Why when I do the cumulative with retime, data don't change?

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Hello everyone,
when I use retime for doing the cumulative, values remain the same. (If you see data in 'DATI_ECM_GIORNALIERI' and data in 'Cum_Giu' are exactly the same, despite I used "Cum_Giu = retime(table2timetable(DATIECMWFgiornalieri, 'RowTimes', DTv), 'daily', @(x)sum(x,1,'omitnan'))."
How can I solve this problem?
Thank you.
%CUMULATIVE
load('DATI_ECM_GIORNALIERI')
DTv = datetime(DATIECMWFgiornalieri{:,1:3})
Cum_Giu = retime(table2timetable(DATIECMWFgiornalieri, 'RowTimes', DTv), 'daily', @(x)sum(x,1,'omitnan'))
CTv = Cum_Giu.Properties.RowTimes;
yyaxis right
plot(CTv, Cum_Giu.SMB_mpmm, 'm', 'DisplayName','ECMWF');
yyaxis left
plot(C,NEW, 'DisplayName','AWS')
Ax = gca;
Ax.YAxis(2).Color = 'm';
legend('Location','best')

Accepted Answer

Star Strider
Star Strider on 26 Aug 2021
It does not change because the rows are already daily values, and the retime call summarizes the data by daily values.
.
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