用VB实现的数据的统计描述
包括分布的矩---均值、平均差、标准差、方差和中位数的搜索、均值与方差的显著性检验等-VB data including the statistical description of the moment-- the distribution mean, mean difference, standard deviation, variance and median search, the mean and variance significantly inspection
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000944s ]
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:0.077940s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.006620s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001524s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.003836s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003183s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001060s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003772s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015255s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001253s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 197020 [ RunTime:0.014785s ]
