anchor.diff:  }
   --------------------------------------------------
   
  -## Installation
  -
  -### Elasticsearch 5.x
  -For installing this plugin please choose first the proper version under the compatible
  -matrix which matches your Elasticsearch version and use the download link for the following command.
  -
  -[source]
  -----
  -./bin/elasticsearch-plugin install https://github.com/scaleborn/elasticsearch-linear-regression/releases/download/5.3.0.1/elasticsearch-linear-regression-5.3.0.1.zip
  -----
  -The plugin will be installed under the name "linear-regression".
  -Do not forget to restart the node after installing.
  -
  -.Compatibility matrix
  -[frame="all"]
  -|===
  -| Plugin version | Elasticsearch version | Release date
  -| https://github.com/scaleborn/elasticsearch-linear-regression/releases/download/5.3.0.1/elasticsearch-linear-regression-5.3.0.1.zip[5.3.0.1]        | 5.3.0 | Jun  1, 2017
  -|===
  -
  -
   ## License
   Copyright 2017 Scaleborn UG (haftungsbeschränkt).
   
  
positive.code: --------------------------------------------------
  
  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,
  2 bathrooms and at least 2000 square feet:
  [source,js]
  --------------------------------------------------
  
negative.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).
  
  ## Installation
  
  ### Elasticsearch 5.x
  For installing this plugin please choose first the proper version under the compatible
  matrix which matches your Elasticsearch version and use the download link for the following command.
  
  [source]
  ----
  ./bin/elasticsearch-plugin install https://github.com/scaleborn/elasticsearch-linear-regression/releases/download/5.3.0.1/elasticsearch-linear-regression-5.3.0.1.zip
  ----
  The plugin will be installed under the name "linear-regression".
  Do not forget to restart the node after installing.
  
  .Compatibility matrix
  [frame="all"]
  |===
  | Plugin version | Elasticsearch version | Release date
  | https://github.com/scaleborn/elasticsearch-linear-regression/releases/download/5.3.0.1/elasticsearch-linear-regression-5.3.0.1.zip[5.3.0.1]        | 5.3.0 | Jun  1, 2017
  |===
  
  ## Examples
  ### Predicting house prices
  