27 lines
732 B
Markdown
27 lines
732 B
Markdown
# Unique
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{:.no_toc}
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<nav markdown="1" class="toc-class">
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* TOC
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{:toc}
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</nav>
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## The goal
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Questions to [David Rotermund](mailto:davrot@uni-bremen.de)
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## [numpy.unique](https://numpy.org/doc/stable/reference/generated/numpy.unique.html)
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```python
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numpy.unique(ar, return_index=False, return_inverse=False, return_counts=False, axis=None, *, equal_nan=True)
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```
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> Find the unique elements of an array.
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>
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> Returns the sorted unique elements of an array. There are three optional outputs in addition to the unique elements:
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> * the indices of the input array that give the unique values
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> * the indices of the unique array that reconstruct the input array
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> * the number of times each unique value comes up in the input array
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