diff --git a/types/datascience/outlier_result.go b/types/datascience/outlier_result.go
new file mode 100644
index 00000000..1c8d5d79
--- /dev/null
+++ b/types/datascience/outlier_result.go
@@ -0,0 +1,20 @@
+package datascience
+
+// OutlierResult is a sum type representing whether a data point is normal or an outlier.
+type OutlierResult interface{ outlierResult() }
+
+// Normal indicates the data point is within expected range.
+type Normal struct {
+	Index int
+	Value float64
+}
+
+// Outlier indicates the data point is anomalous.
+type Outlier struct {
+	Index  int
+	Value  float64
+	ZScore float64
+}
+
+func (Normal) outlierResult()  {}
+func (Outlier) outlierResult() {}
diff --git a/types/datascience/outlier_result.md b/types/datascience/outlier_result.md
new file mode 100644
index 00000000..e414449e
--- /dev/null
+++ b/types/datascience/outlier_result.md
@@ -0,0 +1,15 @@
+---
+name: outlier_result
+lang: go
+domain: datascience
+version: "1.0.0"
+algebraic: sum
+definition: |
+  type OutlierResult interface{ outlierResult() }
+  type Normal struct { Index int; Value float64 }
+  type Outlier struct { Index int; Value float64; ZScore float64 }
+description: "Tipo suma que clasifica un dato como Normal o Outlier con su z-score. Usado por DetectOutliers."
+tags: [datascience, outlier, anomaly, statistics]
+uses_types: []
+file_path: "types/datascience/outlier_result.go"
+---