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science - npm Package Compare versions

Comparing version 1.9.0 to 1.9.1

2

package.json
{
"name": "science",
"version": "1.9.0",
"version": "1.9.1",
"description": "Scientific and statistical computing in JavaScript.",

@@ -5,0 +5,0 @@ "keywords": [

9

README.md

@@ -12,2 +12,11 @@ # Science.js

## Development
To help develop Science.js, you need to have [Node.js](http://www.nodejs.org)
and [NPM](http://www.npmjs.org) installed. Once you have done that, run the
following from the root directory of this repository to install the development
dependencies:
make install
## Thanks

@@ -14,0 +23,0 @@

11

science.v1.js

@@ -1,2 +0,4 @@

(function(){science = {version: "1.9.0"}; // semver
(function(exports){
(function(exports){
var science = exports.science = {version: "1.9.1"}; // semver
science.ascending = function(a, b) {

@@ -72,2 +74,4 @@ return a - b;

};
})(this);
(function(exports){
science.lin = {};

@@ -960,2 +964,4 @@ science.lin.decompose = function() {

};
})(this);
(function(exports){
science.stats = {};

@@ -1737,2 +1743,3 @@ // Bandwidth selectors for Gaussian kernels.

science_stats_distribution_gaussianConstant = 1 / Math.sqrt(2 * Math.PI);
})();
})(this);
})(this);

