On 03/06/2013 12:45 AM, km wrote:
Dear All,
I have a table as following
position type count
1 2 100
1 3 51
1 5 64
1 8 81
1 6 32
2 2 41
2 3 85
and so on
Normally if would have a vector of 2,3,4,5... by position position and
plot them by position.
But now i have counts of these types.
Is there a way to compute boxplot of such kind of data ?
Hi KM,
We must assume that the "type" variable is to be used as a value,
otherwise you would want something like a frequency plot by two factors
of position and type. (If this is the case, I would suggest a nested bar
plot). Here is a fairly awful kludge that will get you a boxplot (tdf is
your "table"):
reprow<-function(x) return(matrix(rep(x[1:2],x[3]),ncol=2,byrow=TRUE))
replist<-apply(as.matrix(tdf),1,reprow)
repmat<-replist[[1]]
for(rep in 1:length(replist)) repmat<-rbind(repmat,replist[[rep]])
boxplot(repmat[,2],repmat[,1])
With apologies
Jim
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