anchor.diff:  
   == normalDistribution
   
  -The `normalDistribution` function returns a normal probability distribution (https://en.wikipedia.org/wiki/Normal_distribution)
  +The `normalDistribution` function returns a https://en.wikipedia.org/wiki/Normal_distribution[normal probability distribution]
   based on its parameters. This function is part of the probability distribution framework and is designed to
  -work with the `sample`, `kolmogorovSmirnov` and `cumulativeProbability` functions.
  +work with the `<<sample>>`, `<<kolmogorovSmirnov>>` and `<<cumulativeProbability>>` functions.
   
   === normalDistribution Parameters
   
  -* `double` : mean
  -* `double` : standard deviation
  +* `double`: mean
  +* `double`: standard deviation
   
   === normalDistribution Returns
   
  -probability distribution function
  +A probability distribution function.
   
   === normalDistribution Syntax
   
  
positive.code: 
  === predict Parameters
  
  //TODO 7.1 - fill in details of Parameters
  * `regress output`
  * `numeric predictor`
  
  
negative.code: 
  == zipFDistribution
  
  The `zipFDistribution` function returns a https://en.wikipedia.org/wiki/Zeta_distribution[ZipF distribution]
  based on its parameters. This function is part of the
  probability distribution framework and is designed to work with the `<<sample>>`,
  `<<probability>>` and `<<cumulativeProbability>>` functions.
  
  === zipFDistribution Parameters
  
  * `integer`: size
  * `double`: exponent
  
  === zipFDistribution Returns
  
  A probability distribution function.
  
  === zipFDistribution Syntax
  
  [source,text]
  zipFDistribution(5000, 1.0)
  