R help - Oct 2012 - Error unary operator

Hi R - listers,

I am receiving an error. Does anyone know what this means? J

ggplot(subset(foo, Rayos != "Rayos.NA"), aes(x=HTL, y=DevelopIndex,
colour=TotalEggs)) +geom_point() +geom_jitter() +  
facet_grid(Aeventexhumed ~ Rayos)
+ geom_smooth(method="lm", fill=NA) + ylim(c(0, 7))


Error in +geom_smooth(method = "lm", fill = NA) :
   invalid argument to unary operator
	[[alternative HTML version deleted]]

a) not reproducible, read the posting guide
b) there is actually a forum dedicated to ggplot2 where you would get better
answers
c) I have not had luck providing an expression as the data argument to ggplot.
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Jean Jang <jeanwaijang at gmail.com> wrote:
>Hi R - listers,
>
>I am receiving an error. Does anyone know what this means? J
>
>ggplot(subset(foo, Rayos != "Rayos.NA"), aes(x=HTL,
y=DevelopIndex,
>colour=TotalEggs)) +geom_point() +geom_jitter() +  
>facet_grid(Aeventexhumed ~ Rayos)
>+ geom_smooth(method="lm", fill=NA) + ylim(c(0, 7))
>
>
>Error in +geom_smooth(method = "lm", fill = NA) :
>   invalid argument to unary operator
>	[[alternative HTML version deleted]]
>
>______________________________________________
>R-help at r-project.org mailing list
>https://stat.ethz.ch/mailman/listinfo/r-help
>PLEASE do read the posting guide
>http://www.R-project.org/posting-guide.html
>and provide commented, minimal, self-contained, reproducible code.

On Oct 30, 2012, at 05:34 , Jean Jang wrote:
> Hi R - listers,
> 
> I am receiving an error. Does anyone know what this means? J
> 
This command:
> ggplot(subset(foo, Rayos != "Rayos.NA"), aes(x=HTL,
y=DevelopIndex,
> colour=TotalEggs)) +geom_point() +geom_jitter() +  
> facet_grid(Aeventexhumed ~ Rayos)
... ends here.

This command:
> + geom_smooth(method="lm", fill=NA) + ylim(c(0, 7))
makes no sense in isolation. Hence
> Error in +geom_smooth(method = "lm", fill = NA) :
>   invalid argument to unary operator
I suppose the + wants to be on the preceding line.

-- 
Peter Dalgaard, Professor,
Center for Statistics, Copenhagen Business School
Solbjerg Plads 3, 2000 Frederiksberg, Denmark
Phone: (+45)38153501
Email: pd.mes at cbs.dk  Priv: PDalgd at gmail.com

it looks like 
 facet_grid(Aeventexhumed ~ Rayos)
 + geom_smooth(method="lm", fill=NA) + ylim(c(0, 7))

should read 

 facet_grid(Aeventexhumed ~ Rayos) + 
        geom_smooth(method="lm", fill=NA) + ylim(c(0, 7))

In ggplot the + must be on the preceding line. 


John Kane
Kingston ON Canada

> -----Original Message-----
> From: jeanwaijang at gmail.com
> Sent: Mon, 29 Oct 2012 18:34:39 -1000
> To: r-help at r-project.org
> Subject: [R] Error unary operator
> 
> Hi R - listers,
> 
> I am receiving an error. Does anyone know what this means? J
> 
> ggplot(subset(foo, Rayos != "Rayos.NA"), aes(x=HTL,
y=DevelopIndex,
> colour=TotalEggs)) +geom_point() +geom_jitter() +
> facet_grid(Aeventexhumed ~ Rayos)
> + geom_smooth(method="lm", fill=NA) + ylim(c(0, 7))
> 
> 
> Error in +geom_smooth(method = "lm", fill = NA) :
>    invalid argument to unary operator
> 	[[alternative HTML version deleted]]
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
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Hi R-listers,

I am trying to do this function amongst others for a Chi-sq test in

 > require(multcomp)

for some reason it is not working but all of the other functions have  
work. What does this error mean and how do I fix it?

Jean



 > linearHypothesis(model.rayos.C, "RayosRayos.2 = (Intercept)")
Error in constants(lhs, cnames_symb) :
   The hypothesis "RayosRayos.2 = (Intercept)" is not well formed:  
contains bad coefficient/variable names.
In addition: Warning message:
In constants(lhs, cnames_symb) : NAs introduced by coercion