Heart Failure Analysis, State Analysis
Doc Larry
October 8, 2020
Exploratory Data Analysis
Libraries
print("Loading libraries for state analysis...")## [1] "Loading libraries for state analysis..."#############################################################################
knitr::opts_chunk$set(echo = FALSE)
library(Amelia)
library(car)
library(corrplot)
library(ggcorrplot)
library(ggplot2)
library(kableExtra)
library(knitr)
library(leaflet)
library(leaflet.extras)## Warning: package 'leaflet.extras' was built under R version 4.0.3library(maptools)
library(MASS)
library(psych)
library(QuantPsyc)
library(raster)
library(sf)
library(shiny)
library(sp)
library(spatialEco)
library(spatialreg)
library(spData)
library(spdep)
library(tmap)
library(tmaptools)
library(rmapshaper)
#############################################################################Functions
## [1] "Loading functions for state analysis..."Load State-Level Data / Merge
## Warning in sp::proj4string(sp): CRS object has comment, which is lost in output## Deleting rows: 1438394546
Correlation Matrix, State Data
Principal Components Analysis
## [1] "We find a single PC that accounts for 98% of the variance for workload-related variables..."| x | |
|---|---|
| PC1 %Var | 0.9821355 |
| PC2 %Var | 0.0098255 |
| PC3 %Var | 0.0038796 |
| PC4 %Var | 0.0022415 |
| PC5 %Var | 0.0011427 |
| PC6 %Var | 0.0006567 |
| PC7 %Var | 0.0001184 |
Re-Check Correlations
Min Max Scale of State Data
| vars | n | mean | sd | median | trimmed | mad | min | max | range | skew | kurtosis | se | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AdmitRate | 1 | 51 | 0.525 | 0.244 | 0.584 | 0.536 | 0.225 | 0.000 | 1.000 | 1.00 | -0.401 | -0.701 | 0.034 |
| SumIncome | 2 | 51 | 0.458 | 0.149 | 0.424 | 0.444 | 0.068 | 0.000 | 1.000 | 1.00 | 0.874 | 3.626 | 0.021 |
| MeanProfitMgn | 3 | 51 | 0.048 | 0.136 | 0.028 | 0.029 | 0.009 | 0.000 | 1.000 | 1.00 | 6.652 | 43.440 | 0.019 |
| MeanCash | 4 | 51 | 0.374 | 0.221 | 0.300 | 0.341 | 0.101 | 0.000 | 1.000 | 1.00 | 1.282 | 0.983 | 0.031 |
| MeanEquity | 5 | 51 | 0.164 | 0.177 | 0.126 | 0.133 | 0.101 | 0.000 | 1.000 | 1.00 | 2.881 | 9.961 | 0.025 |
| MeanCare | 6 | 51 | 0.520 | 0.219 | 0.471 | 0.512 | 0.194 | 0.000 | 1.000 | 1.00 | 0.251 | -0.341 | 0.031 |
| MeanCaid | 7 | 51 | 0.283 | 0.231 | 0.234 | 0.255 | 0.223 | 0.000 | 1.000 | 1.00 | 0.967 | 0.400 | 0.032 |
| MeanVol | 8 | 51 | 0.494 | 0.286 | 0.469 | 0.496 | 0.371 | 0.000 | 1.000 | 1.00 | -0.084 | -1.259 | 0.040 |
| MeanMedSch | 9 | 51 | 0.232 | 0.209 | 0.148 | 0.192 | 0.101 | 0.000 | 1.000 | 1.00 | 1.906 | 3.466 | 0.029 |
| MeanSTAC | 10 | 51 | 0.574 | 0.261 | 0.592 | 0.586 | 0.268 | 0.000 | 1.000 | 1.00 | -0.381 | -0.827 | 0.037 |
| PC1 | 11 | 51 | 0.204 | 0.225 | 0.136 | 0.159 | 0.151 | 0.000 | 1.000 | 1.00 | 1.790 | 2.854 | 0.031 |
