This the data for Question 4 in CSV format

There are four files for Question 4, Part 1:
Xtrn can be read from q4_1_xtrn.txt
Xtst can be read from q4_1_xtst.txt
Ytrn can be read from q4_1_ytrn.txt
Ytst can be read from q4_1_ytst.txt

There are four files for Question 4, Part 5:
Xtrn can be read from q4_5_xtrn.txt
Xtst can be read from q4_5_xtst.txt
Ytrn can be read from q4_5_ytrn.txt
Ytst can be read from q4_5_ytst.txt
