الگوريتم ID3 با متلب
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تعداد بازدید: 115
کد پروژه: 420553
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Decision Tree Computer Assignment
You are asked to implement the following problem in MATLAB.
“My Weekend” Problem
Imagine you only ever do one of the following four things for any weekend:
go shopping
watch a movie
play tennis
just stay in
What you do depends on three factors:
1. weather (windy, rainy or sunny)
2. how much money you have (rich or poor)
3. whether your parents are visiting (yes or no)
You say to yourself: if my parents are visiting, we'll go to the cinema. If they're not visiting and it's sunny, then I'll play tennis, and so on.
Suppose we have the following instances in our (training) dataset:
Weekend (Example) Weather Parents Money Decision (Category)
Apply the ID3 algorithm on this dataset to induce a decision tree.
Note that I have written a function (readDataset.m) for reading the given dataset (MyWeekendDataset.txt) , you can use it to load the data and then write the algorithm.
It is not necessary to show the decision tree graphically but please show the structure of the tree as well as you can.
txt file :
W1 Sunny Yes Rich Cinema
W2 Sunny No Rich Tennis
W3 Windy Yes Rich Cinema
W4 Rainy Yes Poor Cinema
W5 Rainy No Rich Stayin
W6 Rainy Yes Poor Cinema
W7 Windy No Poor Cinema
W8 Windy No Rich Shopping
W9 Windy Yes Rich Cinema
W10 Sunny No Rich Tennis
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