anchor.diff:  val,7,2017-01-02,grocery
   val,-25.5,2016-12-30,holidays
   pld,300,2017-01-03,rent
  -val,184,2017-01-05,rent
   pld,7.89,2017-01-04,grocery
   pld,9.52,2017-01-04,grocery
   val,345,2017-01-09,nickel
  
positive.code: 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
  
negative.code: pld,8.54,2017-02-06,grocery
  pld,6.76,2017-02-06,grocery
  pld,6.45,2017-02-06,grocery
  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
  val,92,2016-10-05,caf
  val,-92,2016-10-05,rent-refund
  val,92,2016-11-04,caf
  val,180,2016-11-08,caf
  val,182,2016-12-05,caf
  val,182,2017-01-05,caf
  val,182,2017-02-06,caf
  