fix: ridge regression, code refactoring

2020-11-11 15:59:04 -08:00
parent 7a4fe114d8
commit c42fccdc22
3 changed files with 63 additions and 24 deletions
@@ -154,8 +154,8 @@ impl<T: RealNumber, M: Matrix<T>> LinearRegression<T, M> {
    }

    /// Get estimates regression coefficients
-    pub fn coefficients(&self) -> M {
-        self.coefficients.clone()
+    pub fn coefficients(&self) -> &M {
+        &self.coefficients
    }

    /// Get estimate of intercept