function stats(a,b,c){var d=new Array();var e=new Array();d=splitDataset(b);if(undefined!==c)e=splitDataset(c);var f=undefined===window.decimal_places?2:window.decimal_places;switch(a){case'count':var g=d.length;break;case'max':var g=maximum(d);break;case'mean':var g=mean(d);break;case'median':var g=median(d);break;case'min':var g=minimum(d);break;case'st_dev':var g=Math.sqrt(variance(d));break;case'st_error':var g=st_error(d);break;case'sum':var g=sum(d);break;case't_test_one_sample':var g=t_test_one_sample(d,e);break;case't_test_paired':var g=t_test_paired(d,e);break;case'variance':var g=variance(d);break;default:return"ERROR: Not a defined function";break}if(a=="count"||a=="min"||a=="max"||a=="sum")return g;else return g.toFixed(f)};function setDecimalType(a){if(undefined===a||a!=",")return".";else return","};function splitDataset(a){var b=new Array();var c=a.split(",");for(var i=0;i<c.length;i++){if(parseFloat(c[i]))b[i]=parseFloat(c[i]);else return"ERROR: "+c[i]+" is not a number"}return b};function sortNumber(a,b){return a-b};function maximum(a){var b=a[0];for(var i=1;i<a.length;i++)b=Math.max(a[i],b);return b};function mean(a){var b=sum(a)/a.length;return b};function median(a){var b=a.sort(sortNumber);var c;if(a.length%2==0)c=(b[Math.ceil((a.length-1)/2)]+b[Math.floor((a.length-1)/2)])/2;else c=b[a.length/2];return c};function minimum(a){var b=a[0];for(var i=1;i<a.length;i++)b=Math.min(a[i],b);return b};function st_error(a){var b=Math.sqrt(variance(a)/a.length);return b};function sum(a){var b=0;for(var i=0;i<a.length;i++)b+=a[i];return b};function variance(a){var b=mean(a);var c=0;for(var i=0;i<a.length;i++)c+=Math.pow((a[i]-b),2);var d=c/(a.length-1);return d};