solr/contrib/ltr/src/test-files/modelExamples/linear-model-efi.json

{
  "class":"org.apache.solr.ltr.model.LinearModel",
  "name":"linear-efi",
  "features":[
    {"name":"sampleConstant"},
    {"name":"search_number_of_nights"}
  ],
  "params":{
    "weights":{
      "sampleConstant":1.0,
      "search_number_of_nights":2.0
    }
  }
}