anchor.diff:  --------------------------------------------------
   
   We can now query the index for houses in "Morro Bay" and let predict the price
  -of our dream house with respect to the desired features like 3 bedrooms,
  +for our dream house with respect to the desired features like 3 bedrooms,
   2 bathrooms and at least 2000 square feet:
   [source,js]
   --------------------------------------------------
  
positive.code: The overall complexity of the implemented algorithm to estimate the regression coefficients is `O(N C² + C³)`, where
  `N` denotes the size of the training data set (the number of documents in the search result set) and `C` the number
  of the indicated explanatory variables (fields).
  
  ## Examples
  ### Predicting house prices
  
negative.code: }
  --------------------------------------------------
  
  ## License
  Copyright 2017 Scaleborn UG (haftungsbeschränkt).
  
  