anchor.diff:  ﻿// Learn more about F# at http://fsharp.net
   // See the 'F# Tutorial' project for more help.
  +// y=0.06391x + 0.750029999999
  +
   open System
   open System.IO
   
  
positive.code:     for d in sampleData do
          printfn "age:%f height:%f" d.age d.height
      
      let c = 0.75
      let ourF a = -(cost sampleData a c)
      
      let trail = climbHill ourF 1.0 10.9
  
negative.code:     let dataDir = Path.Combine(appDir.FullName, "Data")
      
      let ageFile = Path.Combine(dataDir, "ex2x.dat")
      let heightFile = Path.Combine(dataDir, "ex2y.dat")
  
      printfn "%s" ageFile
  
  