Exercises

1. orange

orange.lecture3experimentalThe aim of this assignment is to read the iris dataset and to perform various visualisations of the data. Please note that the Parallel Coordinates widget is unstable.
orange.lecture4aexperimentalInducing and visualising a decision tree. The aim of this assignment is to induce a decision tree from the data and to visualise its contents.
orange.lecture4bexperimentalEvaluating and comparing Decision Tree with Random Decision Forest. The aim of this assignment is to perform a comparative evaluation of two (related) classifiers.
orange.lecture5aexperimentalData fiting (no prediction). The aim of this assignment is to fit the housing.dat dataset to a polynomial of different degrees.
orange.lecture5bexperimentalNearest neigbour regresion. The aim of this assignment is to perform a k nearest neigbour regression on selected features of the housing.tab dataset. Two values of k are compared.