| AdmitRate2 | 12 | 51 | 0.210 | 0.061 | 0.224 | 0.213 | 0.056 | 0.079 | 0.328 | 0.25 | -0.401 | -0.701 | 0.009 |
Models
Linear Model
Marginal Models
## [1] "Run individual models to look at residuals..."Residual Testing
## [1] "Residual Analysis..."| Queen | Rook | |
|---|---|---|
| Moran’s I Value | 0.3119017 | 0.3092417 |
| Moran’s I p-value | 0.0000577 | 0.0000799 |
| LMerror | 0.0014441 | 0.0016997 |
| LMLag | 0.0000012 | 0.0000023 |
| RLMerr | 0.5453109 | 0.5965623 |
| RLMlag | 0.0002011 | 0.0003505 |
Queen Contiguity
## [1] "Queen FOC..."## Warning: Function stsls moved to the spatialreg package##
## Call:spatialreg::stsls(formula = formula, data = data, listw = listw,
## zero.policy = zero.policy, na.action = na.action, robust = robust,
## HC = HC, legacy = legacy, W2X = W2X)
##
## Residuals:
## Min 1Q Median 3Q Max
## -0.2149065 -0.0715304 0.0010923 0.0844202 0.2508452
##
## Coefficients:
## Estimate Std. Error t value Pr(>|t|)
## Rho 0.992076 0.123149 8.0559 8.882e-16
## (Intercept) -0.120339 0.133293 -0.9028 0.3666220
## SumIncome 0.018952 0.150950 0.1256 0.9000867
## MeanProfitMgn -0.479184 0.154507 -3.1014 0.0019263
## MeanCash 0.046579 0.104446 0.4460 0.6556201
## MeanEquity 0.045081 0.132425 0.3404 0.7335380
## MeanCare 0.238029 0.137659 1.7291 0.0837888
## MeanCaid 0.045490 0.094063 0.4836 0.6286607
## MeanVol -0.134376 0.077041 -1.7442 0.0811196
## MeanMedSch 0.427285 0.124247 3.4390 0.0005839
## MeanSTAC -0.011944 0.128139 -0.0932 0.9257329
## PC1 -0.172018 0.110505 -1.5566 0.1195546
##
## Residual variance (sigma squared): 0.013794, (sigma: 0.11745)Rook Contiguity
## [1] "Rook FOC..."## Warning: Function stsls moved to the spatialreg package##
## Call:spatialreg::stsls(formula = formula, data = data, listw = listw,
## zero.policy = zero.policy, na.action = na.action, robust = robust,
## HC = HC, legacy = legacy, W2X = W2X)
##
## Residuals:
## Min 1Q Median 3Q Max
## -0.2112067 -0.0683218 0.0010739 0.0835374 0.2490660
##
## Coefficients:
## Estimate Std. Error t value Pr(>|t|)
## Rho 0.992828 0.126324 7.8594 3.775e-15
## (Intercept) -0.141525 0.135392 -1.0453 0.2958840
## SumIncome 0.018472 0.153570 0.1203 0.9042559
## MeanProfitMgn -0.479125 0.157191 -3.0480 0.0023034
## MeanCash 0.054542 0.106565 0.5118 0.6087789
## MeanEquity 0.034381 0.134924 0.2548 0.7988664
## MeanCare 0.256163 0.139112 1.8414 0.0655618
## MeanCaid 0.048081 0.095842 0.5017 0.6158966
## MeanVol -0.128689 0.078178 -1.6461 0.0997431
## MeanMedSch 0.437130 0.126463 3.4566 0.0005471
## MeanSTAC -0.011228 0.130545 -0.0860 0.9314567
## PC1 -0.161608 0.112210 -1.4402 0.1498026
##
## Residual variance (sigma squared): 0.014277, (sigma: 0.11949)Comparison
| R2 | |
|---|---|
| OLS | 0.5293880 |
| Queen | 0.8191170 |
| Rook | 0.8127841 |
Graphical Residual Analysis
Be sure to recycle overlays!
