jStat - npm Package Compare versions

Comparing version 1.6.0 to 1.6.1

dist/jstat.min.js

@@ -1,2 +0,2 @@
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g=1;g<f-1;g++)i[g]=[],j[g]=[],i[g][g-1]=m[g-1],i[g][g]=2*(m[g-1]+m[g]),i[g][g+1]=m[g],j[g][0]=k[g];l=a.multiply(a.inv(i),j);for(h=0;h<f-1;h++)n[h]=(d[h+1]-d[h])/m[h]-m[h]*(l[h+1][0]+2*l[h][0])/3,o[h]=(l[h+1][0]-l[h][0])/(3*m[h]);for(h=0;h<f;h++)if(c[h]>e)break;return h-=1,d[h]+(e-c[h])*n[h]+a.sq(e-c[h])*l[h]+(e-c[h])*a.sq(e-c[h])*o[h]},gauss_quadrature:function(){throw new Error("gauss_quadrature not yet implemented")},PCA:function(c){var d=c.length,e=c[0].length,f=!1,g=0,h,i,j=[],k=[],l=[],m=[],n=[],o=[],p=[],q=[],r=[],s=[];for(var g=0;g<d;g++)j[g]=a.sum(c[g])/e;for(var g=0;g<e;g++){p[g]=[];for(h=0;h<d;h++)p[g][h]=c[h][g]-j[h]}p=a.transpose(p);for(var g=0;g<d;g++){q[g]=[];for(h=0;h<d;h++)q[g][h]=a.dot([p[g]],[p[h]])/(e-1)}l=a.jacobi(q),r=l[0],k=l[1],s=a.transpose(r);for(var g=0;g<k.length;g++)for(h=g;h<k.length;h++)k[g]<k[h]&&(i=k[g],k[g]=k[h],k[h]=i,m=s[g],s[g]=s[h],s[h]=m);o=a.transpose(p);for(var g=0;g<d;g++){n[g]=[];for(h=0;h<o.length;h++)n[g][h]=a.dot([s[g]],[o[h]])}return[c,k,s,n]}}),function(b){for(var c=0;c<b.length;c++)(function(b){a.fn[b]=function(c,d){var e=this;return d?(setTimeout(function(){d.call(e,a.fn[b].call(e,c))},15),this):typeof a[b](this,c)=="number"?a[b](this,c):a(a[b](this,c))}})(b[c])}("add divide multiply subtract dot pow exp log abs norm angle".split(" "))}(this.jStat,Math),function(a,b){function f(a,c,d,e){if(a>1||d>1||a<=0||d<=0)throw new Error("Proportions should be greater than 0 and less than 1");var f=(a*c+d*e)/(c+e),g=b.sqrt(f*(1-f)*(1/c+1/e));return(a-d)/g}var c=[].slice,d=a.utils.isNumber,e=a.utils.isArray;a.extend({zscore:function(){var e=c.call(arguments);return d(e[1])?(e[0]-e[1])/e[2]:(e[0]-a.mean(e[1]))/a.stdev(e[1],e[2])},ztest:function(){var f=c.call(arguments),g;return 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f.length===5?(g=b.abs(a.tscore(f[0],f[1],f[2],f[3])),f[4]===1?a.studentt.cdf(-g,f[3]-1):a.studentt.cdf(-g,f[3]-1)*2):d(f[1])?(g=b.abs(f[0]),f[2]==1?a.studentt.cdf(-g,f[1]-1):a.studentt.cdf(-g,f[1]-1)*2):(g=b.abs(a.tscore(f[0],f[1])),f[2]==1?a.studentt.cdf(-g,f[1].length-1):a.studentt.cdf(-g,f[1].length-1)*2)}}),a.extend(a.fn,{tscore:function(c){return(c-this.mean())/(this.stdev(!0)/b.sqrt(this.cols()))},ttest:function(d,e){return e===1?1-a.studentt.cdf(b.abs(this.tscore(d)),this.cols()-1):a.studentt.cdf(-b.abs(this.tscore(d)),this.cols()-1)*2}}),a.extend({anovafscore:function(){var e=c.call(arguments),f,g,h,i,j,k,l,m;if(e.length===1){j=new Array(e[0].length);for(var l=0;l<e[0].length;l++)j[l]=e[0][l];e=j}if(e.length===2)return a.variance(e[0])/a.variance(e[1]);g=new Array;for(var l=0;l<e.length;l++)g=g.concat(e[l]);h=a.mean(g),f=0;for(var l=0;l<e.length;l++)f+=e[l].length*b.pow(a.mean(e[l])-h,2);f/=e.length-1,k=0;for(var 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d=c.call(arguments),e;d.length===3?(e=d[0],d=d.slice(1)):d.length===7?