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taoensso.tukey

Mini stats toolkit for Clojure/Script.

Mini stats toolkit for Clojure/Script.
raw docstring

rolling-summary-statsclj/s

(rolling-summary-stats)
(rolling-summary-stats {:keys [buffer-size buffer-init sstats-init merge-cb]
                        :or {buffer-size 100000.0}
                        :as opts})

EXPERIMENTAL, SUBJECT TO CHANGE! Returns a stateful RollingSummaryStats: (rss <num>) => Adds given number to internal buffer. (deref rss) => Flushes buffer if necessary, and returns a ?map of summary stats for all numbers ever added to rss: {:keys [n min max p25 ... p99 mean var mad]}.

Useful for summarizing any (possibly infinite) stream of numbers. Used by the Tufte profiling library, and the Carmine Redis library.

Options: :buffer-size - The maximum number of numbers that may be buffered before next (rss <num>) call will block to flush buffer and merge with any existing summary stats.

             Larger buffers mean better performance and more
             accurate stats, at the cost of more memory use.

:buffer-init - Initial buffer content, useful for persistent rss. :sstats-init - Initial summary stats, useful for persistent rss.

EXPERIMENTAL, SUBJECT TO CHANGE!
Returns a stateful RollingSummaryStats:
  (rss <num>) => Adds given number to internal buffer.
  (deref rss) => Flushes buffer if necessary, and returns a ?map
                 of summary stats for all numbers ever added to
                 rss: {:keys [n min max p25 ... p99 mean var mad]}.

Useful for summarizing any (possibly infinite) stream of numbers.
Used by the Tufte profiling library, and the Carmine Redis library.

Options:
  :buffer-size - The maximum number of numbers that may be buffered
                 before next (rss <num>) call will block to flush
                 buffer and merge with any existing summary stats.

                 Larger buffers mean better performance and more
                 accurate stats, at the cost of more memory use.

  :buffer-init - Initial buffer content, useful for persistent rss.
  :sstats-init - Initial summary stats,  useful for persistent rss.
raw docstring

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