4. Task 4

4.2. Task 4.2: K nearest neighbours

Documentation: knn3 function - RDocumentation; knnreg function - RDocumentation



Action:
ação ícone

Expected:
resultado ícone

> install.packages('caret')
> library('caret')

> test <- knn3(x=data[,2:5], y=factor(data[,6]), k=3)
> print(test)  # shows number of cases for each value
> predict(test, data[,2:5])

 

The prediction return a probability of each classification. 

Action: repeat with training and test sets