Dear Kathie,
On Fri, 13 Feb 2009 21:08:25 -0800 (PST)
kathie <kathryn.lord2...@gmail.com> wrote:
> Dear R users,
> [snip]
>
> However, even though the results show that y=8 for x=0.11, when
> x=0.11, actual y value is -0.9. And, y=-0.8 for x=0.88. I cannot
> understand the above results.
It may help you to understand those results when you look at the
difference between
0.1 < x & x < 0.2
and
0.1 < x && x < 0.2
Your code used the latter but I strongly suspect you wanted the former.
HTH.
Best wishes,
Berwin
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