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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"`numpy.nanstd` cannot be compatible with quantities","articleBody":"While running\r\n```python\r\nimport quantities as pq\r\nimport numpy as np\r\nassert(pq.__version__== '0.14.1')\r\nassert(np.__version__== '1.23.5')\r\nnp.nanstd([1.,2.]*pq.ms)\r\n```\r\nIt reports:\r\n```\r\nTraceback (most recent call last):\r\n  File \"/usr/local/lib/python3.10/dist-packages/numpy/core/fromnumeric.py\", line 2298, in sum\r\n    return _wrapreduction(a, np.add, 'sum', axis, dtype, out, keepdims=keepdims,\r\n  File \"/usr/local/lib/python3.10/dist-packages/numpy/core/fromnumeric.py\", line 84, in _wrapreduction\r\n    return reduction(axis=axis, out=out, **passkwargs)\r\nTypeError: Quantity.sum() got an unexpected keyword argument 'keepdims'\r\n```\r\n\r\nHowever\r\n```python\r\nnp.mean([1.,2.]*pq.ms)\r\nnp.std([1.,2.]*pq.ms)\r\nnp.nanmean([1.,2.]*pq.ms)\r\n```\r\nall works fine.\r\n\r\n","author":{"url":"https://github.com/disadone","@type":"Person","name":"disadone"},"datePublished":"2023-05-24T04:18:46.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/223/python-quantities/issues/223"}