@stdlib/esm/stats/base/snanvariancetk.js

ES module distribution for Stdlib, a standard library for JavaScript and Node.js.

// This file is a part of stdlib. License is Apache-2.0: http://www.apache.org/licenses/LICENSE-2.0
import r from"./../../utils/define-nonenumerable-read-only-property.js";import a from"./../../number/float64/base/to-float32.js";var e=a;function n(r,a,n,t){var o,f,u,N,i,l,m;if(r<=0)return NaN;if(1===r||0===t)return(i=n[0])==i&&r-a>0?0:NaN;for(f=t<0?(1-r)*t:0,o=0,N=0,l=0,m=0;m<r;m++)(i=n[f])==i&&(o=e(o+e(i*i)),N=e(N+i),l+=1),f+=t;return(u=l-a)<=0?NaN:e(e(o-e(e(N/l)*N))/u)}var t=a;function o(r,a,e,n,o){var f,u,N,i,l,m,p;if(r<=0)return NaN;if(1===r||0===n)return(l=e[o])==l&&r-a>0?0:NaN;for(u=o,f=0,i=0,m=0,p=0;p<r;p++)(l=e[u])==l&&(f=t(f+t(l*l)),i=t(i+l),m+=1),u+=n;return(N=m-a)<=0?NaN:t(t(f-t(t(i/m)*i))/N)}var f=r,u=n,N=o;f(u,"ndarray",N);export default u;
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