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A waffle chart depicts progress toward a goal or a percentage of completion. A grid of tiny cells is present, with colored cells representing the data. A chart can be divided into one or more categories. Multiple waffle charts can be combined to offer a comparison of various charts.
A waffle chart is essentially a square display made up of 100 smaller squares organized in a 10-by-10 grid where each box corresponds to 1%. The colored boxes represent the percentage of the target that was met, with 100 percent being the entire goal. The squares are colored to represent the proportions that will be represented, similar to how various slices of a pie chart are colored. Because its square pattern resembles a scrumptious waffle, the chart’s name is self-explanatory:
Conducting exploratory research seems tricky but an effective guide can help.
Many waffle charts are not made out of squares, but rather other forms, most often circles. Other forms, such as little icons, are also possible—in this instance, we’re getting close to the territory of pictogram charts.
Waffle charts with more (or less) than 100 units, where the elements reflect actual amounts rather than fractions or percentages, offer another option.
In the latter situation, there are some parallels with the charts we often see following elections, which indicate the allocation of the various seats. One may argue that these kind of charts (‘Parliament charts’) are simply a distorted version of waffle charts.
Some individuals choose to rotate their waffle charts by 45° for aesthetic reasons.
A circular waffle chart is also known as a plum pudding chart, after J.J. Thomson’s plum pudding model for the atom, which was inspired by a Christmas dessert.
Some people may use a grid map of waffle chart to summarize a data in one chart. The chart below shows the use of internet in African countries.
No, 3-D Waffle charts are not possible to draw. They do not give biased results.