anchor.diff:  
   let trainInput = 
       train.Rows
  -    |> PSeq.map (fun w -> wordMatch w.Search_term w.Product_title (productDescription w.Product_uid) |> toFloatArray)
  -    |> PSeq.toArray
  +    |> Seq.map (fun w -> wordMatch w.Search_term w.Product_title (productDescription w.Product_uid) |> toFloatArray)
  +    |> Seq.toArray
   
   let trainOutput = 
       train.Rows
  
positive.code: open System.IO
  open System.Text.RegularExpressions
  open FSharp.Data
  open FSharp.Collections.ParallelSeq
  open Accord.Statistics.Models.Regression.Linear
  open Iveonik.Stemmers
  
  
negative.code: 
  let testInput = 
      test.Rows 
      |> Seq.map (fun w -> wordMatch w.Search_term w.Product_title (productDescription w.Product_uid) |> toFloatArray)
      |> Seq.toArray
  
  let target = MultipleLinearRegression(3, true)
  let error = target.Regress(trainInput, trainOutput)
  