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sort by words matched then by frequency

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@7098 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
Tim Schaub
2008-05-08 08:56:38 +00:00
parent 8eee248117
commit c6d8d6d559
1 changed files with 26 additions and 4 deletions
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30
doc/examples.html
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@@ -98,9 +98,14 @@
for(exIndex in dict) {
var count = dict[exIndex];
if(scores[exIndex]) {
scores[exIndex] += count;
if(scores[exIndex][word]) {
scores[exIndex][word] += count;
} else {
scores[exIndex][word] = count;
}
} else {
scores[exIndex] = count;
scores[exIndex] = {};
scores[exIndex][word] = count;
}
}
}
@@ -111,9 +116,26 @@
ex.score = scores[j];
examples.push(ex);
}
// sort examples by descending score
// sort examples by first by number of words matched, then
// by word frequency
examples.sort(function(a, b) {
return (b.score - a.score);
var cmp;
var aWords = 0, bWords = 0;
var aScore = 0, bScore = 0;
for(var i in a.score) {
aScore += a.score[i];
aWords += 1;
}
for(var j in b.score) {
bScore += b.score[j];
bWords += 1;
}
if(aWords == bWords) {
cmp = bScore - aScore;
} else {
cmp = bWords - aWords;
}
return cmp;
});
}
listExamples(examples);