Hello,
I am having two data set original and predicted.
I want to dind QQ-plot fot it.
I tried in following manner :
>qq(original~predicted)
and error was :
Error in qq.formula(o ~ p) : y must have exactly 2 levels
There is an option "qtype" which dosent make any difference.
What is the correct way for plotting QQ-plot or am I missing something.
--
Amar Kumar Nandan
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