2

science.v1.min.js

@@ -1,1 +0,1 @@

(function(){function a(a,b,c){var d=c.length;for(var e=0;e<d;e++)a[e]=c[d-1][e];for(var f=d-1;f>0;f--){var g=0,h=0;for(var i=0;i<f;i++)g+=Math.abs(a[i]);if(g===0){b[f]=a[f-1];for(var e=0;e<f;e++)a[e]=c[f-1][e],c[f][e]=0,c[e][f]=0}else{for(var i=0;i<f;i++)a[i]/=g,h+=a[i]*a[i];var j=a[f-1],k=Math.sqrt(h);j>0&&(k=-k),b[f]=g*k,h-=j*k,a[f-1]=j-k;for(var e=0;e<f;e++)b[e]=0;for(var e=0;e<f;e++){j=a[e],c[e][f]=j,k=b[e]+c[e][e]*j;for(var i=e+1;i<=f-1;i++)k+=c[i][e]*a[i],b[i]+=c[i][e]*j;b[e]=k}j=0;for(var e=0;e<f;e++)b[e]/=h,j+=b[e]*a[e];var l=j/(h+h);for(var e=0;e<f;e++)b[e]-=l*a[e];for(var e=0;e<f;e++){j=a[e],k=b[e];for(var i=e;i<=f-1;i++)c[i][e]-=j*b[i]+k*a[i];a[e]=c[f-1][e],c[f][e]=0}}a[f]=h}for(var f=0;f<d-1;f++){c[d-1][f]=c[f][f],c[f][f]=1;var h=a[f+1];if(h!=0){for(var i=0;i<=f;i++)a[i]=c[i][f+1]/h;for(var e=0;e<=f;e++){var k=0;for(var i=0;i<=f;i++)k+=c[i][f+1]*c[i][e];for(var i=0;i<=f;i++)c[i][e]-=k*a[i]}}for(var i=0;i<=f;i++)c[i][f+1]=0}for(var e=0;e<d;e++)a[e]=c[d-1][e],c[d-1][e]=0;c[d-1][d-1]=1,b[0]=0}function b(a,b,c){var d=c.length;for(var e=1;e<d;e++)b[e-1]=b[e];b[d-1]=0;var f=0,g=0,h=1e-12;for(var i=0;i<d;i++){g=Math.max(g,Math.abs(a[i])+Math.abs(b[i]));var j=i;while(j<d){if(Math.abs(b[j])<=h*g)break;j++}if(j>i){var k=0;do{k++;var l=a[i],m=(a[i+1]-l)/(2*b[i]),n=science.hypot(m,1);m<0&&(n=-n),a[i]=b[i]/(m+n),a[i+1]=b[i]*(m+n);var o=a[i+1],p=l-a[i];for(var e=i+2;e<d;e++)a[e]-=p;f+=p,m=a[j];var q=1,r=q,s=q,t=b[i+1],u=0,v=0;for(var e=j-1;e>=i;e--){s=r,r=q,v=u,l=q*b[e],p=q*m,n=science.hypot(m,b[e]),b[e+1]=u*n,u=b[e]/n,q=m/n,m=q*a[e]-u*l,a[e+1]=p+u*(q*l+u*a[e]);for(var w=0;w<d;w++)p=c[w][e+1],c[w][e+1]=u*c[w][e]+q*p,c[w][e]=q*c[w][e]-u*p}m=-u*v*s*t*b[i]/o,b[i]=u*m,a[i]=q*m}while(Math.abs(b[i])>h*g)}a[i]=a[i]+f,b[i]=0}for(var e=0;e<d-1;e++){var w=e,m=a[e];for(var x=e+1;x<d;x++)a[x]<m&&(w=x,m=a[x]);if(w!=e){a[w]=a[e],a[e]=m;for(var x=0;x<d;x++)m=c[x][e],c[x][e]=c[x][w],c[x][w]=m}}}function c(a,b){var c=a.length,d=[],e=0,f=c-1;for(var g=e+1;g<f;g++){var h=0;for(var i=g;i<=f;i++)h+=Math.abs(a[i][g-1]);if(h!==0){var j=0;for(var i=f;i>=g;i--)d[i]=a[i][g-1]/h,j+=d[i]*d[i];var k=Math.sqrt(j);d[g]>0&&(k=-k),j-=d[g]*k,d[g]=d[g]-k;for(var l=g;l<c;l++){var m=0;for(var i=f;i>=g;i--)m+=d[i]*a[i][l];m/=j;for(var i=g;i<=f;i++)a[i][l]-=m*d[i]}for(var i=0;i<=f;i++){var m=0;for(var l=f;l>=g;l--)m+=d[l]*a[i][l];m/=j;for(var l=g;l<=f;l++)a[i][l]-=m*d[l]}d[g]=h*d[g],a[g][g-1]=h*k}}for(var i=0;i<c;i++)for(var l=0;l<c;l++)b[i][l]=i===l?1:0;for(var g=f-1;g>=e+1;g--)if(a[g][g-1]!