[R] problem with hist()

[Uwe Ligges]

Mario Dejung wrote:
> Hey everybody,
> I try to make a graph with two different plots.
> 
> 
> First I make a boxplot of my data. It is a collection off correlation
> values of different pictures. For example:
> 
> 0.23445 pica
> 0.34456 pica
> 0.45663 pica
> 0.98822 picb
> 0.12223 picc
> 0.34443 picc
> etc.
> 
> Ok, I make this boxplot and I get for every picture the boxes. After this
> I want to know, how many correlations per picture exist.
> So I make a new vector y <- as.numeric(data$picture)
> 
> So I get for my example something like this:
> 
> y
> [1] 1 1 1 1 1 1 1 1 1 1
> [11] 1 1 1 1 1 1 1 1 2 2
> ...
> [16881] 59 59 59 60 60 60 60 60 60 60
> 
> After this I make something like this
> 
> boxplot(cor ~ pic)
> par(new = TRUE)
> hist(y, nclass = 60)
> 
> But there is my problem. I have 60 pictures, so I get 60 different
> boxplots, and I want the hist behind the boxes. But it makes only 59
> histbars.
> 
> What can I do? I tried also
> hist(y, 1:60) # same effect
> and
> hist(y, 1:61)
> this give me 60 places, but only 59 bars. the last bar is 0.


In fact, I am pretty sure you really want to have a barplot() rather 
than a histogram. If you really want to use hist(), then perhaps hist(y, 
0:60).

Uwe Ligges



> I hope anyone can help me.
> 
> Regards Mario
> 
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