Introduction to scales
Building a graph requires to transform a dimension (a numeric variable in your dataset) in a position in pixels. This is done using a fundamental dataviz concept called scale.
Before implementing it in the next lesson, let's describe a bit what this crucial concept of dataviz is.
Members only
4 minutes readTest your intuition
Let's test your intuition with the following exercise.
- You have a SVG area with a width of
500px. - You can place circles anywhere along this area horizontally.
- You have a dataset with 5 values:
0,50,60,82,100
→ How do you position your circles to represent this dataset? Drag the circles below following your intuition:
Note: the number in each circle represents its value in the dataset.
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