==0){for(var i=g+1;i<=f;i++)d[i]=a[i][g-1];for(var l=g;l<=f;l++){var k=0;for(var i=g;i<=f;i++)k+=d[i]*b[i][l];k=k/d[g]/a[g][g-1];for(var i=g;i<=f;i++)b[i][l]+=k*d[i]}}}function d(a,b,c,d){var f=c.length,g=f-1,h=0,i=f-1,j=1e-12,k=0,l=0,m=0,n=0,o=0,p=0,q,r,s,t,u=0;for(var v=0;v<f;v++){if(v<h||v>i)a[v]=c[v][v],b[v]=0;for(var w=Math.max(v-1,0);w<f;w++)u+=Math.abs(c[v][w])}var x=0;while(g>=h){var y=g;while(y>h){o=Math.abs(c[y-1][y-1])+Math.abs(c[y][y]),o===0&&(o=u);if(Math.abs(c[y][y-1])<j*o)break;y--}if(y===g)c[g][g]=c[g][g]+k,a[g]=c[g][g],b[g]=0,g--,x=0;else if(y===g-1){r=c[g][g-1]*c[g-1][g],l=(c[g-1][g-1]-c[g][g])/2,m=l*l+r,p=Math.sqrt(Math.abs(m)),c[g][g]=c[g][g]+k,c[g-1][g-1]=c[g-1][g-1]+k,s=c[g][g];if(m>=0){p=l+(l>=0?p:-p),a[g-1]=s+p,a[g]=a[g-1],p!==0&&(a[g]=s-r/p),b[g-1]=0,b[g]=0,s=c[g][g-1],o=Math.abs(s)+Math.abs(p),l=s/o,m=p/o,n=Math.sqrt(l*l+m*m),l/=n,m/=n;for(var w=g-1;w<f;w++)p=c[g-1][w],c[g-1][w]=m*p+l*c[g][w],c[g][w]=m*c[g][w]-l*p;for(var v=0;v<=g;v++)p=c[v][g-1],c[v][g-1]=m*p+l*c[v][g],c[v][g]=m*c[v][g]-l*p;for(var v=h;v<=i;v++)p=d[v][g-1],d[v][g-1]=m*p+l*d[v][g],d[v][g]=m*d[v][g]-l*p}else a[g-1]=s+l,a[g]=s+l,b[g-1]=p,b[g]=-p;g-=2,x=0}else{s=c[g][g],t=0,r=0,y<g&&(t=c[g-1][g-1],r=c[g][g-1]*c[g-1][g]);if(x==10){k+=s;for(var v=h;v<=g;v++)c[v][v]-=s;o=Math.abs(c[g][g-1])+Math.abs(c[g-1][g-2]),s=t=.75*o,r=-0.4375*o*o}if(x==30){o=(t-s)/2,o=o*o+r;if(o>0){o=Math.sqrt(o),t<s&&(o=-o),o=s-r/((t-s)/2+o);for(var v=h;v<=g;v++)c[v][v]-=o;k+=o,s=t=r=.964}}x++;var z=g-2;while(z>=y){p=c[z][z],n=s-p,o=t-p,l=(n*o-r)/c[z+1][z]+c[z][z+1],m=c[z+1][z+1]-p-n-o,n=c[z+2][z+1],o=Math.abs(l)+Math.abs(m)+Math.abs(n),l/=o,m/=o,n/=o;if(z==y)break;if(Math.abs(c[z][z-1])*(Math.abs(m)+Math.abs(n))<j*Math.abs(l)*(Math.abs(c[z-1][z-1])+Math.abs(p)+Math.abs(c[z+1][z+1])))break;z--}for(var v=z+2;v<=g;v++)c[v][v-2]=0,v>z+2&&(c[v][v-3]=0);for(var A=z;A<=g-1;A++){var B=A!=g-1;A!=z&&(l=c[A][A-1],m=c[A+1][A-1],n=B?c[A+2][A-1]:0,s=Math.abs(l)+Math.abs(m)+Math.abs(n),s!=0&&(l/=s,m/=s,n/=s));if(s==0)break;o=Math.sqrt(l*l+m*m+n*n),l<0&&(o=-o);if(o!=0){A!=z?c[A][A-1]=-o*s:y!=z&&(c[A][A-1]=-c[A][A-1]),l+=o,s=l/o,t=m/o,p=n/o,m/=l,n/=l;for(var 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C=e(0,-c[g-1][g],c[g-1][g-1]-l,m);c[g-1][g-1]=C[0],c[g-1][g]=C[1]}c[g][g-1]=0,c[g][g]=1;for(var v=g-2;v>=0;v--){var D=0,E=0,F,G;for(var w=y;w<=g;w++)D+=c[v][w]*c[w][g-1],E+=c[v][w]*c[w][g];r=c[v][v]-l;if(b[v]<0)p=r,n=D,o=E;else{y=v;if(b[v]==0){var C=e(-D,-E,r,m);c[v][g-1]=C[0],c[v][g]=C[1]}else{s=c[v][v+1],t=c[v+1][v],F=(a[v]-l)*(a[v]-l)+b[v]*b[v]-m*m,G=(a[v]-l)*2*m,F==0&G==0&&(F=j*u*(Math.abs(r)+Math.abs(m)+Math.abs(s)+Math.abs(t)+Math.abs(p)));var C=e(s*n-p*D+m*E,s*o-p*E-m*D,F,G);c[v][g-1]=C[0],c[v][g]=C[1];if(Math.abs(s)>Math.abs(p)+Math.abs(m))c[v+1][g-1]=(-D-r*c[v][g-1]+m*c[v][g])/s,c[v+1][g]=(-E-r*c[v][g]-m*c[v][g-1])/s;else{var C=e(-n-t*c[v][g-1],-o-t*c[v][g],p,m);c[v+1][g-1]=C[0],c[v+1][g]=C[1]}}q=Math.max(Math.abs(c[v][g-1]),Math.abs(c[v][g]));if(j*q*q>1)for(var w=v;w<=g;w++)c[w][g-1]=c[w][g-1]/q,c[w][g]=c[w][g]/q}}}}for(var v=0;v<f;v++)if(v<h||v>i)for(var w=v;w<f;w++)d[v][w]=c[v][w];for(var w=f-1;w>=h;w--)for(var v=h;v<=i;v++){p=0;for(var A=h;A<=Math.min(w,i);A++)p+=d[v][A]*c[A][w];d[v][w]=p}}function e(a,b,c,d){if(Math.abs(c)>Math.abs(d)){var e=d/c,f=c+e*d;return[(a+e*b)/f,(b-e*a)/f]}var e=c/d,f=d+e*c;return[(e*a+b)/f,(e*b-a)/f]}function f(a,b){if(!a||!b||a.length!