How to get the indices based on month and year?

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Shayma Al Ali
Shayma Al Ali 2023-4-3
评论： Stephen23 2023-4-3
I have an array of data, "B", with a corresponding datetime array. The data spans between 2018-2022 but its not uniformly distanced so some months have more data than others. My plan is to loop through the data, get the data that corresponds to a month and year (ex. Jan 2020) and run some functions, and then get the data that corresponds to the next month and year, and repeat.
Is there any way I can do it more efficiently? Any functions where I can categorize the data by month and year?

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回答（1 个）

Walter Roberson
Walter Roberson 2023-4-3
You can use timerange
But if you want to group by month, then typically it is easier to do something like take
[y, m] = ymd(DATETIMES);
G = findgroups(y, m);
Now you can use G together with splitapply

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