[R] Reporting missing dates

[David Winsemius]

Looks reasonable and efficient. There is a seq.Date function that would be implicitly selected by the S3 class dispatch rules  

David

Sent from my iPhone

> On Jan 16, 2020, at 4:28 AM, Jeff Reichman <reichmanj using sbcglobal.net> wrote:
> 
> R-help Forum
> 
> I have a 20 year data set and I am looking for a way to find missing dates.
> I wrote this and its works, but am wounding if there is a better way?
> 
> d <- c('2020-01-01', '2020-01-02', '2020-01-04', '2020-01-05')
> d <- as.Date(d)
> date_range <- seq(min(d), max(d), by = 1) 
> date_range[!date_range %in% d] 
> 
> 
> Sincerely
> 
> Jeff Reichman
> 
> 
>    [[alternative HTML version deleted]]
> 
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