Coefficients for State Analysis
| Linear Model | SE | t | p | Queen Est | SE | t | p | Rook Est | SE | t | p | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rho | 0.000 | 0.000 | 0.000 | 0.000 | 0.992 | 0.123 | 8.056 | 0.000 | 0.993 | 0.126 | 7.859 | 0.000 |
| (Intercept) | -0.219 | 0.211 | -1.036 | 0.306 | -0.120 | 0.133 | -0.903 | 0.367 | -0.142 | 0.135 | -1.045 | 0.296 |
| SumIncome | -0.055 | 0.240 | -0.231 | 0.819 | 0.019 | 0.151 | 0.126 | 0.900 | 0.018 | 0.154 | 0.120 | 0.904 |
| MeanProfitMgn | -0.418 | 0.246 | -1.701 | 0.097 | -0.479 | 0.155 | -3.101 | 0.002 | -0.479 | 0.157 | -3.048 | 0.002 |
| MeanCash | -0.162 | 0.161 | -1.006 | 0.320 | 0.047 | 0.104 | 0.446 | 0.656 | 0.055 | 0.107 | 0.512 | 0.609 |
| MeanEquity | 0.183 | 0.209 | 0.874 | 0.387 | 0.045 | 0.132 | 0.340 | 0.734 | 0.034 | 0.135 | 0.255 | 0.799 |
| MeanCare | 0.842 | 0.184 | 4.575 | 0.000 | 0.238 | 0.138 | 1.729 | 0.084 | 0.256 | 0.139 | 1.841 | 0.066 |
| MeanCaid | -0.163 | 0.144 | -1.134 | 0.263 | 0.045 | 0.094 | 0.484 | 0.629 | 0.048 | 0.096 | 0.502 | 0.616 |
| MeanVol | 0.129 | 0.111 | 1.160 | 0.253 | -0.134 | 0.077 | -1.744 | 0.081 | -0.129 | 0.078 | -1.646 | 0.100 |
| MeanMedSch | 0.386 | 0.198 | 1.952 | 0.058 | 0.427 | 0.124 | 3.439 | 0.001 | 0.437 | 0.126 | 3.457 | 0.001 |
| MeanSTAC | 0.483 | 0.179 | 2.696 | 0.010 | -0.012 | 0.128 | -0.093 | 0.926 | -0.011 | 0.131 | -0.086 | 0.931 |
