Science Score: 39.0%
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Found 8 DOI reference(s) in README -
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Low similarity (13.8%) to scientific vocabulary
Keywords
Repository
Urban Centrality Index
Basic Info
- Host: GitHub
- Owner: ipeaGIT
- License: other
- Language: R
- Default Branch: main
- Homepage: https://ipeagit.github.io/uci/
- Size: 3.2 MB
Statistics
- Stars: 6
- Watchers: 1
- Forks: 1
- Open Issues: 1
- Releases: 2
Topics
Metadata Files
README.md
uci: Urban Centrality Index
uci is an R package to calculate the Urban Centrality Index (UCI) originally proposed by Pereira et al., (2013). The UCI measures the extent to which the spatial organization of a city or region varies from extreme polycentric to extreme monocentric in a continuous scale from 0 to 1. Values close to 0 indicate more polycentric patterns and values close to 1 indicate a more monocentric urban form. More info on this vignette.
Installation
```R
from CRAN
install.packages('uci')
or use the development version with latest features
utils::remove.packages('uci') devtools::install_github("ipeaGIT/uci") ```
Basic Usage
```R library(uci)
load data
datadir <- system.file("extdata", package = "uci") grid <- readRDS(file.path(datadir, "grid_bho.rds"))
head(grid)
> Simple feature collection with 6 features and 4 fields
> Geometry type: POLYGON
> Dimension: XY
> Bounding box: xmin: -43.96438 ymin: -19.97414 xmax: -43.93284 ymax: -19.96717
> Geodetic CRS: WGS 84
> id population jobs schools geometry
> 1 89a881a5a2bffff 439 180 0 POLYGON ((-43.9431 -19.9741...
> 2 89a881a5a2fffff 266 134 0 POLYGON ((-43.94612 -19.972...
> 3 89a881a5a67ffff 1069 143 0 POLYGON ((-43.94001 -19.972...
> 4 89a881a5a6bffff 245 61 0 POLYGON ((-43.9339 -19.9728...
> 5 89a881a5a6fffff 298 11 0 POLYGON ((-43.93691 -19.971...
> 6 89a881a5b03ffff 555 1071 0 POLYGON ((-43.96136 -19.970...
calculate UCI
df <- uci( sfobject = grid, varname = 'jobs', bootstrap_border = FALSE, showProgress = TRUE )
head(df)
> UCI locationcoef spatialseparation spatialseparationmax
> 1 0.2538635 0.5278007 3880.114 7475.899
```
Citation 
The R package uci is developed by a team at the Institute for Applied Economic Research (Ipea), Brazil. If you use this package in research publications, please cite it as:
- Pereira, R. H. M., Nadalin, V., Monasterio, L., & Albuquerque, P. H. (2013). Urban centrality: a simple index. Geographical analysis, 45(1), 77-89. https://www.doi.org/10.1111/gean.12002
BibTeX:
@article{pereira2013urbancentrality,
title = {Urban {{Centrality}}: {{A Simple Index}}},
author = {Pereira, Rafael H. M. and Nadalin, Vanessa and Monasterio, Leonardo and Albuquerque, Pedro H. M.},
year = {2013},
journal = {Geographical Analysis},
volume = {45},
number = {1},
pages = {77--89},
issn = {1538-4632},
doi = {10.1111/gean.12002}
}
Acknowledgement
The Hex image above illustrates Christaller’s Central Place Theory. It was adapted from an image originally created by Christaller and adapted by Becerra, 2015.
Owner
- Name: IpeaDIRUR
- Login: ipeaGIT
- Kind: organization
- Repositories: 19
- Profile: https://github.com/ipeaGIT
GitHub Events
Total
- Push event: 2
Last Year
- Push event: 2
Issues and Pull Requests
Last synced: 7 months ago
All Time
- Total issues: 16
- Total pull requests: 0
- Average time to close issues: about 1 month
- Average time to close pull requests: N/A
- Total issue authors: 4
- Total pull request authors: 0
- Average comments per issue: 0.5
- Average comments per pull request: 0
- Merged pull requests: 0
- Bot issues: 0
- Bot pull requests: 0
Past Year
- Issues: 1
- Pull requests: 0
- Average time to close issues: 6 days
- Average time to close pull requests: N/A
- Issue authors: 1
- Pull request authors: 0
- Average comments per issue: 1.0
- Average comments per pull request: 0
- Merged pull requests: 0
- Bot issues: 0
- Bot pull requests: 0
Top Authors
Issue Authors
- rafapereirabr (11)
- rafabelokurows (1)
- FlorianNachtigall (1)
- retaoliveira (1)
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Packages
- Total packages: 1
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Total downloads:
- cran 213 last-month
- Total dependent packages: 0
- Total dependent repositories: 0
- Total versions: 3
- Total maintainers: 1
cran.r-project.org: uci
Urban Centrality Index
- Homepage: https://github.com/ipeaGIT/uci
- Documentation: http://cran.r-project.org/web/packages/uci/uci.pdf
- License: MIT + file LICENSE
-
Latest release: 0.3.0
published over 2 years ago
Rankings
Maintainers (1)
Dependencies
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- actions/checkout v3 composite
- r-lib/actions/setup-pandoc v2 composite
- r-lib/actions/setup-r v2 composite
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- r-lib/actions/setup-r v2 composite
- r-lib/actions/setup-r-dependencies v2 composite
- actions/checkout v3 composite
- actions/upload-artifact v3 composite
- r-lib/actions/setup-r v2 composite
- r-lib/actions/setup-r-dependencies v2 composite
- R >= 4.2.0 depends
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- cppRouting * imports
- data.table * imports
- fields * imports
- furrr * imports
- future * imports
- pbapply * imports
- sf * imports
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