In case #1, the argument 'breaks' can break the histogram cells:
hist(y, breaks=c(0, 0.5, 1.0, 1.5, 2.0)) # not the same ^_^

2005/6/18, ap <ap@solarrain.com>:
> 
> 
> # CASE 1
> # The following plots a single cell or block for all three location 0,1,2.
> y <- rep(2,8)
> hist(y) # why is this a single block?
> hist(y,xlim=c(0,2)) # same thing
> hist(y,breaks=2) # same
> 
> # CASE 2
> # adding a different value, plots as expected
> y <- append(y,0)
> hist(y) # plots as expected
> 
> In most cases of the data I have variances in the data so this is not an
> issue. In some situations case #1 appears and I would like to
> differentiate it among the other values.
> 
> Thanks
> 
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