anchor.diff:  open FSharp.Collections.ParallelSeq
   open HomeDepot.Core
   open StringUtils
  +open System.Text
   
   printfn "Building Brand Name set..."
   let brands =
  
positive.code:           | "yes" -> name // if true attrib, include attrib name
            | "no"  -> String.Empty
            | _     -> value
        a |> Seq.map (fun (_, name, value) -> getAttrStr name value) |> String.concat " "
      | None -> String.Empty
  
  let getFeatures attribs attribMap sample =
      sample |> features attribs (brandName attribMap sample.ProductId)
  
negative.code:        float wordMatchCount
         float titleMatches.Length
         float titleMatches.Length / float uniqueWords.Length
         float descMatches.Length
         float descMatches.Length / float uniqueWords.Length
         float attrMatches.Length
  //       float attrMatches.Length / float uniqueWords.Length
         float brandNameMatch |]
  
  let getAttr attribMap productId =
  