tpm {tpm}

TPM Tools: A package for calculating TPM PM3 Travel Time Reliability Scores from NPMRDS Data

Description

This package will provides functions needed to calculate PM3 System Reliability and Freight and CMAQ Congestion Federal TPM Performance measures

Details

Note: if your state has a large amount of data, you may encounter a "Error: vector memory exhausted (limit reached?)" error. See this StackOverflow post on resolving: https://stackoverflow.com/questions/51295402/r-on-macos-error-vector-memory-exhausted-limit-reached

PM3 functions

The functions lottr calculated LOTTR metric scores for TMC segments tttr calculates TTTR metric scores for TMC segments phed calculates PHED metric scores for TMC segments hpms generates an HPMS submission file in pipe delimited format