How can I calculate the cumulative sum of this file?
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Hello everyone,
I should calculate the cumulate of the column 4, from 2015 until 2020. How can I do it?
Thank you!
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Steven Lord
2021년 12월 1일
"calculate the cumulative" what of the file?
Cumulative sum? cumsum.
Cumulative product? cumprod.
Cumulative minimum or maximum? cummin and cummax.
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Steven Lord
2021년 12월 2일
Can you show:
whos DATIECMWFgiornalieri
I'm assuming the comma inside the cumsum call is a typo, as otherwise that code would have thrown an error.
If I'm right and DATIECMWFgiornalieri is a table or timetable array, extract the contents of the fourth variable using curly braces instead of extracting the fourth variable as a sub-table using parentheses.
load patients
T = table(LastName, Height, Weight, Age);
head(T) % Show only the first few rows
C1 = cumsum(T{:, 4}) % Cumulative sum of the Age variable
C2 = cumsum(T(:, 4)) % Will error as cumsum is not defined for table arrays
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