==b.length)return!1;var c=a.length,d=-1;while(++d<c)if(a[d]!==b[d])return!1;return!0}function g(a,b){var c=b.length;if(a>c)return null;var d=[],e=[],g={},h=0,i=0,j,k,l;while(i<a){if(h===c)return null;var m=Math.floor(Math.random()*c);if(m in g)continue;g[m]=1,h++,k=b[m],l=!0;for(j=0;j<i;j++)if(f(k,d[j])){l=!1;break}l&&(d[i]=k,e[i]=m,i++)}return d}function h(a,b,c,d){var e=[],f=a+c,g=b.length,h=-1;while(++h<g)e[h]=(a*b[h]+c*d[h])/f;return e}function i(a){var b=a.length,c=-1;while(++c<b)if(!isFinite(a[c]))return!1;return!0}function j(a){var b=a.length,c=0;while(++c<b)if(a[c-1]>=a[c])return!1;return!0}function k(a){return(a=1-a*a*a)*a*a}function l(a,b,c,d){var e=d[0],f=d[1],g=m(b,f);if(g<a.length&&a[g]-a[c]<a[c]-a[e]){var h=m(b,e);d[0]=h,d[1]=g}}function m(a,b){var c=b+1;while(c<a.length&&a[c]===0)c++;return c}science={version:"1.9.0"},science.ascending=function(a,b){return a-b},science.EULER=.5772156649015329,science.expm1=function(a){return a<1e-5&&a>-0.00001?a+.5*a*a:Math.exp(a)-1},science.functor=function(a){return typeof a=="function"?a:function(){return a}},science.hypot=function(a,b){a=Math.abs(a),b=Math.abs(b);var c,d;a>b?(c=a,d=b):(c=b,d=a);var e=d/c;return c*Math.sqrt(1+e*e)},science.quadratic=function(){function b(b,c,d){var e=c*c-4*b*d;return e>0?(e=Math.sqrt(e)/(2*b),a?[{r:-c-e,i:0},{r:-c+e,i:0}]:[-c-e,-c+e]):e===0?(e=-c/(2*b),a?[{r:e,i:0}]:[e]):a?(e=Math.sqrt(-e)/(2*b),[{r:-c,i:-e},{r:-c,i:e}]):[]}var a=!1;return b.complex=function(c){return arguments.length?(a=c,b):a},b},science.zeroes=function(a){var b=-1,c=[];if(arguments.length===1)while(++b<a)c[b]=0;else while(++b<a)c[b]=science.zeroes.apply(this,Array.prototype.slice.call(arguments,1));return c},science.lin={},science.lin.decompose=function(){function e(e){var f=e.length,g=[],h=[],i=[];for(var j=0;j<f;j++)g[j]=[],h[j]=[],i[j]=[];var k=!0;for(var l=0;l<f;l++)for(var j=0;j<f;j++)if(e[j][l]!==e[l][j]){k=!1;break}if(k){for(var j=0;j<f;j++)g[j]=e[j].slice();a(h,i,g),b(h,i,g)}else{var m=[];for(var j=0;j<f;j++)m[j]=e[j].slice();c(m,g),d(h,i,m,g)}var n=[];for(var j=0;j<f;j++){var o=n[j]=[];for(var l=0;l<f;l++)o[l]=j===l?h[j]:0;n[j][i[j]>0?j+1:j-1]=i[j]}return{D:n,V:g}}return e},science.lin.cross=function(a,b){return[a[1]*b[2]-a[2]*b[1],a[2]*b[0]-a[0]*b[2],a[0]*b[1]-a[1]*b[0]]},science.lin.dot=function(a,b){var c=0,d=-1,e=Math.min(a.length,b.length);while(++d<e)c+=a[d]*b[d];return