How Waffle Charts Can Improve Availability Tracking
When tracking training availability over time, the right graph can change how effectively your data is communicated. While a line graph is the classic choice for time-series data, it doesn’t always capture the nuances of training availability, especially over a month or playing schedule. This is where the waffle chart shines - a more intuitive and visually compelling alternative that delivers sharper insights and makes your data pop.
A waffle chart, on the other hand, breaks down the data into individual day blocks, organised by week, with colours representing different levels of availability. This method is particularly effective when you want to compare availability across specific days of the week or identify patterns within the calendar layout. You can either have days labeled by their day of the week (e.g., Mon - Sun) or by training days (e.g., MD-2, MD-1,MD, MD+1).
Why the Waffle Chart Works Better
Contextual Clarity: The waffle chart organises data into a calendar format, which is a familiar layout. This makes it easier for a coach or athlete to understand the data in the context of weeks and days, rather than just as a continuous series.
Visual Engagement: The use of colour to represent availability adds a layer of visual engagement. Viewers can quickly spot patterns, such as which weeks had better availability or if certain days of the week consistently had higher or lower numbers.
Direct Comparisons: When you need to compare specific days across weeks (e.g., all Mondays), the waffle chart makes this effortless. In a line graph, such comparisons require more effort as the viewer has to trace the line back and forth.
Focus on Details: The addition of day numbers within each tile means that viewers don’t have to refer back to the axis to know which day they’re looking at. This focus on detail enhances the chart’s usability.
Conclusion
While line graphs are excellent for showing overall trends, waffle charts can offer superior clarity and insight when the goal is to analyse day-by-day availability within a calendar month. By organising data in a way that aligns with how people naturally think about days and weeks, the waffle chart not only makes the data more accessible but also more meaningful. For tracking training availability, where day-specific details and week-based comparisons are crucial, the waffle chart proves to be a more effective tool.
Interested to learn more?
If you’d like access to the R code used to generate the waffle chart shown above,
click the button below to join the Sports Analytics Academy where you can join in the conversation.
You’ll also receive FREE access to our ‘Fundamentals of Data Analysis’ course.