Ridge Regression RR 岭回归估计，是非常有用的非线性时间序列算法，在局部多项式预测中非常有用。-Ridge Regression RR ridge regression estimates, it is useful to nonlinear time series algorithms, in Local Polynomial prediction in very useful.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001242s ]
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:0.087574s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001143s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001150s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003616s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000987s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003276s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015611s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001547s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 118265 [ RunTime:0.001626s ]
