Extra packages are not needed. My question is: why change the character representation at all? See the format argument of ?as.Date.
> as.Date("20010102",format="%Y%m%d") [1] "2001-01-02" ## the default format for the print method for Date objects 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 Wed, Aug 12, 2020 at 8:07 AM Eric Berger <ericjber...@gmail.com> wrote: > library(lubridate) > a <- "20200403" > lubridate::ymd(a) > # 2020-04-03 > > HTH, > Eric > > > On Wed, Aug 12, 2020 at 5:57 PM Stephen P. Molnar <s.mol...@sbcglobal.net> > wrote: > > > i have written an R script which allow me to plot the number of Covid-10 > > cases reported by he state of Ohio. In that se t of data the date format > > is in the form yyyy-mm-dd. > > > > My script uses: > > > > datebreaks <- seq(as.Date("2020-01-01"), as.Date("2020-08-10"), by="1 > > week") > > . > > . > > . > > + scale_x_date(breaks=datebreaks) > > + theme(axis.text.x = element_text(angle=30, hjust=1)) > > > > to plot the data. > > > > The COVID Tracking Project publishes considerably more data than does > > the state of Ohio. However, The project supplies daily statistics using > > the date format YYYYMMDD.I have done some searching, but I can't seem to > > find a solution (that I can understand). > > > > How can I change the date forma from YYYYMMDD tp YYYY-MM-DD? > > > > Thanks is advanced. > > > > -- > > Stephen P. Molnar, Ph.D. > > www.molecular-modeling.net > > 614.312.7528 (c) > > Skype: smolnar1 > > > > ______________________________________________ > > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide > > http://www.R-project.org/posting-guide.html > > and provide commented, minimal, self-contained, reproducible code. > > > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.