[R] customizing the number of decimal places in xtable: RESOLVED

[Ogbos Okike]

Dear Jeff,

Great!! Thanks for your concern/good advice.

Best regards
Ogbos

On Tue, Sep 18, 2018 at 8:24 AM Jeff Newmiller <jdnewmil using dcn.davis.ca.us>
wrote:

> I gather you find the content of the help page for the xtable function
> hard to understand, but you need to build the skill of reading them and
> gathering clues about functions you call from them.
>
> * They always have a usage section that briefly summarizes how the
> function is called and what the default values are for those parameters
> that do have defaults.
>
> * They always mention what each parameter is for. (The help page may not
> always be thorough enough to suit your preference, but CRAN requires the
> author to make some effort to describe every parameter. Note that people
> posting packages on GitHub have no one insisting that they put in this
> effort, so beware that quality may vary more if you start using non-CRAN
> packages.) The digits parameter is used by many data formatting functions,
> and it can usually be specified as a vector with each element affecting a
> corresponding column of data in order.
>
> * They always indicate what kind of Value will be returned from the
> function.
>
> * They usually have Notes on how the function reacts to different input
> values.
>
> * They often have Examples of how to use the function.
>
> * They often have  a See Also section indicating what other functions you
> might find relevant when using this function.
>
> * They sometimes have a section listing References to read to learn more
> about the theory behind the function.
>
> Not all authors of help pages put the same level of effort into making
> help pages readable, and there is undoubtedly some shorthand notation that
> gives you key information more compactly than you might wish for as a
> beginner. However, if you ask for help interpreting specific help pages
> then you may learn more about how they work or the authors may re-write
> certain help pages based on your questions to address the source of your
> confusion.  Beware that if you don't read them first and mention why they
> didn't answer your question then you may get less helpful responses when
> when you do ask questions.
>
> On September 17, 2018 10:49:43 PM PDT, Ogbos Okike <
> giftedlife2014 using gmail.com> wrote:
> >Dear Jeff,
> >
> >Thank you please.
> >
> >I did search before but could not get it resolved. But with your query
> >now,
> >just typed ?xtable as key  search word and the first document I opened
> >gave
> >an indication of digits. Without knowing what it was saying, I tried it
> >in
> >my data and it gave the result I have been looking for.
> >
> >xtable(data, digits=12) and I am fine.
> >
> >Thank you so much.
> >
> >Ogbos
> >
> >On Tue, Sep 18, 2018 at 6:27 AM Jeff Newmiller
> ><jdnewmil using dcn.davis.ca.us>
> >wrote:
> >
> >> Have you read
> >>
> >> ?xtable
> >>
> >>
> >> On September 17, 2018 7:24:37 PM PDT, Ogbos Okike <
> >> giftedlife2014 using gmail.com> wrote:
> >> >Dear Volunteers,
> >> >
> >> >I have a table involving many decimal places:
> >> >2005-01-04 -2.13339817688037
> >> >2005-01-19 -6.86312349695117
> >> >2005-01-22 -4.33662370554386
> >> >2005-02-10 -1.40789214441639
> >> >2005-02-13 -1.1334121785854
> >> >2005-02-19 -1.28411233010119
> >> >2005-05-09 -1.6895978161324
> >> >2005-05-16 -3.07664523496947
> >> >2005-06-17 -1.69904491217129
> >> >2005-07-17 -3.44289318667434
> >> >2005-08-07 -2.29676435700659
> >> >2005-08-10 -1.08915071542227
> >> >2005-08-24 -1.8244123081697
> >> >2005-09-13 -4.57899147546373
> >> >2005-09-15 -3.96591895962343
> >> > I used xtable to covert this to form of latex table.
> >> >
> >> >The result I have is:
> >> >1 & 2005-01-04 & -2.13 \\
> >> >  2 & 2005-01-19 & -6.86 \\
> >> >  3 & 2005-01-22 & -4.34 \\
> >> >  4 & 2005-02-10 & -1.41 \\
> >> >  5 & 2005-02-13 & -1.13 \\
> >> >  6 & 2005-02-19 & -1.28 \\
> >> >  7 & 2005-05-09 & -1.69 \\
> >> >  8 & 2005-05-16 & -3.08 \\
> >> >  9 & 2005-06-17 & -1.70 \\
> >> >  10 & 2005-07-17 & -3.44 \\
> >> >  11 & 2005-08-07 & -2.30 \\
> >> >  12 & 2005-08-10 & -1.09 \\
> >> >  13 & 2005-08-24 & -1.82 \\
> >> >  14 & 2005-09-13 & -4.58 \\
> >> >  15 & 2005-09-15 & -3.97 \\.
> >> >
> >> >It has truncated the long decimal places. Since it is not want I
> >want,
> >> >I
> >> >have to copy from the original table and place into xtable.
> >> >
> >> >Can you please tell me how to customize the xtable so that I will be
> >> >responsible for the number of decimal places it displays.
> >> >
> >> >Many thanks for your precious time.
> >> >
> >> >Warmest regards
> >> >Ogbos
> >> >
> >> >       [[alternative HTML version deleted]]
> >> >
> >> >______________________________________________
> >> >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.
> >>
> >> --
> >> Sent from my phone. Please excuse my brevity.
> >>
>
> --
> Sent from my phone. Please excuse my brevity.
>

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