[Pkg-javascript-commits] [science.js] 77/87: Add test for gaussian.pdf.

[bhuvan krishna]

This is an automated email from the git hooks/post-receive script.

bhuvan-guest pushed a commit to branch master
in repository science.js.

commit ddd4a0ac08d757249fe1b0faed1f9348ef4a9d3a
Author: Jason Davies <jason at jasondavies.com>
Date:   Mon Jan 7 22:40:40 2013 +0000

    Add test for gaussian.pdf.
---
 science.v1.js                            | 4 ++--
 science.v1.min.js                        | 2 +-
 test/stats/distribution/gaussian-test.js | 5 +++--
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/science.v1.js b/science.v1.js
index cb39410..f39f1ff 100644
--- a/science.v1.js
+++ b/science.v1.js
@@ -1703,12 +1703,12 @@ science.stats.distribution.gaussian = function() {
   }
 
   gaussian.pdf = function(x) {
-    x = (x - mu) / sigma;
+    x = (x - mean) / sigma;
     return science_stats_distribution_gaussianConstant * Math.exp(-.5 * x * x) / sigma;
   };
 
   gaussian.cdf = function(x) {
-    x = (x - mu) / sigma;
+    x = (x - mean) / sigma;
     return .5 * (1 + science.stats.erf(x / Math.SQRT2));
   };
 
diff --git a/science.v1.min.js b/science.v1.min.js
index fcea727..274a1c9 100644
--- a/science.v1.min.js
+++ b/science.v1.min.js
@@ -1 +1 @@
-(function(a){(function(a){science={version:"1.9.1"},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.s [...]
\ No newline at end of file
+(function(a){(function(a){science={version:"1.9.1"},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.s [...]
\ No newline at end of file
diff --git a/test/stats/distribution/gaussian-test.js b/test/stats/distribution/gaussian-test.js
index ae3b4b5..337e88b 100644
--- a/test/stats/distribution/gaussian-test.js
+++ b/test/stats/distribution/gaussian-test.js
@@ -8,8 +8,9 @@ var suite = vows.describe("science.stats.distribution.gaussian");
 
 suite.addBatch({
   "gaussian": {
-    "simple": function() {
-      var gaussian = science.stats.distribution.gaussian;
+    topic: science.stats.distribution.gaussian,
+    "pdf": function(gaussian) {
+      assert.equal(gaussian.pdf(0), 1 / Math.sqrt(2 * Math.PI));
     }
   }
 });

-- 
Alioth's /usr/local/bin/git-commit-notice on /srv/git.debian.org/git/pkg-javascript/science.js.git