Comments (2)
Yes, this is the expected behavior. Per the README:
The return value of the rollup function will replace the array of leaf values in either the associative array returned by nest.map or nest.object; for nest.entries, it replaces the leaf entry.values with entry.value.
You can try using array.map if you want to change the structure of the returned object. If you have further questions, also consider using Stack Overflow or the d3-js Google group to ask for help. Thank you!
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Ok, thanks !
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Related Issues (19)
- Fix prototype.constructor.
- d3.map could take an optional value accessor function? HOT 1
- ES6 Collections. HOT 2
- d3.group convenience function? HOT 3
- Support natural sorting of keys. HOT 5
- sortValues after rollup HOT 2
- Feature request HOT 1
- d3.nest reformats a Date object to a string HOT 1
- Nest: individual key sorting HOT 1
- es6 import syntax example? HOT 4
- d3.nest retains node properties after rollup HOT 4
- Feature Request - same level nesting by multiple key HOT 1
- Custom key, values field names for the nest() HOT 5
- Why does d3.nest.map prepend a prefix? HOT 4
- nest.rollup should create {key, value} for leaf entries. HOT 9
- Add nest.count or nest.visit? HOT 1
- Mutable nests? HOT 1
- Support string as accessor? HOT 1
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