From: Is bigger always better? A controversial journey to the center of machine learning design, with uses and misuses of big data for predicting water meter failures
1-2-2 Factor
# of meters
Total
1,239,977
Faulty (≥ 1)
23,752
1-2-2 (≥ 1)
1,154,054
1-2-2 (≥ 2)
1,091,334
1-2-2 (≥ 3)
1,038,337
1-2-2 (≥ 4)
981,420
1-2-2 (≥ 5)
915,441