fix box cox transformation

2025-01-08 15:40:26 +08:00 · 2025-01-08 15:40:26 +08:00 · 5cc879d79b
parent 45d10bab7f
commit 5cc879d79b
1 changed files with 1 additions and 1 deletions
--- a/4-data-analytics.md
+++ b/4-data-analytics.md
@ -314,7 +314,7 @@
 - Square root $\sqrt{x}$
    - Similar to log transform
 - Exponential
- Box cox transformation $x^(\lambda - 1) / \lambda$
+- Box cox transformation $(x^\lambda - 1)  / \lambda$
    - **prerequisite:** numeric values must be positive, can be solved by
      shifting
 - Quantile transformation: using quartiles