This function obtains the indices of incidents within a specified distance around a specified point.
GeoId(x, y, distance, x.latitude = "latitude",
x.longitude = "longitude", y.latitude = "latitude",
y.longitude = "longitude")
data frame containing the longitude and the latitude of a point.
data frame containing the longitude and the latitude of incidents.
numeric. The distance from villages in kilometers.
character. The variable name for the latitude in x
.
character. The variable name for the longitude in x
.
character. The variable name for the latitude in y
.
character. The variable name for the longitude in y
.
A vector containing the indices of y
that are within
distance
kilometers around the point specified by x
. If
there are multiple observations in x
, the first row is used as
the point.