How to generate a sequence of dates in r?

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How do I generate a list with dates, for example, starting in 2011-07-01 and ending in 2011-10-31 ?

r

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Through function seq:

datas_dia    <- seq(from=as.Date("2011-07-01"), to=as.Date("2011-10-31"), by="day")

datas_semana <- seq(from=as.Date("2011-07-01"), to=as.Date("2011-10-31"), by="week")

datas_mes    <- seq(from=as.Date("2011-07-01"), to=as.Date("2011-10-31"), by="month")

in which

  • as.Date converts the string to the date format

  • seq creates the sequence

  • from tells you where the sequence begins

  • to tells you where the sequence ends

  • by determines the sequence increment (in my example, increments are day, week and month, respectively)

  • Thank you. This monthly sequence was just where I was most getting complicated. I tried to create date without the days, only with year and month, but I could not.

  • I’m glad it worked out. Consider vote and accept my answer if she has, in fact, solved your problem.

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