From 5cc879d79bd181711925c085373045845240f7ae Mon Sep 17 00:00:00 2001 From: Ryan Date: Wed, 8 Jan 2025 15:40:26 +0800 Subject: [PATCH] fix box cox transformation --- 4-data-analytics.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/4-data-analytics.md b/4-data-analytics.md index f353c75..5791052 100644 --- 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