ngdist: Road Distances Between Nigerian State Capitals
In naijR: Operations to Ease Data Analyses Specific to Nigeria
ngdist R Documentation
Road Distances Between Nigerian State Capitals
Description
A symmetric distance matrix containing approximate road (driving)
distances in kilometres between all 37 Nigerian State capitals
(including Abuja for the Federal Capital Territory).
Usage
ngdist
Format
An object of class dist with 37 labels — one for each
State capital. The labels are city names in title case (e.g.
"Lagos", "Port Harcourt").
Details
The matrix holds 37 \times 36 / 2 = 666
unique pairwise distances. Values are sourced from UNDP and represent
typical road travel; actual distances may vary with route choice,
road conditions, or detours.
For a convenient way to look up individual distances, see
ng_distance.
See Also
ng_distance for querying a single pair of cities.
Examples
data(ngdist)
labels(ngdist) # city names
as.matrix(ngdist)[1:5, 1:5]
naijR documentation built on March 14, 2026, 1:06 a.m.
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| ngdist | R Documentation |
Road Distances Between Nigerian State Capitals
Description
A symmetric distance matrix containing approximate road (driving) distances in kilometres between all 37 Nigerian State capitals (including Abuja for the Federal Capital Territory).
Usage
ngdist
Format
An object of class dist with 37 labels — one for each
State capital. The labels are city names in title case (e.g.
"Lagos", "Port Harcourt").
Details
The matrix holds 37 \times 36 / 2 = 666
unique pairwise distances. Values are sourced from UNDP and represent
typical road travel; actual distances may vary with route choice,
road conditions, or detours.
For a convenient way to look up individual distances, see
ng_distance.
See Also
ng_distance for querying a single pair of cities.
Examples
data(ngdist)
labels(ngdist) # city names
as.matrix(ngdist)[1:5, 1:5]
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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