c},science.lin.length=function(a){return Math.sqrt(science.lin.dot(a,a))},science.lin.normalize=function(a){var b=science.lin.length(a);return a.map(function(a){return a/b})},science.lin.determinant=function(a){var b=a[0].concat(a[1]).concat(a[2]).concat(a[3]);return 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j=a[e][e];f=-1;while(++f<e){g=d;while(--g>=e)a[f][g]-=a[e][g]*a[f][e]/j}a[e][e]/=j,g=c-1;while(++g<d)a[e][g]/=j}return!0},science.lin.inverse=function(a){var b=a.length,c=-1;if(b!==a[0].length)return;a=a.map(function(a,c){var d=new Array(b),e=-1;while(++e<b)d[e]=c===e?1:0;return a.concat(d)}),science.lin.gaussjordan(a);while(++c<b)a[c]=a[c].slice(b);return a},science.lin.multiply=function(a,b){var c=a.length,d=b[0].length,e=b.length,f=-1,g,h;if(e!==a[0].length)throw{error:"columns(a) != rows(b); "+a[0].length+" != "+e};var i=new Array(c);while(++f<c){i[f]=new Array(d),g=-1;while(++g<d){var j=0;h=-1;while(++h<e)j+=a[f][h]*b[h][g];i[f][g]=j}}return i},science.lin.transpose=function(a){var b=a.length,c=a[0].length,d=-1,e,f=new Array(c);while(++d<c){f[d]=new Array(b),e=-1;while(++e<b)f[d][e]=a[e][d]}return f},science.lin.tridag=function(a,b,c,d,e,f){var 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a=science.stats.distance.euclidean,d=1e3,e=1;return f.k=function(a){return arguments.length?(e=a,f):e},f.distance=function(b){return arguments.length?(a=b,f):a},f},science.stats.hcluster=function(){function c(c){var e=c.length,f=[],g=[],h=[],i=[],j,k,l,m,n,o,p,q;p=-1;while(++p<e){f[p]=0,h[p]=[],q=-1;while(++q<e)h[p][q]=p===q?Infinity:a(c[p],c[q]),h[p][f[p]]>h[p][q]&&(f[p]=q)}p=-1;while(++p<e)i[p]=[],i[p][0]={left:null,right:null,dist:0,centroid:c[p],size:1,depth:0},g[p]=1;for(n=0;n<e-1;n++){j=0;for(p=0;p<e;p++)h[p][f[p]]<h[j][f[j]]&&(j=p);k=f[j],l=i[j][0],m=i[k][0],newCluster={left:l,right:m,dist:h[j][k],centroid:d(l.size,l.centroid,m.size,m.centroid),size:l.size+m.size,depth:1+Math.max(l.depth,m.depth)},i[j].splice(0,0,newCluster),g[j]+=g[k];for(q=0;q<e;q++)switch(b){case"single":h[j][q]>h[k][q]&&(h[q][j]=h[j][q]=h[k][q]);break;case"complete":h[j][q]<h[k][q]&&(h[q][j]=h[j][q]=h[k][q]);break;case"average":h[q][j]=h[j][q]=(g[j]*h[j][q]+g[k]*h[k][q])/(g[j]+g[q])}h[j][j]=Infinity;for(p=0;p<e;p++)h[p][k]=h[k][p]=Infinity;for(q=0;q<e;q++)f[q]==k&&(f[q]=j),h[j][q]<h[j][f[j]]&&(f[j]=q);o=newCluster}return o}var a=science.stats.distance.euclidean,b="simple";return c.distance=function(b){return arguments.length?(a=b,c):a},c},science.stats.iqr=function(a){var b=science.stats.quantiles(a,[.25,.75]);return b[1]-b[0]},science.stats.loess=function(){function d(d,i,j){var k=d.length,l;if(k!==i.length)throw{error:"Mismatched array lengths"};if(k==0)throw{error:"At least one point required."