[R] create arrays

[Daniel Nordlund]

Some good suggestions, just (as always) be aware of floating-point imprecision. See FAQ 7.31

> s <- seq(1,30,0.1)
> s[8]
[1] 1.7
> s[8] == 1.7
[1] FALSE

Just trying to forestall future questions :-)

Dan

Daniel Nordlund
Bothell, WA USA

> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
> On Behalf Of Adele_Thompson at cargill.com
> Sent: Friday, May 06, 2011 12:18 PM
> To: Greg.Snow at imail.org; r-help at r-project.org
> Subject: Re: [R] create arrays
> 
> Beautiful.
> 
> -----Original Message-----
> From: Greg.Snow at imail.org [mailto:Greg.Snow at imail.org]
> Sent: Friday, May 06, 2011 02:17 PM
> To: Thompson, Adele - Adele_Thompson at cargill.com; r-help at r-project.org
> Subject: RE: [R] create arrays
> 
> ?seq
> 
> --
> Gregory (Greg) L. Snow Ph.D.
> Statistical Data Center
> Intermountain Healthcare
> greg.snow at imail.org
> 801.408.8111
> 
> 
> > -----Original Message-----
> > From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> > project.org] On Behalf Of Schatzi
> > Sent: Friday, May 06, 2011 1:12 PM
> > To: r-help at r-project.org
> > Subject: [R] create arrays
> >
> > In Matlab, an array can be created from 1 - 30 using the command
> > similar to R
> > which is 1:30. Then, to make the array step by 0.1 the command is
> > 1:0.1:30
> > which is 1, 1.1, 1.2,...,29.9,30. How can I do this in R?
> >
> > -----
> > In theory, practice and theory are the same. In practice, they are not
> > - Albert Einstein
> > --
> > View this message in context: http://r.789695.n4.nabble.com/create-
> > arrays-tp3503988p3503988.html
> > Sent from the R help mailing list archive at Nabble.com.
> >
> > ______________________________________________
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> > and provide commented, minimal, self-contained, reproducible code.
> 
> ______________________________________________
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> PLEASE do read the posting guide http://www.R-project.org/posting-
> guide.html
> and provide commented, minimal, self-contained, reproducible code.