Data

D3 nested data

D3 nested data
  1. What does D3 nest do?
  2. Is D3 good for data visualization?
  3. What is D3 rollup?
  4. What is D3 bisector?

What does D3 nest do?

D3. nest() function is used to group the data as groupBy clause does in SQL. It groups the data on the basis of keys and values. Parameters: This function does not accept any parameters.

Is D3 good for data visualization?

D3 is extremely fast, It encourages code reusability. It supports large datasets and provides an easy way of loading and transforming data. It's good for creating visualizations with rich interactions.

What is D3 rollup?

d3. rollup lets you “reduce” each group by computing a corresponding summary value, such as a sum or count. The result is a map from key to reduced value.

What is D3 bisector?

The bisector() Function in D3. js is used to returns a new bisector using the specified accessor or comparator function. This method can be used to bisect arrays of objects instead of being limited to simple arrays of primitives.

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