From e7d1c5e91e299d8fe8fd87c47dcce45d275031e3 Mon Sep 17 00:00:00 2001 From: Ryan Date: Wed, 8 Jan 2025 16:28:27 +0800 Subject: [PATCH] fix latex --- 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 85cc28d..b66f6b0 100644 --- a/4-data-analytics.md +++ b/4-data-analytics.md @@ -343,7 +343,7 @@ - Create new features from existing ones, thus increasing predictive power - Takes the Cartesian product of existing features - - $A\times B=\{(a,b)\mid a\in A\ {\mbox{ and }}\ b\in B\}.$ + - $A\times B=\{(a,b), a \in A \ and\ b\in B\}.$ - Has uses when data is not linerarly separable - Deciding which feature to cross: - Use expertise