matlab统计分析工具箱里面没有频数统计函数，有些情况下频数统计可以很直观地显现统计规律。-statistical analysis toolbox matlab There are no statistics on the frequency function, in some cases frequency statistics can be intuitively apparent statistical regularity.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001022s ]
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:0.059960s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001084s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001241s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000859s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003022s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000795s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003600s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014226s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001193s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 6838 [ RunTime:0.017911s ]
