anchor.diff:  val,300,2016-11-06,nickel
   val,243,2016-11-07,nickel
   pld,300,2016-11-07,nickel
  -val,184,2016-11-07,rent
   pld,5.50,2016-11-09,grocery
   pld,13.24,2016-11-14,grocery
   pld,9.77,2016-11-22,grocery
   pld,10.30,2016-11-28,grocery
   pld,200,2016-12-05,nickel
   val,120,2016-12-05,nickel
  -val,364,2016-12-05,rent
   val,-90,2016-11-01,withdrawal
   val,-7,2016-11-01,free-penality
   val,-20,2016-11-01,urban-laser
  
positive.code: pld,8.54,2017-02-06,grocery
  pld,6.76,2017-02-06,grocery
  pld,6.45,2017-02-06,grocery
  val,184,2017-02-06,rent
  val,236,2017-02-07,nickel
  pld,3.30,2017-02-07,bread
  pld,66.38,2017-02-09,grocery
  pld,1.71,2017-02-09,grocery
  pld,1.10,2017-02-09,bread
  pld,280,2017-02-10,nickel
  
negative.code: val,7,2017-01-02,grocery
  val,-25.5,2016-12-30,holidays
  pld,300,2017-01-03,rent
  pld,7.89,2017-01-04,grocery
  pld,9.52,2017-01-04,grocery
  val,345,2017-01-09,nickel
  