Remove predict_values from Python API

Author: relf

src/gp_mix.rs

@@ -273,19 +273,6 @@ impl Gpx {
         self.0.predict(&x.as_array()).unwrap().into_pyarray(py)
     }
 
-    /// Predict output values at nsamples points.
-    ///
-    /// Parameters
-    ///     x (array[nsamples, nx])
-    ///         input values
-    ///
-    /// Returns
-    ///     the output values at nsamples x points (array[nsamples, 1])
-    ///
-    fn predict_values<'py>(&self, py: Python<'py>, x: PyReadonlyArray2<f64>) -> &'py PyArray2<f64> {
-        self.0.predict(&x.as_array()).unwrap().into_pyarray(py)
-    }
-
     /// Predict variances at nsample points.
     ///
     /// Parameters