diff options
| -rw-r--r-- | code/weightvis.js | 3 | ||||
| -rw-r--r-- | index.html | 15 |
2 files changed, 10 insertions, 8 deletions
diff --git a/code/weightvis.js b/code/weightvis.js index e3cec42..f61ec39 100644 --- a/code/weightvis.js +++ b/code/weightvis.js @@ -504,7 +504,7 @@ var NetVisualizer = (function() { NetVisualizer.prototype.activate = function(inputs) { // assumes the sigmoid function is used as activation - function activation(x) { return 0.5 + x / Math.sqrt(1 + 4 * x * x); } + function activation(x) { return 1 / (1 + Math.exp(-x)); } var weights = this.data[this.layout.data.batches-1][this.layout.data.epochs-1]; var lastLayerOut = inputs; var hasBias = false; @@ -525,6 +525,7 @@ var NetVisualizer = (function() { thisLayerOut[tar] = activation(thisLayerOut[tar]); } lastLayerOut = thisLayerOut; + //console.log("layer out", layer, lastLayerOut); } return lastLayerOut; }; @@ -138,14 +138,15 @@ <script type="text/javascript"> new VisIntegrater(function(c) { weightsWrapper.afterLoad(function() { - // TODO visualization - // TODO shhht… find rows with diff<5 first weightsWrapper.openIn(c); - var row = Math.floor(Math.random()*bostonset.length()); - console.log(row); - var inputs = bostonset.inputs(row); - console.log(bostonset.asOutput(weightsWrapper.activate(inputs)[0])); - console.log(bostonset.expectedOutput(row)); + var testRows = [400, 175, 454, 481, 476, 364, 377, 75, 103, 84, 458, 483]; + for(c=0; c<10; c++){ + //var row = testRows[Math.floor(Math.random()*testRows.length)]; + var row = Math.floor(Math.random()*bostonset.length()); + var inputs = bostonset.inputs(row); + console.log("calculated", bostonset.asOutput(weightsWrapper.activate(inputs)[0])); + console.log("real", bostonset.expectedOutput(row)); + } }); }, function(c) { weightsWrapper.remove(c); |