8000 PERF: nunique perf can be improved by using len(unique) rather than value_counts · Issue #9354 · pandas-dev/pandas · GitHub
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PERF: nunique perf can be improved by using len(unique) rather than value_counts #9354
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PERF: nunique perf can be improved by using len(unique) rather than value_counts#9354
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PerformanceMemory or execution speed performance
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0.16.0
@jreback

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jreback
opened on Jan 25, 2015

xref #7784

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