资源简介
最大频繁项集挖掘算法fpmax*,也包含闭项集和频繁项集挖掘的代码
代码片段和文件信息
/*
Author: Jianfei Zhu
Concordia University
Date: Sep. 26 2003
Copyright (c) 2003 Concordia University Montreal Canada
All rights reserved.
Redistribution and use in source and binary forms with or without
modification are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice
this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
- Neither the name of Concordia University nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS“
AND ANY EXPRESS OR IMPLIED WARRANTIES INCLUDING BUT NOT LIMITED TO THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT INDIRECT INCIDENTAL SPECIAL EXEMPLARY OR
CONSEQUENTIAL DAMAGES (INCLUDING BUT NOT LIMITED TO PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE DATA OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY WHETHER IN
CONTRACT STRICT LIABILITY OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE EVEN IF ADVISED OF
THE POSSIBILITY OF SUCH DAMAGE.
*/
#include
#include
#include “buffer.h“
#include “common.h“
#include
memory::memory()
{
BUFPOS=20;
// BUFS_BIG=5122880L;
// BUFS_SMALL=1024576L;
BUFS_BIG=1024576L;
BUFS_SMALL=4096L;
BUFSBSWITCH=2;
init();
}
memory::memory(int bufpos long bufs_small long bufs_big int bufsbswitch)
{
BUFPOS=bufpos;
BUFS_BIG=bufs_big;
BUFS_SMALL=bufs_small;
BUFSBSWITCH=bufsbswitch;
init();
}
void memory::init()
{
buffer = new char*[BUFPOS];
start = new char*[BUFPOS];
rest = new unsigned int[BUFPOS]; /* number of free positions */
restsize = new unsigned int[BUFPOS]; /* max. size of buffer */
buffer[0] = new char[BUFS_SMALL];
// buffer[0] = new char[BUFS_BIG];
if (buffer[0] == NULL) {
#ifdef DEBUG
perror(“initbuf 2“);
#endif
printf(“INIT: not enough memory to run this program\n“);
exit(0);
}
start[0] = buffer[0];
markbuf = buffer[0];
markcount = 0;
// markrest = BUFS_BIG;
// rest[0] = BUFS_BIG;
// restsize[0] = BUFS_BIG;
markrest = BUFS_SMALL;
rest[0] = BUFS_SMALL;
restsize[0] = BUFS_SMALL;
bufcount = 0;
}
memory::~memory()
{
int i;
for(i=0; i <= bufcount; i++)delete []buffer[i];
delete []buffer;
delete []start;
delete []rest;
delete []restsize;
}
char * memory::newbuf(unsigned int numunsigned int size)
// get num times size bytes from the buffer (if possible)
// RETURN
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
文件 5385 2003-09-27 09:32 fpmax_star\buffer.cpp
文件 3101 2003-09-27 09:32 fpmax_star\buffer.h
文件 2464 2003-09-27 09:32 fpmax_star\common.h
文件 1699 2003-09-27 09:32 fpmax_star\data.cpp
文件 803 2003-09-27 09:32 fpmax_star\data.h
文件 5436 2003-09-27 09:32 fpmax_star\fpmax.cpp
文件 4210 2003-09-27 09:32 fpmax_star\fp_node.cpp
文件 2646 2003-09-27 09:32 fpmax_star\fp_node.h
文件 29863 2003-12-06 01:49 fpmax_star\fp_tree.cpp
文件 4163 2003-12-05 22:34 fpmax_star\fp_tree.h
文件 674 2003-09-27 09:32 fpmax_star\fsout.cpp
文件 288 2003-09-27 09:32 fpmax_star\fsout.h
文件 1191 2003-09-27 09:32 fpmax_star\makefile
目录 0 2005-06-10 10:39 fpmax_star
----------- --------- ---------- ----- ----
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