[R] format numbers without leading or trailing 0s

Jeff Newmiller jdnewmil at dcn.davis.ca.us
Tue Nov 29 19:29:33 CET 2011

Omitting the leading zero is dangerous, since the decimal point can disappear in a poor hardcopy leading to later misinterpretation.
Jeff Newmiller                        The     .....       .....  Go Live...
DCN:<jdnewmil at dcn.davis.ca.us>        Basics: ##.#.       ##.#.  Live Go...
                                      Live:   OO#.. Dead: OO#..  Playing
Research Engineer (Solar/Batteries            O.O#.       #.O#.  with
/Software/Embedded Controllers)               .OO#.       .OO#.  rocks...1k
Sent from my phone. Please excuse my brevity.

Michael Friendly <friendly at yorku.ca> wrote:

>A simple question, but I can't find something to do what I want:
>Given: a vector of numbers, like
>lambda <- c(0, 0.005, 0.01, 0.02, 0.04, 0.08)
>Desired: format them in minimal space for use as plot labels, ie, 
>without leading or tailing 0s. For this example:
>lambdaf <- c("0", .005", ".01", ".02", ".04", ".08")
>Michael Friendly     Email: friendly AT yorku DOT ca
>Professor, Psychology Dept.
>York University      Voice: 416 736-5115 x66249 Fax: 416 736-5814
>4700 Keele Street    Web:   http://www.datavis.ca
>Toronto, ONT  M3J 1P3 CANADA
>R-help at r-project.org mailing list
>PLEASE do read the posting guide
>and provide commented, minimal, self-contained, reproducible code.

More information about the R-help mailing list