block = URLREAD('http://www.amlbook.com/data/zip/features.train');
readData = textscan(block,'%f%f%f','delimiter', char(9));
train1 = readData{1};
train2 = readData{2};
train3 = readData{3};
clear readData
Three 7291*1 double arrays are imported, representing three different columns on the website page.