transform.js

var Transform;

Transform = (function() {
  function Transform() {}

  return Transform;

})();

Transform.prototype.process = function(obj) {
  var i, k, len, results;
  results = [];
  for (k = 0, len = obj.length; k < len; k++) {
    i = obj[k];
    if (i.hasOwnProperty("lang") && i.lang === "R") {
      results.push(Transform.prototype["R_" + i["function"]](i.properties));
    } else {
      results.push(Transform.prototype[i["function"]](i.properties));
     // results.push(Define.prototype.count(i.properties));
    }
  }
  return results;
};
Transform.prototype.pow = function(obj) {
  var dataTable, field, j, k, key, len, power, results, value, variable;
  dataTable = lib.GoG_JSON[obj.data];
  power = obj.power;
  field = obj.field;
  variable = obj.name;
  results = [];
  for (k = 0, len = dataTable.length; k < len; k++) {
    j = dataTable[k];
    results.push((function() {
      var results1;
      results1 = [];
      for (key in j) {
        value = j[key];
        results1.push(j[variable] = Math.pow(j[field], power));
      }
      return results1;
    })());
  }
  return results;
};
Transform.prototype.count = function(obj) {
  var dataTable, field, j, k, key, len, power, results, value, variable;
  dataTable = lib.GoG_JSON[obj.data];
 // power = obj.power;
  field = obj.field;
  variable = obj.name;
  results = [];
  for(i=0;i<dataTable.length;i++){
	  temp=dataTable[i];
	  count=0;
	  for(j=0;j<dataTable.length;j++){
		  if(temp[field]==dataTable[j][field]){
			  count++;
			  }
	}
    temp[variable]=	count;
	results.push(temp);
  }
 /* for (k = 0, len = dataTable.length; k < len; k++) {
    j = dataTable[k];
    results.push((function() {
      var results1;
      results1 = [];
      for (key in j) {
        value = j[key];
        results1.push(j[variable] = Math.pow(j[field], power));
      }
      return results1;
    })());
  }*/
  return results;
};
Transform.prototype.groupby = function(obj) {
  var dataTable, field, j, k,results, variable, count=0,YAxes,yy;
  dataTable = lib.GoG_JSON[obj.data];
  field = obj.field;
  YAxes=obj.yAxes;
  variable = obj.name;
  yy=obj.y;
  results = [];
 dataTable.sort(function(a,b){
   return a[field]- b[field]; //to reverse b.date-a.date
});
 // power = obj.power;
     
	 var Result=[];
	 temp=dataTable[0];
	 temp[yy]=dataTable[0][YAxes];
	 results.push(temp);
	 
	 for(var k =1 ; k<dataTable.length;k++)
	   {
		   temp=dataTable[k];
		  if(dataTable[k][field]==dataTable[k-1][field])
		 {
			 count +=dataTable[k][YAxes];
			 temp[yy]=count;
			 results.push(temp);
			
		 }
		 else
		 { 
			 
			 count=0;
			 count +=dataTable[k][YAxes];
			 temp[yy]=count;
			 results.push(temp);
			
			 
		 }
	   }
  return results;
};
Transform.prototype.R_fibonnaci = function(obj) {
  var data, dataTable, field, length, library, variable;
  dataTable = lib.GoG_JSON[obj.data];
  variable = obj.name;
  field = obj.field;
  length = obj.length;
  library = obj.library;
  data = {
    n: length,
    sequence: true
  };
  ocpu.seturl("http://localhost:5888/ocpu/library/" + library + "/R");
  ocpu.rpc("fibonacci", data, function(output) {
    var j, k, len, m, results;
    m = 0;
    results = [];
    for (k = 0, len = dataTable.length; k < len; k++) {
      j = dataTable[k];
      j[variable] = output[m];
      results.push(m++);
    }
    return results;
  });
};

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