|
\(y\) |
\(+\) |
\(+\) |
\(-\) |
\(-\) |
\(-\) |
\(+\) |
\(+\) |
\(-\) |
\(+\) |
\(+\) |
Please use the data to compute the class of \(x=5.5\) according to \(k=1\), \(3\), \(6\) and \(9\). Please compute everything by hand.
Solution to Exercise 2.1 (Handwritten example)
Not yet done!
Exercise 2.2
Please download the titanic dataset from here. This is the same dataset from what you dealt with in Chapter 1 Exercises. Therefore you may use the same way to prepare the data.
Please analyze the dataset and build a k-NN model to predict whether someone is survived or not. Note that you have to pick k at the end.
Solution to Exercise 2.2
Not yet done!