[R] warning with hist

Antje niederlein-rstat at yahoo.de
Mon Sep 1 14:52:28 CEST 2008


Richard.Cotton at hsl.gov.uk schrieb:
>> I don't understand the warning I get when executing the following code:
>>
>> x <- rnorm(100)
>> h <- hist(x, plot= FALSE, freq = FALSE)
> 
> The warning is
> "Warning message:
> In hist.default(x, plot = FALSE, freq = FALSE) :
>   argument ‘freq’ is not made use of"
> 
> The explanation is pretty simple. 
> 
> freq determines whether or not the histogram is of counts or probability 
> densities.  Since you used plot=FALSE, you aren't plotting anything, so 
> freq does nothing.

Oh, I didn't realize that it's a pure display parameter. I thought calculation 
would depend on this parameter. Anyway, I had a strange problem but currently I 
cannot reproduce, which led me somehow to this warning (I had problems to get a 
customized y-range).

Thanks a lot!

Antje

> 
> Regards,
> Richie.
> 
> Mathematical Sciences Unit
> HSL
> 
> 
> ------------------------------------------------------------------------
> ATTENTION:
> 
> This message contains privileged and confidential information intended
> for the addressee(s) only. If this message was sent to you in error,
> you must not disseminate, copy or take any action in reliance on it and
> we request that you notify the sender immediately by return email.
> 
> Opinions expressed in this message and any attachments are not
> necessarily those held by the Health and Safety Laboratory or any person
> connected with the organisation, save those by whom the opinions were
> expressed.
> 
> Please note that any messages sent or received by the Health and Safety
> Laboratory email system may be monitored and stored in an information
> retrieval system.
> ------------------------------------------------------------------------
> 
> ------------------------------------------------------------------------
> Scanned by MailMarshal - Marshal's comprehensive email content security
> solution. Download a free evaluation of MailMarshal at www.marshal.com
> ------------------------------------------------------------------------



More information about the R-help mailing list