gvisMap(data, locationvar = "", tipvar = "", options = list(), chartid)data.frame. The data has to have at
least two columns with location name (locationvar)
and the variable to display the text in the tip icon
(tipvar).data with the
geo locations to be analysed. The locations can be
provide in two formats: [object Object],[object Object]data with the string
text displayed over the tip icon.