hi, I have importet data from excel into matlab using the following code:
filename = 'vola_regimes.xlsx'; sheet = 1; xlRange_d = 'C4:C132'; xlRange_sp='D4:D132'; xlRange_dV = 'H4:H132'; xlRange_VIX='I4:I132';
date_SP = xlsread(filename, sheet, xlRange_d) SP = xlsread(filename, sheet, xlRange_sp) date_VIX = xlsread(filename, sheet, xlRange_dV) VIX = xlsread(filename, sheet, xlRange_VIX)
That is working perfectly, but the problem is that range C4:C132 and H4:H132 are both dates. the import fuction didn't work ant therefore I changed the format in excel to general instead of date. then I am able to imporat the data, but from what I can see when I use the datestr function, matlab is not recognizing the data correctly and instead of 05.08.2002 it gives me 06-Aug-0102
Is there a way to change that?
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matlab and excel use different dates to as a starting reference. You just have to add 693960 to the excel date numbers
Excel: 1 represents 1/1/1900 12:00:00 a.m
Matlab: 1 represents 01-Jan-0000
SAS: 0 represents January 1, 1960
Legend has it that the founders of SAS wanted to use the approximate birth date of the IBM 370 system... cute, but annoying