feature-engine · ankitlade12 · Jan 8, 2026 · Jan 12, 2026 · Jan 12, 2026 · Jan 12, 2026
diff --git a/README.md b/README.md
@@ -114,6 +114,7 @@ Please share your story by answering 1 quick question
 * PowerTransformer
 * BoxCoxTransformer
 * YeoJohnsonTransformer
+* ArcSinhTransformer
 
 ### Variable Scaling methods
 * MeanNormalizationScaler

diff --git a/docs/api_doc/transformation/ArcSinhTransformer.rst b/docs/api_doc/transformation/ArcSinhTransformer.rst
@@ -0,0 +1,5 @@
+ArcSinhTransformer
+==================
+
+.. autoclass:: feature_engine.transformation.ArcSinhTransformer
+    :members:
diff --git a/docs/api_doc/transformation/index.rst b/docs/api_doc/transformation/index.rst
@@ -13,6 +13,7 @@ mathematical transformations.
    LogCpTransformer
    ReciprocalTransformer
    ArcsinTransformer
+   ArcSinhTransformer
    PowerTransformer
    BoxCoxTransformer
    YeoJohnsonTransformer

diff --git a/docs/images/arcsinh-demo-raw.png b/docs/images/arcsinh-demo-raw.png
diff --git a/docs/images/arcsinh-ihs.png b/docs/images/arcsinh-ihs.png
diff --git a/docs/images/arcsinh-loc-demo.png b/docs/images/arcsinh-loc-demo.png
diff --git a/docs/images/arcsinh-loc.png b/docs/images/arcsinh-loc.png
diff --git a/docs/images/arcsinh-qq.png b/docs/images/arcsinh-qq.png
diff --git a/docs/images/arcsinh-scale-demo.png b/docs/images/arcsinh-scale-demo.png
diff --git a/docs/images/arcsinh-scale.png b/docs/images/arcsinh-scale.png
diff --git a/docs/images/arcsinh-transformation.png b/docs/images/arcsinh-transformation.png
diff --git a/docs/images/arcsinh_profit_histogram.png b/docs/images/arcsinh_profit_histogram.png
diff --git a/docs/index.rst b/docs/index.rst
@@ -237,6 +237,7 @@ like anova, and machine learning models, like linear regression. Feature-engine
 - :doc:`api_doc/transformation/BoxCoxTransformer`: performs Box-Cox transformation of numerical variables
 - :doc:`api_doc/transformation/YeoJohnsonTransformer`: performs Yeo-Johnson transformation of numerical variables
 - :doc:`api_doc/transformation/ArcsinTransformer`: performs arcsin transformation of numerical variables
+- :doc:`api_doc/transformation/ArcSinhTransformer`: applies arcsinh (pseudo-logarithm) transformation of numerical variables
 
 Feature Creation:
 ~~~~~~~~~~~~~~~~~