How do I add a time column in the format of YYYY-MM-DD to my table?

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Saunok Chakrabarty
评论： Jon 2023-4-10
I have a table containing time series data of some macroeconomic variables. My data is quarterly, starting from 1947-01-01 and ending on 2022-10-01. However, MATLAB is representing these dates numerically - eg, 1947-01-01 shows up as -725846400, after I imported the file into MATLAB from R. How do I change the time column to quarterly data in the range that I want?

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Jon
Jon 2023-4-3
编辑：Jon 2023-4-3
I think R stores dates as posix time.
You can use something like this to convert to datetime format eg 31-Dec-1969 23:59:56
d = datetime(-725846400, 'ConvertFrom', 'posixtime')
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