| PC1 | -0.004 | 0.173 | -0.025 | 0.980 | -0.172 | 0.111 | -1.557 | 0.120 | -0.162 | 0.112 | -1.440 | 0.150 |
Citations
Amelia Package
##
## To cite Amelia in publications use:
##
## James Honaker, Gary King, Matthew Blackwell (2011). Amelia II: A
## Program for Missing Data. Journal of Statistical Software, 45(7),
## 1-47. URL http://www.jstatsoft.org/v45/i07/.
##
## A BibTeX entry for LaTeX users is
##
## @Article{,
## title = {{Amelia II}: A Program for Missing Data},
## author = {James Honaker and Gary King and Matthew Blackwell},
## journal = {Journal of Statistical Software},
## year = {2011},
## volume = {45},
## number = {7},
## pages = {1--47},
## url = {http://www.jstatsoft.org/v45/i07/},
## }car Package
##
## To cite the car package in publications use:
##
## John Fox and Sanford Weisberg (2019). An {R} Companion to Applied
## Regression, Third Edition. Thousand Oaks CA: Sage. URL:
## https://socialsciences.mcmaster.ca/jfox/Books/Companion/
##
## A BibTeX entry for LaTeX users is
##
## @Book{,
## title = {An {R} Companion to Applied Regression},
## edition = {Third},
## author = {John Fox and Sanford Weisberg},
## year = {2019},
## publisher = {Sage},
## address = {Thousand Oaks {CA}},
## url = {https://socialsciences.mcmaster.ca/jfox/Books/Companion/},
## }corrplot Package
##
## To cite corrplot in publications use:
##
## Taiyun Wei and Viliam Simko (2017). R package "corrplot":
## Visualization of a Correlation Matrix (Version 0.84). Available from
## https://github.com/taiyun/corrplot
##
## A BibTeX entry for LaTeX users is
##
## @Manual{corrplot2017,
## title = {R package "corrplot": Visualization of a Correlation Matrix},
## author = {Taiyun Wei and Viliam Simko},
## year = {2017},
## note = {(Version 0.84)},
## url = {https://github.com/taiyun/corrplot},
## }ggcorrplot Package
##
## To cite package 'ggcorrplot' in publications use:
##
## Alboukadel Kassambara (2019). ggcorrplot: Visualization of a
## Correlation Matrix using 'ggplot2'. R package version 0.1.3.
## https://CRAN.R-project.org/package=ggcorrplot
##
## A BibTeX entry for LaTeX users is
##
## @Manual{,
## title = {ggcorrplot: Visualization of a Correlation Matrix using 'ggplot2'},
## author = {Alboukadel Kassambara},
## year = {2019},
## note = {R package version 0.1.3},
## url = {https://CRAN.R-project.org/package=ggcorrplot},
## }ggplot2 Package
##
## To cite ggplot2 in publications, please use:
##
## H. Wickham. ggplot2: Elegant Graphics for Data Analysis.
## Springer-Verlag New York, 2016.
##
## A BibTeX entry for LaTeX users is
##
## @Book{,
## author = {Hadley Wickham},
## title = {ggplot2: Elegant Graphics for Data Analysis},
## publisher = {Springer-Verlag New York},
## year = {2016},
## isbn = {978-3-319-24277-4},
## url = {https://ggplot2.tidyverse.org},
## }kableExtra Package
##
## To cite package 'kableExtra' in publications use:
##
## Hao Zhu (2020). kableExtra: Construct Complex Table with 'kable' and
## Pipe Syntax. R package version 1.2.1.
## https://CRAN.R-project.org/package=kableExtra
##
## A BibTeX entry for LaTeX users is
##
## @Manual{,
## title = {kableExtra: Construct Complex Table with 'kable' and Pipe Syntax},
## author = {Hao Zhu},
## year = {2020},
## note = {R package version 1.2.1},
## url = {https://CRAN.R-project.org/package=kableExtra},
## }knitr Package
##
## To cite the 'knitr' package in publications use:
##
## Yihui Xie (2020). knitr: A General-Purpose Package for Dynamic Report
## Generation in R. R package version 1.29.
##
## Yihui Xie (2015) Dynamic Documents with R and knitr. 2nd edition.
## Chapman and Hall/CRC. ISBN 978-1498716963
##
## Yihui Xie (2014) knitr: A Comprehensive Tool for Reproducible
## Research in R. In Victoria Stodden, Friedrich Leisch and Roger D.
## Peng, editors, Implementing Reproducible Computational Research.
## Chapman and Hall/CRC. ISBN 978-1466561595
##
## To see these entries in BibTeX format, use 'print(<citation>,
## bibtex=TRUE)', 'toBibtex(.)', or set
## 'options(citation.bibtex.max=999)'.leaflet and leaflet.extras Packages
##
## To cite package 'leaflet' in publications use:
##
## Joe Cheng, Bhaskar Karambelkar and Yihui Xie (2019). leaflet: Create
## Interactive Web Maps with the JavaScript 'Leaflet' Library. R package
## version 2.0.3. https://CRAN.R-project.org/package=leaflet
##
## A BibTeX entry for LaTeX users is
##
## @Manual{,
## title = {leaflet: Create Interactive Web Maps with the JavaScript 'Leaflet'
## Library},
## author = {Joe Cheng and Bhaskar Karambelkar and Yihui Xie},
## year = {2019},
## note = {R package version 2.0.3},
## url = {https://CRAN.R-project.org/package=leaflet},
## }##
## To cite package 'leaflet.extras' in publications use:
##
## Bhaskar Karambelkar and Barret Schloerke (2018). leaflet.extras:
## Extra Functionality for 'leaflet' Package. R package version 1.0.0.
