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pearson
2011 Mar 01
3
Difference in numeric Dates between Excel and R
Hello. I am using some dates I read in excel in R. I know the excel origin
is supposed to be 1900-1-1. But when I used as.Date with origin=1900-1-1 the
dates that R reported me where two days ahead than the ones I read from
Excel. I noticed that when I did in R the following:
> as.Date("2011-3-4")-as.Date("1900-1-1")
Time difference of 40604 days
but if I do the same