REAT (version 1.3.1)

Freiburg2:

Description

The 42 statistical districts of Freiburg (Germany) and the estimated annual purchasing power for groceries, based on average expenditures and population.

Usage

data("Freiburg2")

Format

A data frame with 42 observations on the following 2 variables.

district

a numeric vector representing the 42 statistical districts of Freiburg

ppower

a numeric vector containing the estimated absolute value of annual purchasing power for groceries in the district

References

Wieland, T. (2015): “Nahversorgung im Kontext raumoekonomischer Entwicklungen im Lebensmitteleinzelhandel - Konzeption und Durchfuehrung einer GIS-gestuetzten Analyse der Strukturen des Lebensmitteleinzelhandels und der Nahversorgung in Freiburg im Breisgau”. Projektbericht. Goettingen : GOEDOC, Dokumenten- und Publikationsserver der Georg-August-Universitaet Goettingen. http://webdoc.sub.gwdg.de/pub/mon/2015/5-wieland.pdf

Examples

data(Freiburg1)
# Distance matrix for grocery stores in Freiburg
data(Freiburg2)
# Statistical districts of Freiburg
groceryfr <- huff (Freiburg1, "district", "store", "salesarea", "distance", gamma=1, lambda=-2)
# Huff interaction matrix for given grocery stores in Freiburg
# with standard weighting (power function with gamma=1 and lambda=-2)
groceryfr_total <- huff (Freiburg1, "district", "store", "salesarea", "distance", 
gamma=1, lambda=-2, localmarket_dataset = Freiburg2, origin_id = "district", 
localmarket = "ppower", output="total")
# Calculating total sales of the stores