michaeladamkatz

"If someone offers me a bet that if it rains tomorrow then I win $5, but if it doesn’t rain I lose $5." The word "If" should be removed from...

"This is the job of descriptive statistics, but it’s not a job that can be told solely using the numbers." I don't think one really "tells" a job. So I'd...

"Each one of those deaths had it’s own story, was it’s own tragedy, and only some of those are known to us now." Both should be its.

It says "50.50 - 12.75 = 37.75" but you mean "50.50 - 12.25 = 37.75"

"We still haven’t arrived at anything that resembles data analysis. Maybe the next Chapter will get us a bit closer!" chapter should be lowercase here

It might be good to distinguish between this use of "data mining" and the way it's used in recent computer science.

After coming to understand what "regression to the mean" means, I think the long example given in 2.7.7 is pretty bad. It asks why these college school students are not...

When you say "In general, the main effect of homogeneous attrition is likely to be that it makes your sample unrepresentative." is that just because it makes the sample size...

This is a matter of taste, but I really dislike statements like "Selection bias is a pretty broad term." What does "pretty broad" mean? How does this sentence in any...

For the most part, artefactual results tend to be [more of] a concern for experimental studies than for non-experimental studies.