Merge pull request #150 from janezd/polynomial-regression-output

Polynomial regression output
biolab · Dec 2, 2022 · 69d8120 · 69d8120
2 parents a6cdd84 + 0fd91e7
commit 69d8120
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diff --git a/doc/widgets/polynomial-regression.md b/doc/widgets/polynomial-regression.md
@@ -47,4 +47,4 @@ To observe different results, change **Linear Regression** to any other regressi
 
 ![](images/polyregressiontree1.png)
 
-![](images/polynomial-regression-tree-exp1.png)
+![](images/polynomial-regression-tree-exp1.png)
diff --git a/orangecontrib/educational/__init__.py b/orangecontrib/educational/__init__.py
@@ -0,0 +1,17 @@
+from Orange.data import Table
+
+
+# Remove this when we require Orange 3.34
+if not hasattr(Table, "get_column"):
+    import scipy.sparse as sp
+    import numpy as np
+
+    def get_column(self, column):
+        col, _ = self.get_column_view(column)
+        if sp.issparse(col):
+            col = col.toarray().reshape(-1)
+        if self.domain[column].is_primitive():
+            col = col.astype(np.float64)
+        return col
+
+    Table.get_column = get_column