1、气候监测数据集 http://cdiac.ornl.gov/ftp/ndp026b
2、几个实用的测试数据集下载的网站
http://www.fs.fed.us/fire/fuelman/
http://www.cs.toronto.edu/~roweis/data.html
http://www.cs.toronto.edu/~roweis/data.html
http://kdd.ics.uci.edu/summary.task.type.html
http://www-2.cs.cmu.edu/afs/cs.cmu.edu/project/theo-20/www/data/
http://www-2.cs.cmu.edu/afs/cs.cmu.edu/project/theo-11/www/wwkb/
http://www.phys.uni.torun.pl/~duch/software.html
在下面的网址可以找到reuters数据集：http://www.research.att.com/~lewis/reuters21578.html
该网址有各种数据集：http://kdd.ics.uci.edu/summary.data.type.html
进行文本分类，还有一个数据集是可以用的，即rainbow的数据集
http://www-2.cs.cmu.edu/afs/cs/project/theo-11/www/naive-bayes.html
3、UCI收集的机器学习数据集
ftp://pami.sjtu.edu.cn/
http://www.ics.uci.edu/~mlearn//MLRepository.htm
4、statlib
http://liama.ia.ac.cn/SCILAB/scilabindexgb.htm
http://lib.stat.cmu.edu/
5、关于基金的数据挖掘的网站
http://www.gotofund.com/index.asp
http://lans.ece.utexas.edu/~strehl/
6、进行文本分类&WEB
http://www-2.cs.cmu.edu/afs/cs/project/theo-11/www/naive-bayes.html
http://www.w3.org/TR/WD-logfile-960221.html
http://www.w3.org/Daemon/User/Config/Logging.html#AccessLog
http://www.w3.org/1998/11/05/WC-workshop/Papers/bala2.html
http://www-2.cs.cmu.edu/afs/cs.cmu.edu/project/theo-11/www/wwkb/
http://www.web-caching.com/traces-logs.html
http://www-2.cs.cmu.edu/webkb
http://www.cs.auc.dk/research/DP/tdb/TimeCenter/TimeCenterPublications/TR-75.pdf
http://www.cs.cornell.edu/projects/kddcup/index.html
7、时间序列数据的网址
http://www.stat.wisc.edu/~reinsel/bjr-data/
8、apriori算法的测试数据
http://www.almaden.ibm.com/cs/quest/syndata.html
9、数据生成器的链接
http://www.cse.cuhk.edu.hk/~kdd/data_collection.html
http://www.almaden.ibm.com/cs/quest/syndata.html
10、关联：
http://flow.dl.sourceforge.net/sourceforge/weka/regression-datasets.jar
http://www.almaden.ibm.com/software/quest/Resources/datasets/syndata.html#assocSynData
11、WEKA：
http://flow.dl.sourceforge.net/sourceforge/weka/regression-datasets.jar
1。A jarfile containing 37 classification problems, originally obtained from the UCI repository
http://prdownloads.sourceforge.net/weka/datasets-UCI.jar
2。A jarfile containing 37 regression problems, obtained from various sources
http://prdownloads.sourceforge.net/weka/datasets-numeric.jar
3。A jarfile containing 30 regression datasets collected by Luis Torgo
http://prdownloads.sourceforge.net/weka/regression-datasets.jar
12、癌症基因：
http://www.broad.mit.edu/cgi-bin/cancer/datasets.cgi
13、金融数据：
http://lisp.vse.cz/pkdd99/Challenge/chall.htm
14、一个很好的资源网址为：http://kdd.ics.uci.edu/，里面包含的数据资源如下（按应用领域划分）：
Direct Marketing
KDD CUP 1998 Data
GIS
Forest CoverType
Indexing
Corel Image Features
Pseudo Periodic Synthetic Time Series
Intrusion Detection
KDD CUP 1999 Data
Process Control
Synthetic Control Chart Time Series
Recommendation Systems
Entree Chicago Recommendation Data
Robots
Pioneer-1 Mobile Robot Data
Robot Execution Failures
Sign Language Recognition
Australian Sign Language Data
High-quality Australian Sign Language Data
Text Categorization
20 Newsgroups Data
Reuters-21578 Text Categorization Collection
NSF Research Awards Abstracts 199 0-2003
World Wide Web
Microsoft Anonymous Web Data
MSNBC Anonymous Web Data
Syskill Webert Web Data