挺好的，以数据位基础，一些主要的代码都在里面，通过不同的图表表现。主成分分析matlab_GUI程序,得到主成分系数矩阵和主成分得分系数-Matlab_GUI principal component analysis procedure, the coefficient matrix of principal component scores and principal component factor
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001978s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.086826s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002365s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001982s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002086s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003644s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001928s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003224s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014958s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002470s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 85803 [ RunTime:0.001409s ]
