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by djk447
1745 days ago
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NB: Post author here. Totally can be true. In our case, we use these approximation methods that allow you to get multiple percentiles "for free" definitely need to choose the right ones for the job. (We talk a bit more about the whole approach where we do the aggregation then the accessor thing in the previous post on two-step aggregation [1]). But there are definitely times when averages/stddev and potentially the 3rd and 4th moments are more useful etc. [1]: https://blog.timescale.com/blog/how-postgresql-aggregation-w... |
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