[R] How to sort frequency distribution table?

[Petr PIKAL]

Hi

Just order your table output.

xx<-sample(letters[1:5], 100, replace=T) 
yy<-table(xx)
barplot(yy[order(yy, decreasing=T)])

Regards
Petr


> 
> 
> Hi, 
> 
> I am working on categorical data with column as disease name(categaory).
> 
> My input data is
>  [1] Acute lymphoblastic leukemia (childhood)
>  [2] Adiponectin levels 
>  [3] Adiponectin levels 
>  [4] Adiponectin levels 
>  [5] Adiponectin levels 
>  [6] Adiponectin levels 
>  [7] Adiposity 
>  [8] Adiposity 
>  [9] Adiposity 
> [10] Adiposity 
> [11] Age-related macular degeneration 
> [12] Age-related macular degeneration 
> [13] Aging (time to death) 
> [14] Aging (time to event) 
> [15] Aging (time to event) 
> [16] Aging (time to event) 
> [17] Aging (time to event) 
> [18] AIDS 
> [19] AIDS 
> [20] AIDS
> .....
> 
> 
> when i use table command, i get
> 
>  
> [,1]
> Acute lymphoblastic leukemia (childhood)                             1
> Adiponectin levels  
> 5
> Adiposity  
> 4
> Age-related macular degeneration  
> 2
> Aging (time to death)  
> 1
> ......
> 
> But i need to sort this table by frequency and need to plot a histogram 
with
> lable first column (e.g. Adiposity , Age-related macular degeneration as
> bar name). How can i do it?
> 
> Regards
> 
> --
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