vault backup: 2024-01-03 14:03:11

2024-01-03 14:03:11 -07:00
parent d80195ac94
commit 751681d3e0
2 changed files with 3 additions and 1 deletions
--- a/education/statistics/Correlation
+++ b/education/statistics/Correlation
@ -104,6 +104,8 @@ $$ \hat{y} = \frac{x-\bar{x}}{\sigma_x} * r * \sigma_y + \bar{y} $$
 Predicting a y value for a given x value can be calculated when given the regression equation.
 $$ y = mx + b $$
 Where $y$ is the predicted value, $m$ is the slope, $x$ is the given value and the $b$ is the intercept. 
+$$ intercept = \bar{y} -  $$
+
 $$ slope = \frac{r * \sigma_y}{\sigma_x} $$

 #### Residual plots