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Faster computation of quantiles in describe #2909

Merged
merged 2 commits into from
Oct 16, 2021
Merged

Faster computation of quantiles in describe #2909

merged 2 commits into from
Oct 16, 2021

Commits on Oct 15, 2021

  1. Faster computation of quantiles in describe 

    Computing all quantiles when we only need the median is signficantly slower.
Also avoid trying to compute quantiles for string columns since the failure
only happens after sorting the vector, which is almost all of the work.
    @nalimilan
    nalimilan committed Oct 15, 2021
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  2. More general approach

    @nalimilan
    nalimilan committed Oct 15, 2021
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