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    %% Shift Timetable Data by Multiple Time Steps
% Create a timetable with temperature data as the variable. Shift the data
% in time by multiple time steps.
Time = datetime('2015-12-18 12:00:00') + days(1:5)';
Temp = [43 42.6 42.3 39.1 37.3]';
TT = timetable(Time,Temp)

%%
% Shift the data forward two time steps.
TT2 = lag(TT,2)

%%
% Shift the data backward by three time steps.
TT2 = lag(TT,-3)