linear hotness

gistfile1.js

article = {
  meta : {
    white_click_count : 38,
    unknown_click_count : 399,
    white_saved_count : 299
  }
};

//weights from 0 to 1 of how important the attribute is
//sum of weights should add to 1
attribute_importance = {
  meta : {
    white_click_count : .5,
    unknown_click_count : .25,
    white_saved_count : .25
  }
}

//max values for each value
max_attribute_values = {
  meta : {
    white_click_count : 100,
    unknown_click_count : 1000,
    white_saved_count : 500
  }
}

//recursively go through article to multiply the importance * article property / max property value
//if max values are really the max, and importances all add up to one then function returns a hotness of 0 to 1
var getScore = function(article,attribute_importance,max_attribute_values) {
  var score = 0;
  for (var a in article) {
    if (typeof(article[a]) == "object") {
      score = score+ getScore(article[a],attribute_importance[a],max_attribute_values[a]);
    } else {
      score = score + article[a] * attribute_importance[a] / max_attribute_values[a];
    }
  }
  return score;
}


console.log(getScore(article,attribute_importance,max_attribute_values));