Variable Categories

Explanations and statistics

Explanations

Mean

Standard deviation

Personal

Male

If the traveler is male, it takes value 1, otherwise 0, a binary variable

0.5

0.5

Age

Age of the traveler, a continuous variable

50.77

11.85

Post graduate work/advanced degree (education level), (PGD)

If the traveler has the stated academic degree, it takes value 1, otherwise 0, a binary variable

0.25

0.43

Household

Household size, (HH2)- (HH3) and (HH ≥ 4)

Several binary variables including: 1 person household (base), 2-person household, 3-person household, 4 or more than 4-person household

HH1 = 0.11

HH2 = 0.42

HH3 = 0.17

HH ≥ 4 = 0.29

HH1 = 0.31

HH2 = 0.49

HH3 = 0.37

HH ≥ 4 = 0.45

Income level of more than $65K, (Inc65K)

If the traveler’s household income is more than $65K annually, it takes value 1, otherwise 0, a binary variable

0.62

0.48

Number of driver’s license holders in the household, (DLHH)

A continuous variable

2.11

0.69

Land Use

Total jobs density in the home TAZ, (JDH)

A continuous variable (1,000 employees per square mile)

1.27

1.26

Total jobs density in the work TAZ, (JDW)

A continuous variable (1,000 employee per square mile)

2.78

1.75

Tour

Number of work tours, (NWT)

Number of work tours that a traveler makes during a day, a continuous variable

1.28

0.49

Tour starting time from home, (TS)

A one-hour period during which the work tour starts. For example: TS78am means the tour starts between 7 and 8 a.m., several binary variables

TS67AM = 0.13

TS78AM = 0.39

TS89AM = 0.14

TS67AM = 0.34

TS78AM = 0.48

TS89AM = 0.35

Tour ending time, (TE)

A one-hour period during which the work tour ends. For example: TE45pm means the traveler arrives back at home between 4 and 5 p.m., several binary variables

TE23PM = 0.03

TE34PM = 0.07

TE45PM = 0.17

TE56PM = 0.26

TE67PM = 0.10

TE78PM = 0.04

TE89PM = 0.05

TE23PM = 0.18

TE34PM = 0.25

TE45PM = 0.37

TE56PM = 0.44

TE67PM = 0.30

TE78PM = 0.20

TE89PM = 0.22