williamscollege / emissions-calc

emissions-calc

Calculates the distance traveled based on amtrac and airport lookup tables, included.

Both detailed output and error output are in the output directory.

Developer details

Repository: https://github.com/williamscollege/emissions-calc

Script location: Run locally

Developers: Cheryl Handsaker (2018), Updated by Sam Gilman, Cheryl Handsaker (2019)

Stakeholders

Zilkha Center

Instructions

Input

Replace the file travel.csv in the /input folder with your file. Maggie Koperniak is the source for the data. Data includes baggage fees marked with "XAO", "XAA", and "FEE".

IMPORTANT: Data should be sorted in the following order:

1. Passenger Name ASC then by
2. Merchant (ASC) then by
3. Origin City (ASC) then by
4. Desination City (ASC) then by
5. Amount (DESC)

Execute

Run on the command line "php index.php"

Produces a summary of the mileage, broken out by train and airline travel.

#Output There are four detailed files produced in the /output directory

processed.csv is the file that outputs each line in the input file with a status code indicating how it was interpreted.

• P - Processed and included in the mileage calculation
• C - Credit without a corresponding charge. No mileage is added or subtracted.
• N - No miles calculated. This indicates the origin and destination city are the same.
• I - Incidentals. This line assumes these charges are for baggage fees, seat upgrades and meals.
• M - Manual review needed.
• X - Coded incidenentals using "XAO", "XAA", and "FEE".
• E - Error indicates that one of the fields required for processing is missing. Typically this is the origin or destination city.
• U - Unused. Indicated this line was somehow missed in the processing.

manualreview.csv is a file for items that require human review in context.

unprocessed.csv is a file of the errors encountered, such as missing origin or destination city.

mileage.csv is a file of the rows that go into the calculated mileage.