london_tree: London Road Collisions - Hierarchy
In treeSS: Tree-Spatial Scan Statistic for Cluster Detection
london_tree R Documentation
London Road Collisions - Hierarchy
Description
Hierarchical classification of road collisions by light conditions,
road type, and junction detail.
Usage
london_tree
Format
A data.frame with 81 rows and 2 columns:
- node_id
Character identifier of each node.
- parent_id
Character identifier of the parent node. NA
for the root.
Details
3-level tree: Root -> Light conditions (Daylight/Darkness) -> Road type
(5 types) -> Junction detail (7 types). 68 leaf categories.
Source
Constructed from the leaf-level codes in london_collisions.
See data-raw/ in the GitHub repository for the build script.
See Also
london_collisions
Examples
data(london_tree)
head(london_tree)
treeSS documentation built on May 16, 2026, 1:08 a.m.
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| london_tree | R Documentation |
London Road Collisions - Hierarchy
Description
Hierarchical classification of road collisions by light conditions, road type, and junction detail.
Usage
london_tree
Format
A data.frame with 81 rows and 2 columns:
- node_id
Character identifier of each node.
- parent_id
Character identifier of the parent node.
NAfor the root.
Details
3-level tree: Root -> Light conditions (Daylight/Darkness) -> Road type (5 types) -> Junction detail (7 types). 68 leaf categories.
Source
Constructed from the leaf-level codes in london_collisions.
See data-raw/ in the GitHub repository for the build script.
See Also
london_collisions
Examples
data(london_tree)
head(london_tree)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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