key Value Pair Documentation

Documentation for Key-Value pair in Hadoop MapReduce

Details in Data Mining Job

Key	Value Range	Description
Meta data info
0-1	1	count for data not worth mining
0-2	1	total useful tuples counts
Total Fee Distribution
1-1	1	Total fee in range [0,15)
1-2	1	Total fee in range[15,40)
1-3	1	Total fee in range[40,70)
1-4	1	Tolal fee over 70
1-5	1	Totle fee over 100
Tip willing
2-1	1	Pay by cash
2-1-month	1	Pay by cash each month
2-2	1	Pay by Credit card
2-2-month	1	Pay by Credit Card each month
2-3	1	Not tipped
2-4	float	tip percentage count
2-5	1	tip time count
2-5-1	float	tip percent
2-6-1-hour	float	tip percent by hour
2-6-2-hour	1	tip time count by hour
2-7-1	float	total Fare count
2-7-2	float	total tip count
location and time mining
3-1-1	1	total pickup time count
3-1-2	1	pick up manhattan count
3-1-3	1	pick up in midtown count
3-2-hour	1	pick up at midtown hour distribution
3-3-hour	1	leaving midtown
3-4-hour	1	arriving midtown
3-5-hour	1	leaving manhattan
3-6-hour	1	arriving manhattan
midtown to LGA data mining
4-hour-1	float(in minutes)	travel time consumption
4-hour-2	float(in miles/hour)	travel speed count
4-hour-3	1	valid data count
midtown to JFK data mining
5-hour-1	float(in minutes)	travel time consumption
5-hour-2	float(in miles/hour)	travel speed count
5-hour-3	1	valid data count
trip distance distribution
6-1	1	distance less than 1 mile
6-2	1	distance above 1 mile less than 2 miles
6-3	1	distance above 2 miles less than 4 miles
6-4	1	distance above 4 miles less than 6 miles
6-5	1	distance above 6 miles less than 8 miles
6-6	1	distance above 8 miles less than 10 miles
6-7	1	distance above 10 miles less than 14 miles
6-8	1	distance above 14 miles