On the adjacent tabs, you will find demonstrations whereby you can load your own data into a fully functional Google Visualization chart.
You'll need the HTML5 File Api to use the file loader but no worries, if your browser is lagging behind in HTML5 adoption ::cough::IE::cough:: you can still try out the demos by pasting data into the text area in the first example.
If you don't have a dataset of your own feel free to try one of these:
The main project page can be found on GitHub
For API specifics. See the API Documentation.
If you would like to provide feedback, start a Discussion.
If you find a bug, report an Issue.
If you have a suggestion for a new feature, create a Feature Request.
To use this demo, simply paste your dataset into the text area and hit the 'Run' button.
To use this demo, just choose a CSV file through the file dialog.
If your data sample isn't working, be sure to edit it to include a line at the top with the header names.