Machine learning: how to undersample the wrong way Machine learning is a powerful tool, but it’s easy to use it incorrectly and draw biased conclusions, as we’ll show in this real world example. Continue reading “Machine learning: how to undersample the wrong way”…
Best friends forever We use both synthetic and RUM testing for Wikipedia. These two ways of testing performance are best friends and help us verify regressions. Today, we will look at two regressions where it helped us to get metrics both ways. Continue reading “Best friends forever”…