[R] Barplot - Can't figure it out

Peter Wolf s-plus at wiwi.uni-bielefeld.de
Fri Feb 18 13:49:43 CET 2005


Try:
x = c(3, 3, 3, 4, 3, 4, 3, 4, 3, 4,1:5)
y = c(5, 2, 5, 5, 2, 2, 5, 5, 4, 2,1:5)
barplot(rbind(table(x)-1, table(y)-1), beside=T)

P. Wolf

T Petersen wrote:

> Wow, I'm getting confused...The syntax Petr suggested does what I 
> wanted, but things are stille wrong...Maybe a bug? Let me explain.
>
> I got two vectors:
>
> x = c(3, 3, 3, 4, 3, 4, 3, 4, 3, 4)
>
> y = c(5, 2, 5, 5, 2, 2, 5, 5, 4, 2)
>
> then I do the barplot you suggest
>
> barplot(rbind(table(x), table(y)), beside=T)
>
> but things are wrong(there is no bar for catagory "3") and I get an 
> error message:
> Warning message: number of columns of result
>        not a multiple of vector length (arg 1) in: 
> rbind(table(Quest1), table(Quest2))
>
> Any ideas?
>
> Petr Pikal wrote:
>
>> Hi
>>
>> If I understand correctly
>>
>> barplot(rbind(table(x), table(y)), beside=T)
>>
>> does what you want.
>>
>> Cheers
>> Petr
>>
>>
>>
>> On 18 Feb 2005 at 7:51, T Petersen wrote:
>>
>>  
>>
>>> Almost. Catagories aren't stacked - I would like to see that x has 2
>>> instances of "1" while y has 1 instance of "1". What's more, there are
>>> now TWO distinct barplots - the left one shows x, while the right one
>>> shows y. I could live with that, but what I'd ideally want is to have
>>> x and y beside each other for EACH catagory - so for catagory "1" you
>>> could see taht there are more x's than y's (two x's versus one y). But
>>> thanks for the help
>>>
>>> Mulholland, Tom wrote:
>>>
>>>   
>>>
>>>> barplot(matrix(c(x,y),ncol = 2),beside=T)
>>>>
>>>> Does this help
>>>> ?barplot notes
>>>>
>>>> height: either a vector or matrix of values describing the bars which
>>>>         make up the plot.  If 'height' is a vector, the plot
>>>>         consists of a sequence of rectangular bars with heights
>>>>         given by the values in the vector.  If 'height' is a matrix
>>>>         and 'beside' is 'FALSE' then each bar of the plot
>>>>         corresponds to a column of 'height', with the values in the
>>>>         column giving the heights of stacked "sub-bars" making up
>>>>         the bar.  If 'height' is a matrix and 'beside' is 'TRUE',
>>>>         then the values in each column are juxtaposed rather than
>>>>         stacked.
>>>>
>>>>
>>>>
>>>>
>>>>     
>>>>
>>>>> -----Original Message-----
>>>>> From: T Petersen [mailto:Terji78 at yahoo.com]
>>>>> Sent: Friday, 18 February 2005 1:35 PM
>>>>> To: Kevin Wang
>>>>> Cc: r-help at stat.math.ethz.ch
>>>>> Subject: Re: [R] Barplot - Can't figure it out
>>>>>
>>>>>
>>>>> Ups, it should of course be barplot() in my mail, not boxplot:-)
>>>>>
>>>>> Kevin Wang wrote:
>>>>>
>>>>>  
>>>>>       
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> T Petersen wrote:
>>>>>>
>>>>>>    
>>>>>>         
>>>>>>
>>>>>>> Hi,
>>>>>>>
>>>>>>> I have two catagorical vectors like this;
>>>>>>>
>>>>>>> x = c(1, 2, 4, 2, 1)
>>>>>>> y = c(2, 4, 2 ,4, 1)
>>>>>>>
>>>>>>> I want to set up a barplot with the catagories 1-4      
>>>>>>>           
>>>>>>
>>>>> horizontally  and  
>>>>>       
>>>>>
>>>>>>> number of occurances vertically for each vector x,y. I've tried
>>>>>>>
>>>>>>> boxplot(table(x,y), beside=T)
>>>>>>>
>>>>>>> and
>>>>>>>
>>>>>>> boxplot(c(x,y), beside=T)
>>>>>>>      
>>>>>>>           
>>>>>>
>>>>>> Have you tried barplot(), instead of boxplot()???
>>>>>>
>>>>>> Cheers,
>>>>>>
>>>>>> Kev
>>>>>>
>>>>>>    
>>>>>>         
>>>>>
>>>>> ______________________________________________
>>>>> R-help at stat.math.ethz.ch mailing list
>>>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>>>> PLEASE do read the posting guide! 
>>>>> http://www.R-project.org/posting-guide.html
>>>>>
>>>>>  
>>>>>       
>>>>
>>>> ______________________________________________
>>>> R-help at stat.math.ethz.ch mailing list
>>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>>> PLEASE do read the posting guide!
>>>> http://www.R-project.org/posting-guide.html
>>>>
>>>>
>>>>
>>>>     
>>>
>>> ______________________________________________
>>> R-help at stat.math.ethz.ch mailing list
>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>> PLEASE do read the posting guide!
>>> http://www.R-project.org/posting-guide.html
>>>   
>>
>>
>> Petr Pikal
>> petr.pikal at precheza.cz
>>
>> ______________________________________________
>> R-help at stat.math.ethz.ch mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide! 
>> http://www.R-project.org/posting-guide.html
>>
>>  
>>
>
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide! 
> http://www.R-project.org/posting-guide.html




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