gvisGeoMap(data, locationvar = "", numvar = "", hovervar = "",
options = list(), chartid)data.frame. The data has to have at
least two columns with location name
(locationvar), value to be mapped to location
(numvar) and an optional variable to display any
text while the mouse hovers over the locdata with the
geo locations to be analysed. The locations can be
provide in two formats:[object Object],[object Object]
data with the numeric
value displayed when the user hovers over this region.data with the
additional string text displayed when the user hovers
over this region.