I have a set of data, the production of oil from a well.  And an equation to 
predict that forecast.  

The equation requires 5 input variables which are real numbers with upper and 
lower bounds, 1 input variable which must be an integer and 1 input variable 
which can be 1 of 2 string variables.  

What is the best optimization routine (I am using nlminb) to use in R to 
determine the best set of inputs and how to I handle the integer and string 
inputs when optimizing?  

I have attached a plot of what I am trying to accomplish as well as my sample 



Attachment: Rplot.pdf
Description: Rplot.pdf

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  • [R] Best Opt... JamesRyan(Ryan James)/E&P North America Business Division
    • Re: [R]... Paul Smith
      • Re:... JamesRyan(Ryan James)/E&P North America Business Division

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