Standard deviation
https://www.mathsisfun.com/data/standard-deviation-formulas.html
Linear regression
![](https://jeremywhittaker.com/wp-content/uploads/2021/03/linear-regression-model-1024x505.png)
Mean squared error
![](https://jeremywhittaker.com/wp-content/uploads/2021/03/msemae.png)
Understanding AUC and ROC
![](https://jeremywhittaker.com/wp-content/uploads/2021/03/roc-curve-v2.png)
Correlation and Covariance
![](https://jeremywhittaker.com/wp-content/uploads/2021/03/image-2.png)
Pearson Correlation
Spearman Correlation
Understanding Box Plots
The easiest way to understand a boxplot is to visualize what it looks like on a starndard distribution dataset.
![](https://jeremywhittaker.com/wp-content/uploads/2021/04/image.png)
Vector Auto Regression
AIC & BIC
Bayes
Entropy
![](https://jeremywhittaker.com/wp-content/uploads/2021/03/image-9.png)
![](https://jeremywhittaker.com/wp-content/uploads/2021/03/image-10.png)
CAPM
Understanding factor based investing – https://www.morningstar.com/articles/636847/understanding-factor-models
![](https://jeremywhittaker.com/wp-content/uploads/2021/03/image-7.png)
Fama French 3 factor model
![](https://jeremywhittaker.com/wp-content/uploads/2021/03/image-8-1024x103.png)