Counting Violent Incidents around Villages

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Description

This function calculates the number of violent incidents within a specified distance around specified points (villages).

Usage

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GeoCount(x, y, distance, x.latitude = "latitude",
                      x.longitude = "longitude", y.latitude = "latitude",
                      y.longitude = "longitude")

Arguments

x

data frame containing the longitude and the latitude of villages.

y

data frame containing the longitude and the latitude of violent incidents.

distance

numeric. The distance from villages in kilometers.

x.latitude

character. The variable name for the latitude in x.

x.longitude

character. The variable name for the longitude in x.

y.latitude

character. The variable name for the latitude in y.

y.longitude

character. The variable name for the longitude in y.

Author(s)

Kosuke Imai, Department of Politics, Princeton University kimai@Princeton.Edu, http://imai.princeton.edu

Yuki Shiraito, Department of Politics, Princeton University shiraito@Princeton.Edu.