};if(arguments.length<3){j=[],l=-1;while(++l<k)j[l]=1}e(d),e(i),e(j),f(d);if(k==1)return[i[0]];if(k==2)return[i[0],i[1]];var m=Math.floor(a*k);if(m<2)throw{error:"Bandwidth too small."};var n=[],o=[],p=[];l=-1;while(++l<k)n[l]=0,o[l]=0,p[l]=1;var q=-1;while(++q<=b){var r=[0,m-1],s;l=-1;while(++l<k){s=d[l],l>0&&h(d,j,l,r);var t=r[0],u=r[1],v=d[l]-d[t]>d[u]-d[l]?t:u,w=0,x=0,y=0,z=0,A=0,B=Math.abs(1/(d[v]-s));for(var C=t;C<=u;++C){var D=d[C],E=i[C],F=C<l?s-D:D-s,G=g(F*B)*p[C]*j[C],H=D*G;w+=G,x+=H,y+=D*H,z+=E*G,A+=E*H}var I=x/w,J=z/w,K=A/w,L=y/w,M=Math.sqrt(Math.abs(L-I*I))<c?0:(K-I*J)/(L-I*I),N=J-M*I;n[l]=M*s+N,o[l]=Math.abs(i[l]-n[l])}if(q===b)break;var O=o.slice();O.sort();var P=O[Math.floor(k/2)];if(Math.abs(P)<c)break;var Q,G;l=-1;while(++l<k)Q=o[l]/(6*P),p[l]=Q>=1?0:(G=1-Q*Q)*G}return n}var a=.3,b=2,c=1e-12;return d.bandwidth=function(b){return arguments.length?(a=b,d):b},d.robustnessIterations=function(a){return arguments.length?(b=a,d):a},d.accuracy=function(a){return arguments.length?(c=a,d):a},d},science.stats.mean=function(a){var b=a.length;if(b===0)return NaN;var c=0,d=-1;while(++d<b)c+=(a[d]-c)/(d+1);return c},science.stats.median=function(a){return science.stats.quantiles(a,[.5])[0]},science.stats.mode=function(a){a=a.slice().sort(science.ascending);var b,c=a.length,d=-1,e=d,f=null,g=0,h,i;while(++d<c)(i=a[d])!==f&&((h=d-e)>g&&(g=h,b=f),f=i,e=d);return b},science.stats.quantiles=function(a,b){a=a.slice().sort(science.ascending);var c=a.length-1;return b.map(function(b){if(b===0)return a[0];if(b===1)return a[c];var d=1+b*c,e=Math.floor(d),f=d-e,g=a[e-1];return f===0?g:g+f*(a[e]-g)})},science.stats.variance=function(a){var b=a.length;if(b<1)return NaN;if(b===1)return 0;var c=science.stats.mean(a),d=-1,e=0;while(++d<b){var f=a[d]-c;e+=f*f}return e/(b-1)},science.stats.distribution={},science.stats.distribution.gaussian=function(){function e(){var d,e,f,g;do d=2*a()-1,e=2*a()-1,f=d*d+e*e;while(f>=1||f===0);return b+c*d*Math.sqrt(-2*Math.log(f)/f)}var a=Math.random,b=0,c=1,d=1;return e.pdf=function(a){return a=(a-mu)/c,science_stats_distribution_gaussianConstant*Math.exp(-0.5*a*a)/c},e.cdf=function(a){return a=(a-mu)/c,.5*(1+science.stats.erf(a/Math.SQRT2))},e.mean=function(a){return arguments.length?(b=+a,e):b},e.variance=function(a){return arguments.length?(c=Math.sqrt(d=+a),e):d},e.random=function(b){return arguments.length?(a=b,e):a},e},science_stats_distribution_gaussianConstant=1/Math.sqrt(2*Math.PI)}(this)})(this);

2

src/core/core.js

@@ -1,1 +0,1 @@

science = {version: "1.9.0"}; // semver
var science = exports.science = {version: "1.9.1"}; // semver
src/end.js
src/start.js
Makefile

Sorry, the diff of this file is not supported yet

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