feat: adds accuracy, recall and precision metrics

src/metrics/mod.rs

@@ -0,0 +1,34 @@
+pub mod accuracy;
+pub mod recall;
+pub mod precision;
+
+use crate::math::num::FloatExt;
+use crate::linalg::BaseVector;
+
+pub struct ClassificationMetrics{}
+
+impl ClassificationMetrics {
+    pub fn accuracy() -> accuracy::Accuracy{
+        accuracy::Accuracy {}
+    }
+    
+    pub fn recall() -> recall::Recall{
+        recall::Recall {}
+    }
+
+    pub fn precision() -> precision::Precision{
+        precision::Precision {}
+    }
+}
+
+pub fn accuracy<T: FloatExt, V: BaseVector<T>>(y_true: &V, y_prod: &V) -> T{
+    ClassificationMetrics::accuracy().get_score(y_true, y_prod)
+}
+
+pub fn recall<T: FloatExt, V: BaseVector<T>>(y_true: &V, y_prod: &V) -> T{
+    ClassificationMetrics::recall().get_score(y_true, y_prod)
+}
+
+pub fn precision<T: FloatExt, V: BaseVector<T>>(y_true: &V, y_prod: &V) -> T{
+    ClassificationMetrics::precision().get_score(y_true, y_prod)
+}