id,node_id,number,title,user,state,locked,assignee,milestone,comments,created_at,updated_at,closed_at,author_association,active_lock_reason,draft,pull_request,body,reactions,performed_via_github_app,state_reason,repo,type 1268821199,I_kwDOAMm_X85LoKzP,6691,Rolling.argmin() and Rolling.argmax() over multiple dimensions does not work,90059220,open,0,,,2,2022-06-13T02:42:14Z,2022-06-17T02:54:27Z,,NONE,,,,"### What is your issue? I am working with `xarray.core.rolling.DataArrayRolling` objects and for some obscure reason, they raise the following error when the `.argmin()` and `.argmax()` methods are used: ``` window_size = {name: n for name in ['lat', 'lon']} window = data_nc.rolling(window_size, center=True) peak_min = window.argmin() peak_max = window.argmax() Traceback (most recent call last): Input In [48] in File ~\Installed_Programs\Anaconda3\envs\phd\lib\site-packages\xarray\core\rolling.py:122 in method return self._numpy_or_bottleneck_reduce( File ~\Installed_Programs\Anaconda3\envs\phd\lib\site-packages\xarray\core\rolling.py:541 in _numpy_or_bottleneck_reduce return self.reduce(array_agg_func, keep_attrs=keep_attrs, **kwargs) File ~\Installed_Programs\Anaconda3\envs\phd\lib\site-packages\xarray\core\rolling.py:428 in reduce result = windows.reduce( File ~\Installed_Programs\Anaconda3\envs\phd\lib\site-packages\xarray\core\dataarray.py:2696 in reduce var = self.variable.reduce(func, dim, axis, keep_attrs, keepdims, **kwargs) File ~\Installed_Programs\Anaconda3\envs\phd\lib\site-packages\xarray\core\variable.py:1804 in reduce data = func(self.data, axis=axis, **kwargs) File ~\Installed_Programs\Anaconda3\envs\phd\lib\site-packages\xarray\core\duck_array_ops.py:335 in f return func(values, axis=axis, **kwargs) File <__array_function__ internals>:180 in argmax File ~\Installed_Programs\Anaconda3\envs\phd\lib\site-packages\numpy\core\fromnumeric.py:1216 in argmax return _wrapfunc(a, 'argmax', axis=axis, out=out, **kwds) File ~\Installed_Programs\Anaconda3\envs\phd\lib\site-packages\numpy\core\fromnumeric.py:66 in _wrapfunc return _wrapit(obj, method, *args, **kwds) File ~\Installed_Programs\Anaconda3\envs\phd\lib\site-packages\numpy\core\fromnumeric.py:43 in _wrapit result = getattr(asarray(obj), method)(*args, **kwds) TypeError: 'tuple' object cannot be interpreted as an integer `````` As far as I understand, these methods are included based on the `xarray` documentation, so it should work as `.min()`, `.max()` or `.mean()` are working fine: [https://docs.xarray.dev/en/stable/generated/xarray.core.rolling.DataArrayRolling.argmax.html](url) Any insight on what I am doing wrong ?","{""url"": ""https://api.github.com/repos/pydata/xarray/issues/6691/reactions"", ""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,,13221727,issue