feat: consolidates API

src/linear/linear_regression.rs

@@ -64,7 +64,7 @@ use std::fmt::Debug;
 
 use serde::{Deserialize, Serialize};
 
-use crate::base::Predictor;
+use crate::api::{Predictor, SupervisedEstimator};
 use crate::error::Failed;
 use crate::linalg::Matrix;
 use crate::math::num::RealNumber;
@@ -116,6 +116,18 @@ impl<T: RealNumber, M: Matrix<T>> PartialEq for LinearRegression<T, M> {
     }
 }
 
+impl<T: RealNumber, M: Matrix<T>> SupervisedEstimator<M, M::RowVector, LinearRegressionParameters>
+    for LinearRegression<T, M>
+{
+    fn fit(
+        x: &M,
+        y: &M::RowVector,
+        parameters: LinearRegressionParameters,
+    ) -> Result<Self, Failed> {
+        LinearRegression::fit(x, y, parameters)
+    }
+}
+
 impl<T: RealNumber, M: Matrix<T>> Predictor<M, M::RowVector> for LinearRegression<T, M> {
     fn predict(&self, x: &M) -> Result<M::RowVector, Failed> {
         self.predict(x)