[R] Interpreting Q-Q Plots

[Keith Jewell]

On 14/05/2012 23:21, Rich Shepard wrote:
> On Tue, 15 May 2012, Peter Alspach wrote:
>
>> Probably highly skewed to the right, with discrete values (perhaps 
>> due to
>> the limitations in the accuracy of the assessment equipment).
>
> Peter,
>
>   Most of these data are near zero or the lower detection limit. A few
> values are very much higher. I didn't think of skewness as a reason.
>
>>  But note:
>>
>> library(fortunes)
>> fortune('chicken')
>
>   And since I don't have the experience, the only way to gain it is by
> learning from those with practice reading chicken entrails.
>
> Thanks,
>
> Rich
>
I found this page helpful 
http://www.cms.murdoch.edu.au/areas/maths/statsnotes/samplestats/qqplot.html

HTH

Keith J