added comparison between house 1 sound card power meter and utility meter readings.  Only 2.71% relative error ;)
added comparison between house 1 sound card power meter and utility
meter readings.  Only 2.71% relative error ;)

AlexRobson/nilmtk,jaduimstra/nilmtk,josemao/nilmtk,pauldeng/nilmtk,nilmtk/nilmtk,HarllanAndrye/nilmtk,mmottahedi/nilmtk,nilmtk/nilmtk