BUG: Fix mapclassify #88

pysal · Oct 25, 2020 · 7aad6fc · 7aad6fc
1 parent 6cf31ee
commit 7aad6fc
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/mapclassify/classifiers.py b/mapclassify/classifiers.py
@@ -630,8 +630,11 @@ def _summary(self):
         self.gadf = self.get_gadf()
 
     def _classify(self):
-        self._set_bins()
-        self.yb, self.counts = bin1d(self.y, self.bins)
+        if min(self.y) == max(self.y):
+            raise ValueError("Minimum and maximum of input data are equal, cannot create bins.")
+        else:
+            self._set_bins()
+            self.yb, self.counts = bin1d(self.y, self.bins)
 
     def _update(self, data, *args, **kwargs):
         """