![]() ![]() as.Date("") - as.Date("") returns a value of of 404 and prints on the screen Time difference of 404 days.weekdays(as.Date("")) returns a value of Saturday.months(as.Date("")) returns a value of December.When dates are provided in the format of year followed by month followed by day, such as, you can use the as.Date function.This tells R to think of them as being calendar dates. Finally, I introduce some code that my colleagues and I wrote to make things a bit easier (with the flipTime package).Ĭonvert strings to times and dates in R Background It is far trickier if the date information is represented inconsistently. I'll discuss common pitfalls and give helpful tips to make working with dates in R less painful. Converting dates entered as strings into numeric dates in R is relatively simple for a single string and for a vector of strings if you have consistent date information. In this post, I will provide an introduction to the functionality R offers for converting strings to dates. Date( ) function to convert character data to dates. There are more than 10 packages providing support for working with date-time data in R, as well as being able to use the as. However, the sheer number of options/packages available can make things seem overwhelming at first. R provides a number of handy features for working with date-time data. This gives you the the correct functionality for working with data of that type. However, it is a very important initial step when you first get your data into R to ensure that it has the correct type (e.g.
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