From 511a7633c1235a06906d53f88480b11524fd3099 Mon Sep 17 00:00:00 2001 From: zleyyij Date: Mon, 18 Dec 2023 14:09:40 -0700 Subject: [PATCH] vault backup: 2023-12-18 14:09:40 --- education/statistics/Correlation and Regression.md | 1 + 1 file changed, 1 insertion(+) diff --git a/education/statistics/Correlation and Regression.md b/education/statistics/Correlation and Regression.md index 7cfc444..78c3d5f 100644 --- a/education/statistics/Correlation and Regression.md +++ b/education/statistics/Correlation and Regression.md @@ -95,6 +95,7 @@ $$ \hat{y} = \frac{x-\bar{x}}{\sigma_x} * r * \sigma_y + \bar{y} $$ 3. Multiply that by $\sigma_y$ 4. Add the average of $y$ +- For a positive association, for every $\sigma_x$ above average we are in $x$, the line predicts $y$ to be $\sigma_y$ standard deviations above y. # Terminology | Term | Definition |