[R] Formatting column displays

Jeff Newmiller jdnewmil at dcn.davis.ca.us
Fri May 5 15:15:29 CEST 2017

Data frames are primarily data storage objects, not data display objects. You can create a separate version of your data frame with formatted text strings, but what you usually really want is to handle column alignment as well and that really has to be addressed as part of your data output process, which you have said nothing about. 

Do you know about HTML or markdown or LaTeX? These are useful formats for creating reproducible research, and they are well supported through the knitr package and in RStudio via Rnw and Rmd files. Tables in particular are well supported via LaTeX with the tables package.  The ReporteR package can output to Microsoft Word files directly with various formatting options, but it doesn't play well with the other tools.
Sent from my phone. Please excuse my brevity.

On May 5, 2017 5:08:19 AM PDT, Bruce Ratner PhD <br at dmstat1.com> wrote:
>I need some references for formatting the display of my data frame
>Any guidance will be appreciated. Bruce
>I have a date frame with one column as an integer for which I want a
>comma display, 
>one column consisting of dollar amounts, one column for which I want a
>display to two digits after the decimal point, and one column as
>integers ranging between 
>100 - 999.
>R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
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>and provide commented, minimal, self-contained, reproducible code.

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