travel: Dataset of national travel revenue 1994s-2003s in chapter10

Description Usage Format

Description

A dataset containing year,travelincome,population,income.town... 7 variables of 10 objects

Usage

1

Format

a dataframe with 10 rows and 7 variables

year

year

travelincome

travelincome

population

travel population

income.town

average travel expenditure in town

income_village

average travel expenditure in village

distance_road

distance on road

distance_railway

distance on railway


zhaoxue-xmu/RDA documentation built on May 4, 2019, 10:17 p.m.