code sample for pandas-dev#46904

Author: simonjayhawkins

bisect/46904.py

@@ -0,0 +1,18 @@
+# BUG: aggregate function on transposed resampled data frame raises ValueError #46904
+
+import pandas as pd
+
+print(pd.__version__)
+
+DIM = 3
+now = pd.Timestamp.now()
+# Create data frame.
+data = [[i + j for i in range(DIM)] for j in range(DIM)]
+columns = [now + pd.DateOffset(i) for i in range(DIM)]
+df = pd.DataFrame(data=data, columns=columns)
+
+# Calculate mean/min/max/sum per month.
+try:
+    df.resample("M", axis=1).aggregate(["mean", "min", "max", "sum"])
+except NotImplementedError as e:
+    print(e)