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實(shí)際應(yīng)用的文本分類算法,能有效實(shí)現(xiàn)快速,準(zhǔn)確的分類

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代碼片段和文件信息

/*************************************************************************/
/* ?*/
/* Source?code?for?use?with?See5/C5.0?Release?1.19 ?*/
/* ----------------------------------------------- ?*/
/* ??????Copyright?RuleQuest?Research?2003 ?*/
/* ?*/
/* This?code?is?provided?“as?is“?without?warranty?of?any?kind ?*/
/* either?express?or?implied.??All?use?is?at?your?own?risk. ?*/
/* ?*/
/*************************************************************************/


/*************************************************************************/
/* ?*/
/* Parameters?etc ?*/
/* ?*/
/*************************************************************************/

int TRIALS=1 /*?number?of?trees?to?be?grown?*/
Trial; /*?trial?number?for?boosting?*/

Boolean RULES=0; /*?rule-based?classifiers?*/


/*************************************************************************/
/* ?*/
/* Attributes?and?data ?*/
/* ?*/
/*************************************************************************/

Attribute ClassAtt=0 /*?attribute?to?use?as?class?*/
LabelAtt; /*?attribute?to?use?as?case?ID?*/

String *ClassName=0 /*?class?names?*/
*AttName=0 /*?att?names?*/
**AttValName=0; /*?att?value?names?*/

int MaxAtt /*?max?att?number?*/
MaxClass=0 /*?max?class?number?*/
AttExIn=0 /*?attribute?exclusions/inclusions?*/
LineNo=0 /*?input?line?number?*/
ErrMsgs=0 /*?errors?found?*/
Delimiter /*?character?at?end?of?name?*/
TSbase=0; /*?base?day?for?time?stamps?*/

DiscrValue *MaxAttVal=0; /*?number?of?values?for?each?att?*/

char *SpecialStatus=0;/*?special?att?treatment?*/

Definition *AttDef=0; /*?definitions?of?implicit?atts?*/

Boolean *SomeMiss=Nil /*?att?has?missing?values?*/
*SomeNA=Nil; /*?att?has?N/A?values?*/

String FileStem=“undefined“;

/*************************************************************************/
/* ?*/
/* Trees ?*/
/* ?*/
/*************************************************************************/

Tree *Pruned=0; /*?decision?trees?*/

ClassNo *TrialPred=0; /*?predictions?for?each?boost?trial?*/

float Confidence /*?set?by?classify()?*/
*Vote=0 /*?total?votes?for?classes?*/
*ClassSum=0 /*?class?weights?during?classification?*/
**MCost=0; /*?misclass?cost?[pred][real]?*/

/*************************************************************************/
/* ?*/
/* Rules ?*/
/* ?*/
/*************************************************************************/

RuleNo *Active=Nil /*?rules?that?fire?while?classifying?case?*/
NActive /*?number?ditto?*/
ActiveSpace=0; /*?space?currently?allocated?for?rules?*/

CRuleSet *RuleSet=0; /*?rulesets?*/

ClassNo Default; /*?default?class?associated?with?ruleset?or
???boosted?classifier?*/

/*************************************************************************/
/* ?*/
/* Misc ?*/
/* ?*/
/********************************************

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????1268??2003-08-20?06:31??See5Sam.txt
?????文件???????90112??2003-08-27?22:59??See5Sam.exe
?????文件???????14293??2003-08-20?05:48??defns.h
?????文件????????5461??2003-08-20?05:47??sample.c
?????文件???????83965??2003-08-27?22:29??hooks.c
?????文件????????3119??2003-08-20?05:48??global.c

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