Created
October 2, 2010 16:06
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<html> | |
<title>10分で書くベイジアンフィルタ</title> | |
<script type="text/javascript"> | |
<!--// | |
function run() { | |
var hash = splitWord(form.classA.value); | |
var str = ""; | |
var sum = 0; | |
for (key in hash) { | |
str += key + ": " + hash[key] + ";¥n"; | |
sum += hash[key]; | |
} | |
form.out.value = str + "sum = " + sum; | |
} | |
function splitWord(str) { | |
var ret = []; | |
var pat = /[一-龠]+|[ぁ-ん]+|[ァ-ヴー]+|[a-zA-Z0-9]+|[a-zA-Z0-9]+/; | |
while (true) { | |
var m = str.match(pat); | |
if (m != null && m.length > 0 && m[0].length > 0) { | |
str = str.substring(RegExp.lastIndex); | |
if (ret[m[0]] != undefined) | |
ret[m[0]]++; | |
else | |
ret[m[0]] = 1; | |
} | |
else | |
break; | |
} | |
return ret; | |
} | |
//--> | |
</script> | |
<body> | |
<h1>10分で書くベイジアンフィルタ</h1> | |
<form name="form"> | |
Class A:<textarea name="classA" rows="10" cols="40"></textarea> | |
Class B:<textarea name="classB" rows="10" cols="40"></textarea><br /> | |
<input value="ベイズ判定" type="button" onclick="run()" /><br /> | |
out:<br /> | |
<textarea name="out" rows="10" cols="40"></textarea><br /> | |
</form> | |
</body> | |
</html> |
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