(e=a.qscore(d[0],d[1],d[2],d[3],d[4]),d=d.slice(5)):(e=a.qscore(d[0],d[1],d[2]),d=d.slice(3));var f=d[0],g=d[1];return 1-a.tukey.cdf(e,g,f-g)},tukeyhsd:function(c){var d=a.pooledstdev(c),e=c.map(function(b){return a.mean(b)}),f=c.reduce(function(a,b){return a+b.length},0),g=[];for(var h=0;h<c.length;++h)for(var i=h+1;i<c.length;++i){var j=a.qtest(e[h],e[i],c[h].length,c[i].length,d,f,c.length);g.push([[h,i],j])}return g}}),a.extend({normalci:function(){var e=c.call(arguments),f=new Array(2),g;return e.length===4?g=b.abs(a.normal.inv(e[1]/2,0,1)*e[2]/b.sqrt(e[3])):g=b.abs(a.normal.inv(e[1]/2,0,1)*a.stdev(e[2])/b.sqrt(e[2].length)),f[0]=e[0]-g,f[1]=e[0]+g,f},tci:function(){var e=c.call(arguments),f=new Array(2),g;return e.length===4?g=b.abs(a.studentt.inv(e[1]/2,e[3]-1)*e[2]/b.sqrt(e[3])):g=b.abs(a.studentt.inv(e[1]/2,e[2].length-1)*a.stdev(e[2],!0)/b.sqrt(e[2].length)),f[0]=e[0]-g,f[1]=e[0]+g,f},significant:function(b,c){return b<c}}),a.extend(a.fn,{normalci:function(c,d){return a.normalci(c,d,this.toArray())},tci:function(c,d){return a.tci(c,d,this.toArray())}}),a.extend(a.fn,{oneSidedDifferenceOfProportions:function(c,d,e,g){var h=f(c,d,e,g);return a.ztest(h,1)},twoSidedDifferenceOfProportions:function(c,d,e,g){var h=f(c,d,e,g);return a.ztest(h,2)}})}(this.jStat,Math),this.jStat.models=function(){function a(a,c){return b(a,c)}function a(a){var c=a[0].length,d=jStat.arange(c).map(function(d){var e=jStat.arange(c).filter(function(a){return a!==d});return b(jStat.col(a,d).map(function(a){return a[0]}),jStat.col(a,e))});return d}function b(a,b){var c=a.length,d=b[0].length-1,e=c-d-1,f=jStat.lstsq(b,a),g=jStat.multiply(b,f.map(function(a){return[a]})).map(function(a){return a[0]}),h=jStat.subtract(a,g),i=jStat.mean(a),j=jStat.sum(g.map(function(a){return Math.pow(a-i,2)})),k=jStat.sum(a.map(function(a,b){return Math.pow(a-g[b],2)})),l=j+k,m=j/l;return{exog:b,endog:a,nobs:c,df_model:d,df_resid:e,coef:f,predict:g,resid:h,ybar:i,SST:l,SSE:j,SSR:k,R2:m}}function c(b){var c=a(b.exog),d=Math.sqrt(b.SSR/b.df_resid),e=c.map(function(a){var b=a.SST,c=a.R2;return d/Math.sqrt(b*(1-c))}),f=b.coef.map(function(a,b){return(a-0)/e[b]}),g=f.map(function(a){var c=jStat.studentt.cdf(a,b.df_resid);return(c>.5?1-c:c)*2}),h=jStat.studentt.inv(.975,b.df_resid),i=b.coef.map(function(a,b){var c=h*e[b];return[a-c,a+c]});return{se:e,t:f,p:g,sigmaHat:d,interval95:i}}function d(a){var b=a.R2/a.df_model/((1-a.R2)/a.df_resid),c=function(a,b,c){return jStat.beta.cdf(a/(c/b+a),b/2,c/2)},d=1-c(b,a.df_model,a.df_resid);return{F_statistic:b,pvalue:d}}function e(a,e){var f=b(a,e),g=c(f),h=d(f),i=1-(1-f.rsquared)*((f.nobs-1)/f.df_resid);return f.t=g,f.f=h,f.adjust_R2=i,f}return{ols:e}}();

package.json

 {
   "name" : "jStat",
-  "version" : "1.6.0",
+  "version" : "1.6.1",
   "description" : "Statistical Library for JavaScript",
@@ -5,0 +5,0 @@ "homepage" : "http://github.com/jstat/jstat",

src/linearalgebra.js

@@ -278,2 +278,3 @@ /* Provides functions for the solution of linear system of equations, integration, extrapolation,
     w = m[0].length;
+    var c = 0;
     // find max pivot
@@ -280,0 +281,0 @@ for (var y = 0; y < h; y++) {

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