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jsonstats

jsonstats

install with npm i jsonstats -g

pipe ndjson numbers into jsonstats and you'll get summary statistics on stdout when the stream is done

example

~/src/js/jsonstats 🐈  cat test.json | jsonfilter num | jsonstats 
{"max":4,"min":1,"n":4,"_geometric_mean":24,"_reciprocal_sum":2.083333333333333,"mean":2.5,"ss":5,"sum":10,"_seen_this":1,"_mode":1,"_mode_valid":true,"variance":1.25,"standard_deviation":1.118033988749895,"geometric_mean":2.2133638394006434,"harmonic_mean":1.9200000000000004,"mode":1,"_max_seen":1,"_last":4}