How to create time lagged variables

Question

Matthew Clark 2019 年 3 月 26 日

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https://jp.mathworks.com/matlabcentral/answers/452429-how-to-create-time-lagged-variables

編集済み: Matthew Clark 2019 年 3 月 26 日

Is it a good way to create time lagged variables ? I mean y(t) then I y(t-3) in my case is PL1 column? Helps it is urgent

ra.PL1=nan(height(ra),1);
ra.PL1(6:end)= ra.pl1(1:end-5);
ps1=find(isnan(ra.PL1));
ra.PL1(ps1)=0;
pl1=ra(:,16);
vs1=table2array(pl1);
DT                        TMP                        SUM                         PL                  PL1            
'1. 1. 2018 16:40:00'	5.54768371582031	122.152208709717	18.7284193038940		0
'1. 1. 2018 16:50:00'	5.40966801643371	124.909153556824	19.5109354019165		0
'1. 1. 2018 17:00:00'	5.26354980468750	132.169738960266	22.7616998672485		0
'1. 1. 2018 17:10:00'	4.91784658432006	135.638086318970	23.6789251327514	18.7284193038940
'1. 1. 2018 17:20:00'	4.82624821662902	137.288392639160	24.0866373062133	19.5109354019165
'1. 1. 2018 17:30:00'	4.77442932128906	138.069395446777	24.0339351654052	22.7616998672485
'1. 1. 2018 17:40:00'	4.75433349609375	138.673942184448	24.2562768936157	23.6789251327514
'1. 1. 2018 17:50:00'	4.72402954101562	138.336479377746	23.9741329193115	24.0866373062133
'1. 1. 2018 18:00:00'	4.75817871093750	138.404871940613	24.0072643280029	24.0339351654052
'1. 1. 2018 18:10:00'	4.85160822868347	138.158647727966	23.9400665283203	24.2562768936157
'1. 1. 2018 18:20:00'	4.86968984603881	138.695863533020	24.0358831405639	23.9741329193115
'1. 1. 2018 18:30:00'	4.89541621208190	138.542817687988	24.4938842773437	24.0072643280029