update old gpr model

2019-11-30 03:30:35 -05:00
parent fd7f111c26
commit 7ebb2ea473
5 changed files with 84 additions and 38 deletions
--- a/server/analysis/gpr/gpr_models.py
+++ b/server/analysis/gpr/gpr_models.py
@@ -111,7 +111,7 @@ class BasicGP(BaseModel):
        ]

    def _build_kernel(self, kernel_kwargs, **kwargs):
-        k = gpflow.kernels.Exponential(**kernel_kwargs[0])
+        k = gpflow.kernels.Matern12(lengthscales=2, **kernel_kwargs[0])
        if kwargs.pop('optimize_hyperparameters'):
            k.lengthscales.transform = gpflow.transforms.Logistic(
                *self._LENGTHSCALE_BOUNDS)