Hi all,
   For the simple linear regression, I want to find the input "x" value so
that the
lower confidnece limit is a specific number, say 0.2.
   In other words, I want to find the value of x so that the lower
confidence bound crosses the horizontal line 0.2.
   Is there a simple way (an R function) that can do this?
   Thanks.
    Hanna

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