Low income: poverty rate at least 20 percent or median family income at most 80
percent of the area median. Low access: at least count people or
share of the population beyond the access threshold (1 mile urban, 10
miles rural) from the nearest supermarket.
Usage
FoodDesert(
population,
beyond,
poverty_rate,
family_income,
area_median_income,
urban,
share = 1/3,
count = 500
)
Arguments
- population
Tract population.
- beyond
Population beyond the access threshold.
- poverty_rate
Poverty proportion.
- family_income
Median family income.
- area_median_income
Area median income.
- urban
Logical, urban tract.
- share, count
Low-access thresholds.
Value
list(low_income, low_access, lila, threshold_miles, n_lila,
lila_population).
References
Dutko, P., Ver Ploeg, M. and Farrigan, T. (2012). Characteristics
and Influential Factors of Food Deserts. USDA Economic Research Service,
Economic Research Report 140.
Examples
FoodDesert(4000, 1500, 0.25, 40000, 60000, TRUE)$lila
#> [1] TRUE
