Fix #1351: Merge small improvements from PR #1281 (PR #1352)

Author: trentmc

pdr_backend/aimodel/aimodel_factory.py

@@ -80,6 +80,7 @@ def _build_wrapped_regr(
         ss = self.ss
         assert ss.do_regr
         assert ycont is not None
+        assert X.shape[0] == ycont.shape[0], (X.shape[0], ycont.shape[0])
         do_constant = min(ycont) == max(ycont) or ss.approach == "RegrConstant"
 
         # weight newest sample 10x, and 2nd-newest sample 5x
@@ -145,6 +146,7 @@ def _build_direct_classif(
     ) -> Aimodel:
         ss = self.ss
         assert not ss.do_regr
+        assert X.shape[0] == len(ytrue), (X.shape[0], len(ytrue))
         n_True, n_False = sum(ytrue), sum(np.invert(ytrue))
         smallest_n = min(n_True, n_False)
         do_constant = (smallest_n == 0) or ss.approach == "ClassifConstant"

pdr_backend/aimodel/aimodel_plotdata.py

@@ -20,8 +20,8 @@ def __init__(
         model: Aimodel,
         X_train: np.ndarray,
         ytrue_train: np.ndarray,
-        ycont_train: np.ndarray,
-        y_thr: float,
+        ycont_train: Optional[np.ndarray],
+        y_thr: Optional[float],
         colnames: List[str],
         slicing_x: np.ndarray,
         sweep_vars: Optional[List[int]] = None,
@@ -45,7 +45,8 @@ def __init__(
         assert len(colnames) == n, (len(colnames), n)
         assert slicing_x.shape[0] == n, (slicing_x.shape[0], n)
         assert ytrue_train.shape[0] == N, (ytrue_train.shape[0], N)
-        assert ycont_train.shape[0] == N, (ycont_train.shape[0], N)
+        if ycont_train is not None:
+            assert ycont_train.shape[0] == N, (ycont_train.shape[0], N)
         assert sweep_vars is None or len(sweep_vars) in [1, 2]
 
         # set values

pdr_backend/aimodel/aimodel_plotter.py

@@ -138,6 +138,8 @@ def _plot_lineplot_1var(aimodel_plotdata: AimodelPlotdata):
     # line plot: regressor response, training data
     if d.model.do_regr:
         assert mesh_ycont_hat is not None
+        assert y_thr is not None
+        assert ycont is not None
         fig.add_trace(
             go.Scatter(
                 x=mesh_chosen_x,