— Visual: Should I use a linear model? — I’ve read about this trick in two places, as a way to determine if the choice of a linear model for your data is a good one. You can plot the residuals (the squared error terms) against each of the... Read more
Hi, I'm Vanessa, a Principal Computer Scientist.
Building schedulers, containers, and cloudy things, with a love for learning and new experiences. -- about me
Raaawwr..!
— Correlation — Correlation is a measure of the extent to which two variables change together. A positive correlation means that when we increase one variable, the other increases as well. It also means that when we decrease one variable, the other decreases... Read more
— R (squared) Statistic — I remember making plots in middle and high school, and this curious r-squared statistic told me something about how well my data fit some regression plot. I had no clue where this value came from, but I noticed that it... Read more
— What is Standard Error? — Let’s say that I have a huge file cabinet filled with pasta (choose your favorite kind from “the Plethora of Pasta Permutations”) and I want to know the volume of each piece (let’s say there is a contest to guess... Read more