[R] Converting "day of year" to "year", "month" and "day"

[Bert Gunter]

There are many good tutorials for R. As a "newbie", you need to avail
yourself of them. Although this forum is meant to "help", it is not
designed to provide tutorials. Understanding basic R functionality is
largely assumed here.

Searching on "tutorials on date-time data in R" brought up many
possibilities. Choose one or more that best suits your needs.

As for your specific query, you seem not to understand R's "vectorization"
behavior: your statement, "it can only convert one day of the year at a
time", is false. Again, search for a tutorial on "vectorization in R." But
note that the "Intro to R" tutorial that ships with R already has this.


Bert Gunter

"The trouble with having an open mind is that people keep coming along and
sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )


On Fri, Jan 15, 2021 at 9:55 AM Jibrin Alhassan <jibrin.alhassan using unn.edu.ng>
wrote:

> Dear R users,
> I am very new to R software. I have solar wind speed data needed for my
> work. How do I convert day in the year to year, month, and day with R
> software? I have used this code
> as.Date(0, origin = "1998-01-01")
> but it can only convert one day of the year at a time. Meanwhile, I have up
> to the 1998-2002 data set. Attached is my data.
> Kindly help, please.
> Jibrin Alhassan
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