data?=?load（‘Foursquare_poi_coos.txt‘）;??
cv=cvpartition（size（data1）‘holdout‘0.5）;%0.04表明測試數據集占總數據集的比例
data1=data（training（cv）:）;%四列的矩陣
X?=?data1（:?2）;?y?=?data1（:?3）;??
??t=size（X1）
scatter（X?y‘.‘）;??

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???11120059??2018-04-05?19:20??Foursquare-師兄\foursquare1\Foursquare.zip

?????文件???29496358??2017-04-23?12:03??Foursquare-師兄\foursquare1\Foursquare_checkins.txt

?????文件?????????13??2017-04-23?12:03??Foursquare-師兄\foursquare1\Foursquare_data_size.txt

?????文件?????789324??2017-04-23?12:03??Foursquare-師兄\foursquare1\Foursquare_poi_coos.txt

?????文件????2186961??2017-04-23?12:03??Foursquare-師兄\foursquare1\Foursquare_test.txt

?????文件????6778533??2017-04-23?12:03??Foursquare-師兄\foursquare1\Foursquare_train.txt

?????文件?????943285??2017-04-23?12:03??Foursquare-師兄\foursquare1\Foursquare_tune.txt

?????文件????????237??2010-04-05?21:01??Foursquare-師兄\foursquare1\plotcoos.m

?????文件???31480163??2015-02-11?01:13??Foursquare-師兄\foursquare2\dataset_tsmc2014\dataset_TSMC2014_NYC.txt

?????文件???????1408??2015-02-11?01:31??Foursquare-師兄\foursquare2\dataset_tsmc2014\dataset_TSMC2014_readme.txt

?????文件???79467384??2015-02-11?01:13??Foursquare-師兄\foursquare2\dataset_tsmc2014\dataset_TSMC2014_TKY.txt

?????文件???25546284??2018-04-07?11:10??Foursquare-師兄\foursquare2\dataset_tsmc2014.zip

?????文件???13235785??2017-03-28?09:57??Foursquare-師兄\foursquare3\All?City?Data\as.txt

?????文件????3739778??2016-09-11?12:52??Foursquare-師兄\foursquare3\All?City?Data\city10.txt

?????文件????1428800??2016-09-11?12:53??Foursquare-師兄\foursquare3\All?City?Data\city100.txt

?????文件?????830103??2016-09-11?12:53??Foursquare-師兄\foursquare3\All?City?Data\city101.txt

?????文件????2122470??2016-09-11?12:53??Foursquare-師兄\foursquare3\All?City?Data\city102.txt

?????文件?????485132??2016-09-11?12:53??Foursquare-師兄\foursquare3\All?City?Data\city103.txt

?????文件?????438733??2016-09-11?12:53??Foursquare-師兄\foursquare3\All?City?Data\city104.txt

?????文件?????477140??2016-09-11?12:53??Foursquare-師兄\foursquare3\All?City?Data\city105.txt

?????文件?????574260??2016-09-11?12:53??Foursquare-師兄\foursquare3\All?City?Data\city106.txt

?????文件?????617273??2016-09-11?12:53??Foursquare-師兄\foursquare3\All?City?Data\city107.txt

?????文件?????491757??2016-09-11?12:53??Foursquare-師兄\foursquare3\All?City?Data\city108.txt

?????文件?????411984??2016-09-11?12:53??Foursquare-師兄\foursquare3\All?City?Data\city109.txt

?????文件?????715476??2016-09-11?12:53??Foursquare-師兄\foursquare3\All?City?Data\city11.txt

?????文件?????460170??2016-09-11?12:53??Foursquare-師兄\foursquare3\All?City?Data\city110.txt

?????文件?????520735??2016-09-11?12:53??Foursquare-師兄\foursquare3\All?City?Data\city111.txt

?????文件????1085505??2016-09-11?12:53??Foursquare-師兄\foursquare3\All?City?Data\city112.txt

?????文件????3866647??2016-09-11?12:53??Foursquare-師兄\foursquare3\All?City?Data\city113.txt

?????文件?????486758??2016-09-11?12:53??Foursquare-師兄\foursquare3\All?City?Data\city114.txt

............此處省略157個文件信息