Books, blog, online tutorials, and a wealth of tips and trips for doing data visualization with Excel. Some resources are free, others require enrollment fee.
Many resources and real-life examples of data visualizations. Check out the blog for downloadable data sets with complete instructions for making the charts.
An exhaustive collection of video tutorials and opportunities for free learning, along with download XLS files to practice. Covers all areas of Excel, not just visualization.
Cheatsheets for many of the popular R libraries and tasks including ggplot2. Data Wrangling cheatsheet also very useful which is not on page but can be found by searching the site.
Rate your visualization based on 24 guidelines covering text, arrangement, color, lines, and overall visualization to improve how you convey the story of your data.
