I’m a huge fan of online classes. I like the self-paced nature, the flexibility, and the autonomy. With the right instructor,… Read more
Category: Using R
Simple Linear Regression in R
I want to document in one place some of the ways I carry out simple linear regression in R. To… Read more
Understanding qq-plots
qq-plot is short for quantile-by-quantile plot. You plot one quantile against another and you see if their coordinate pairs form… Read more
Evidence of the truth of the Central Limit Theorem
The Central Limit Theorem is really amazing if you think about it. It says that the sum of a large… Read more
Stabilization simulation of relative frequency
One of my favorite simulations is seeing how the relative frequency of an event stabilizes around a theoretical probability as… Read more
Simulating outcomes of a simple experiment
One of the first things you learn in an introductory mathematical statistics class is how to assign a probability model… Read more
Explaining and simulating a chi-square distribution
Randomly select several values, say 10, from a standard Normal distribution. That’s a Normal distribution with a mean of 0… Read more