I have daily data that looks like this: Date Hour Name Transaction_Count 1/1 1 Joe 2 1/1 12 Joe 1 1/1 17 Joe 5 ... I want to explode the data to look like this such that missing Hour observatons with a value of '0' are inserted: 1/1 1 Joe 2 1/1 2 Joe 0 1/1 3 Joe 0 1/1 4 Joe 0 1/1 5 Joe 0 1/1 6 Joe 0 1/1 7 Joe 0 1/1 8 Joe 0 1/1 9 Joe 0 1/1 10 Joe 0 1/1 11 Joe 0 1/1 12 Joe 1 1/1 13 Joe 0 1/1 14 Joe 0 1/1 15 Joe 0 1/1 16 Joe 0 1/1 17 Joe 5 1/1 18 Joe 0 1/1 19 Joe 0 1/1 20 Joe 0 1/1 21 Joe 0 1/1 22 Joe 0 1/1 23 Joe 0 1/1 24 Joe 0 What is the best way to insert missing records for a time series? ... View more