From 32d4dc3d7e34beab673774b570752b4a477a135e Mon Sep 17 00:00:00 2001
From: Philipp Rudiger
Date: Sat, 11 Mar 2017 20:44:54 +0000
Subject: [PATCH] Implemented general xarray aggregate/reduce
---
holoviews/core/data/xarray.py | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)
diff --git a/holoviews/core/data/xarray.py b/holoviews/core/data/xarray.py
index 3dddac32ce..4dbba497c3 100644
--- a/holoviews/core/data/xarray.py
+++ b/holoviews/core/data/xarray.py
@@ -161,14 +161,8 @@ def values(cls, dataset, dim, expanded=True, flat=True):
@classmethod
def aggregate(cls, dataset, dimensions, function, **kwargs):
- if len(dimensions) > 1:
- raise NotImplementedError('Multi-dimensional aggregation not '
- 'supported as of xarray <=0.7.2.')
- elif not dimensions:
- return dataset.data.apply(function)
- else:
- dim = dataset.get_dimension(dimensions[0], strict=True)
- return dataset.data.groupby(dim.name).apply(function)
+ reduce_dims = [d.name for d in dataset.kdims if d not in dimensions]
+ return dataset.data.reduce(function, dim=reduce_dims)
@classmethod