September 2017 Update
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Task/Statistics-Basic/Zkl/statistics-basic-1.zkl
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Task/Statistics-Basic/Zkl/statistics-basic-1.zkl
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fcn mean(ns) { ns.sum(0.0)/ns.len() }
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fcn stdDev(ns){
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m:=mean(ns); (ns.reduce('wrap(p,n){ x:=(n-m); p+x*x },0.0)/ns.len()).sqrt()
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}
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