Table 1.
Sample records in CDR data.a
X | Y | ID | Time | Duration (sec) |
---|---|---|---|---|
195925 | 32464 | J000001 | 82141 | 81 |
195925 | 32464 | J000001 | 82456 | 75 |
195018 | 31555 | J000002 | 82100 | 140 |
XY coordinates are transferred from geographical coordinate system. A conversion can be made to convert them into the absolute latitude and longitude coordinates.