a table arranged in columnar format, with one column
indicating the locations, another the latitude and another the longitude
loc
the name or number of the column giving the names of the
locations to be used
long
the name or number of the column giving the longitude of the
locations
lat
the name or number of the column giving the latitude of the
locations
Value
A matrix with a column of longitude and latitude, respectively with rownames
correspnding to each location
Details
This function will create a location table with longitude (X) and latitude (Y) or their equivalents
for every location. This function ceates a matrix in the format needed for most of the geographic functions found in the fossil package.