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I have a date that I would like to add days to in order to find some future date.
for instance how would I find the date that is 45 days after 1/1/2001?
546
ymd() method in R is used to extract the Date portion from the date-time object, which is converted into standard years, months, and days formats. days() method accepts an integer as an argument and performs arithmetic on the Date objects using mathematical operators, directly. Code: R.
If you have an object of class “Date” like systems date, you can add or subtract days in R by simply adding or subtracting 1.
Calculate Time Difference between Dates in R Programming – difftime() Function. difftime() function in R Language is used to calculate time difference between dates in the required units like days, weeks, months, years, etc.
A vector of dates has been created for you. You can use subtraction to confirm that January 1, 1970 is the first date that R counts from. First, create a variable called origin containing "1970-01-01" as a date. Now, use as.
Use +
> as.Date("2001-01-01") + 45 [1] "2001-02-15" If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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