[R] Again: A problem someone should know about

Ian Lester ianlester43 at gmail.com
Mon Mar 30 07:59:23 CEST 2015


i have no idea what to do

> plot(body.fat, BMI,xlab="Body fat",ylab="BMI",main=“Figure 2.1: BMI vs Body fat (n=252)”)
Error: unexpected input in "plot(body.fat, BMI,xlab="Body fat",ylab="BMI",main=�"
> plot(body.fat, BMI,xlab="Body fat",ylab="BMI")
 serious error. This application, or a library it uses, is using an invalid context  and is thereby contributing to an overall degradation of system stability and reliability. This notice is a courtesy: please fix this problem. It will become a fatal error in an upcoming update.
> 
> Begin forwarded message:
> 
> From: Ian Lester <ihlester at mensa.org.au>
> Reply-To: ihlester at mensa.org.au
> Subject: A problem someone should know about
> Date: 30 March 2015 9:52:54 am AEDT
> To: r-help at r-project.org
> 
> I’m a novice and this message looks like it shouldn’t be ignored. Someone who knows what they’re doing should probably take a look.
> Thanks
> Ian Lester
> 
>> logfat.lm<-(lm(body.fat~log(BMI)))
>> plot(logfat)
> Error in plot(logfat) : object 'logfat' not found
>> plot(logfat.lm)
> Hit <Return> to see next plot: 
> Hit <Return> to see next plot: 
> Hit <Return> to see next plot: 
> Mar 29 18:10:18 iansimac.gateway rsession[69550] <Error>: Error: this application, or a library it uses, has passed an invalid numeric value (NaN, or not-a-number) to CoreGraphics API. This is a serious error and contributes to an overall degradation of system stability and reliability. This notice is a courtesy: please fix this problem. It will become a fatal error in an upcoming update.


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