Google Code-in

It will be useful to have some interesting visualizations added to the readme.md file to give some idea to users what to expect from each function in package bdvis.

If you have not completed "Check example code for package bdvis" please complete that first

1. Please install development version of package bdvis from github (if you have not already done so)
2. Get some biodiversity occurrence data
3. Create some interesting output maps and graphs
4. Share them in response to the issue https://github.com/vijaybarve/bdvis/issues/105