[R] Question about Rfast colMins and colMaxs

[Bert Gunter]

If you look at my original reply, it gives the link that tells you
*exactly* what packages are "standard" (and all the thousands of
others which therefore are not).

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 Tue, Nov 30, 2021 at 2:37 PM Stephen H. Dawson, DSL
<service using shdawson.com> wrote:
>
> Oh, you are segmenting standard R from the rest of R.
>
> Well, that part did not come across to me in your original reply. I am
> not clear on a standard versus non-standard list. I will look into this
> aspect and see what I can learn going forward.
>
>
> Thanks,
> *Stephen Dawson, DSL*
> /Executive Strategy Consultant/
> Business & Technology
> +1 (865) 804-3454
> http://www.shdawson.com <http://www.shdawson.com>
>
>
> On 11/30/21 5:26 PM, Bert Gunter wrote:
> > ... but Rfast is *not* a "standard" package, as the rest of the PG
> > excerpt says. So contact the maintainer and ask him/her what they
> > think the best practice should be for their package. As has been
> > pointed out already, it appears to differ from the usual "read it in
> > as a data frame" procedure.
> >
> > Bert
> >
> > On Tue, Nov 30, 2021 at 2:11 PM Stephen H. Dawson, DSL
> > <service using shdawson.com> wrote:
> >> Right, R Studio is not R.
> >>
> >> However, the Rfast package is part of R.
> >>
> >> https://cran.r-project.org/web/packages/Rfast/index.html
> >>
> >> So, rephrasing my question...
> >> What is the best practice to bring a csv file into R so it can be
> >> accessed by colMaxs and colMins, please?
> >>
> >> *Stephen Dawson, DSL*
> >> /Executive Strategy Consultant/
> >> Business & Technology
> >> +1 (865) 804-3454
> >> http://www.shdawson.com <http://www.shdawson.com>
> >>
> >>
> >> On 11/30/21 3:19 PM, Bert Gunter wrote:
> >>> RStudio is **not** R. In particular, the so-called TidyVerse consists
> >>> of all *non*-standard contributed packages, about which the PG says:
> >>>
> >>> "For questions about functions in standard packages distributed with R
> >>> (see the FAQ Add-on packages in R), ask questions on R-help.
> >>> [The link is:
> >>> https://cran.r-project.org/doc/FAQ/R-FAQ.html#Add-on-packages-in-R
> >>> This gives the list of current _standard_ packages]
> >>>
> >>> If the question relates to a contributed package , e.g., one
> >>> downloaded from CRAN, try contacting the package maintainer first. You
> >>> can also use find("functionname") and
> >>> packageDescription("packagename") to find this information. Only send
> >>> such questions to R-help or R-devel if you get no reply or need
> >>> further assistance. This applies to both requests for help and to bug
> >>> reports."
> >>>
> >>> Note that RStudio maintains its own help resources at:
> >>> https://community.rstudio.com/
> >>> This is where questions about the TidyVerse, ggplot, etc. should be posted.
> >>>
> >>>
> >>>
> >>> 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 Tue, Nov 30, 2021 at 10:55 AM Stephen H. Dawson, DSL via R-help
> >>> <r-help using r-project.org> wrote:
> >>>> Hi,
> >>>>
> >>>>
> >>>> I am working to understand the Rfast functions of colMins and colMaxs. I
> >>>> worked through the example listed on page 54 of the PDF.
> >>>>
> >>>> https://cran.r-project.org/web/packages/Rfast/index.html
> >>>>
> >>>> https://cran.r-project.org/web/packages/Rfast/Rfast.pdf
> >>>>
> >>>> My data is in a CSV file. So, I bring it into R Studio using:
> >>>> Data <- read.csv("./input/DataSet05.csv", header=T)
> >>>>
> >>>> However, I read the instructions listed on page 54 of the PDF saying I
> >>>> need to bring data into R using a matrix. I think read.csv brings the
> >>>> data in as a dataframe. I think colMins is failing because it is looking
> >>>> for a matrix but finds a dataframe.
> >>>>
> >>>>    > colMaxs(Data)
> >>>> Error in colMaxs(Data) :
> >>>>      Not compatible with requested type: [type=list; target=double].
> >>>>    > colMins(Data, na.rm = TRUE)
> >>>> Error in colMins(Data, na.rm = TRUE) :
> >>>>      unused argument (na.rm = TRUE)
> >>>>    > colMins(Data, value = FALSE, parallel = FALSE)
> >>>> Error in colMins(Data, value = FALSE, parallel = FALSE) :
> >>>>      Not compatible with requested type: [type=list; target=double].
> >>>>
> >>>> QUESTION
> >>>> What is the best practice to bring a csv file into R Studio so it can be
> >>>> accessed by colMaxs and colMins, please?
> >>>>
> >>>>
> >>>> Thanks,
> >>>> --
> >>>> *Stephen Dawson, DSL*
> >>>> /Executive Strategy Consultant/
> >>>> Business & Technology
> >>>> +1 (865) 804-3454
> >>>> http://www.shdawson.com <http://www.shdawson.com>
> >>>>
> >>>> ______________________________________________
> >>>> R-help using 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.
> >>
>
>