new article

Author: DiogoRibeiro7

Gemfile.lock

@@ -25,6 +25,7 @@ GEM
     ffi (1.17.2-arm-linux-gnu)
     ffi (1.17.2-arm-linux-musl)
     ffi (1.17.2-arm64-darwin)
+    ffi (1.17.2-x64-mingw-ucrt)
     ffi (1.17.2-x86-linux-gnu)
     ffi (1.17.2-x86-linux-musl)
     ffi (1.17.2-x86_64-darwin)
@@ -40,6 +41,9 @@ GEM
     google-protobuf (4.30.2-arm64-darwin)
       bigdecimal
       rake (>= 13)
+    google-protobuf (4.30.2-x64-mingw-ucrt)
+      bigdecimal
+      rake (>= 13)
     google-protobuf (4.30.2-x86-linux)
       bigdecimal
       rake (>= 13)
@@ -169,6 +173,8 @@ GEM
       google-protobuf (~> 4.30)
     sass-embedded (1.88.0-riscv64-linux-musl)
       google-protobuf (~> 4.30)
+    sass-embedded (1.88.0-x64-mingw-ucrt)
+      google-protobuf (~> 4.30)
     sass-embedded (1.88.0-x86_64-darwin)
       google-protobuf (~> 4.30)
     sass-embedded (1.88.0-x86_64-linux-android)
@@ -202,6 +208,7 @@ PLATFORMS
   riscv64-linux-gnu
   riscv64-linux-musl
   ruby
+  x64-mingw-ucrt
   x86-linux
   x86-linux-gnu
   x86-linux-musl

_posts/2025-08-07-smarter_tree_splits.md

@@ -46,8 +46,8 @@ $$
 
 Where:
 
-- $\text{Var}(y)$ is the variance of the target variable in a node.
-- $n$ denotes the number of samples in each respective node.
+- $$\text{Var}(y)$$ is the variance of the target variable in a node.
+- $$n$$ denotes the number of samples in each respective node.
 
 This formulation effectively measures how much more "pure" (less variance) the child nodes become after a split. It works well in many cases but has some computational and numerical limitations, especially at scale.