function?[ypmserrormaerrorrerror]=arma_model（data）
%?arma預(yù)測(cè)

%將訓(xùn)練數(shù)據(jù)和測(cè)試數(shù)據(jù)轉(zhuǎn)為列向量
[data_rowdata_col]=size（data）;
if（data_row????data=data‘;
end
dataiddata=iddata（data）;
%參數(shù)如何定
model=armax（dataiddata[33]）;
yp=predict（modeldata）;

%?Plot?the?orignal?Graphic
plot（1:length（data）data‘?‘g‘1:length（data）yp?‘r‘‘LineWidth‘2...
????‘MarkerEdgeColor‘‘k‘...
????‘MarkerFaceColor‘‘g‘...
????‘MarkerSize‘2）;

mserror?=?mean_square_error（data?yp）;
maerror?=?mean_absolute_error（data?yp）;
rerror?=?relative_error（data?yp）;

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----
?????文件?????????585??2014-08-30?10:41??arma_model.m
?????文件?????????112??2014-08-30?08:26??mean_absolute_error.m
?????文件?????????192??2014-08-30?08:27??mean_square_error.m
?????文件?????????170??2014-08-30?08:25??relative_error.m