## https://CRAN.R-project.org/package=leaflet.extras
##
## A BibTeX entry for LaTeX users is
##
## @Manual{,
## title = {leaflet.extras: Extra Functionality for 'leaflet' Package},
## author = {Bhaskar Karambelkar and Barret Schloerke},
## year = {2018},
## note = {R package version 1.0.0},
## url = {https://CRAN.R-project.org/package=leaflet.extras},
## }maptools Package
##
## To cite package 'maptools' in publications use:
##
## Roger Bivand and Nicholas Lewin-Koh (2020). maptools: Tools for
## Handling Spatial Objects. R package version 1.0-2.
## https://CRAN.R-project.org/package=maptools
##
## A BibTeX entry for LaTeX users is
##
## @Manual{,
## title = {maptools: Tools for Handling Spatial Objects},
## author = {Roger Bivand and Nicholas Lewin-Koh},
## year = {2020},
## note = {R package version 1.0-2},
## url = {https://CRAN.R-project.org/package=maptools},
## }MASS Package
##
## To cite the MASS package in publications use:
##
## Venables, W. N. & Ripley, B. D. (2002) Modern Applied Statistics with
## S. Fourth Edition. Springer, New York. ISBN 0-387-95457-0
##
## A BibTeX entry for LaTeX users is
##
## @Book{,
## title = {Modern Applied Statistics with S},
## author = {W. N. Venables and B. D. Ripley},
## publisher = {Springer},
## edition = {Fourth},
## address = {New York},
## year = {2002},
## note = {ISBN 0-387-95457-0},
## url = {http://www.stats.ox.ac.uk/pub/MASS4/},
## }psych and QuantPsyc Packages
##
## To cite the psych package in publications use:
##
## Revelle, W. (2020) psych: Procedures for Personality and
## Psychological Research, Northwestern University, Evanston, Illinois,
## USA, https://CRAN.R-project.org/package=psych Version = 2.0.8,.
##
## A BibTeX entry for LaTeX users is
##
## @Manual{,
## title = {psych: Procedures for Psychological, Psychometric, and Personality Research},
## author = {William Revelle},
## organization = { Northwestern University},
## address = { Evanston, Illinois},
## year = {2020},
## note = {R package version 2.0.8},
## url = {https://CRAN.R-project.org/package=psych},
## }##
## To cite package 'QuantPsyc' in publications use:
##
## Thomas D. Fletcher (2012). QuantPsyc: Quantitative Psychology Tools.
## R package version 1.5. https://CRAN.R-project.org/package=QuantPsyc
##
## A BibTeX entry for LaTeX users is
##
## @Manual{,
## title = {QuantPsyc: Quantitative Psychology Tools},
## author = {Thomas D. Fletcher},
## year = {2012},
## note = {R package version 1.5},
## url = {https://CRAN.R-project.org/package=QuantPsyc},
## }
##
## ATTENTION: This citation information has been auto-generated from the
## package DESCRIPTION file and may need manual editing, see
## 'help("citation")'.raster Package
##
## To cite package 'raster' in publications use:
##
## Robert J. Hijmans (2020). raster: Geographic Data Analysis and
## Modeling. R package version 3.3-13.
## https://CRAN.R-project.org/package=raster
##
## A BibTeX entry for LaTeX users is
##
## @Manual{,
## title = {raster: Geographic Data Analysis and Modeling},
## author = {Robert J. Hijmans},
## year = {2020},
## note = {R package version 3.3-13},
## url = {https://CRAN.R-project.org/package=raster},
## }sf Package
##
## To cite package sf in publications, please use:
##
## Pebesma, E., 2018. Simple Features for R: Standardized Support for
## Spatial Vector Data. The R Journal 10 (1), 439-446,
## https://doi.org/10.32614/RJ-2018-009
##
## A BibTeX entry for LaTeX users is
##
## @Article{,
## author = {Edzer Pebesma},
## title = {{Simple Features for R: Standardized Support for Spatial Vector Data}},
## year = {2018},
## journal = {{The R Journal}},
## doi = {10.32614/RJ-2018-009},
## url = {https://doi.org/10.32614/RJ-2018-009},
## pages = {439--446},
## volume = {10},
## number = {1},
## }shiny Package
##
## To cite package 'shiny' in publications use:
##
## Winston Chang, Joe Cheng, JJ Allaire, Yihui Xie and Jonathan
## McPherson (2020). shiny: Web Application Framework for R. R package
## version 1.5.0. https://CRAN.R-project.org/package=shiny
##
## A BibTeX entry for LaTeX users is
##
## @Manual{,
## title = {shiny: Web Application Framework for R},
## author = {Winston Chang and Joe Cheng and JJ Allaire and Yihui Xie and Jonathan McPherson},
## year = {2020},
## note = {R package version 1.5.0},
## url = {https://CRAN.R-project.org/package=shiny},
## }sp Package
##
## To cite package sp in publications use:
##
## Pebesma, E.J., R.S. Bivand, 2005. Classes and methods for spatial
## data in R. R News 5 (2), https://cran.r-project.org/doc/Rnews/.
##
## Roger S. Bivand, Edzer Pebesma, Virgilio Gomez-Rubio, 2013. Applied
## spatial data analysis with R, Second edition. Springer, NY.
## https://asdar-book.org/
##
## To see these entries in BibTeX format, use 'print(<citation>,
## bibtex=TRUE)', 'toBibtex(.)', or set
## 'options(citation.bibtex.max=999)'.spatialEco and spatialreg Packages
##
## To cite spatialEco in publications use:
##
## Evans JS (2020). _spatialEco_. R package version 1.3-1, <URL:
## https://github.com/jeffreyevans/spatialEco>.
##
## A BibTeX entry for LaTeX users is
##
## @Manual{spatialEco-package,
## title = {spatialEco},
## author = {Jeffrey S. Evans},
## year = {2020},
## note = {R package version 1.3-1},
## url = {https://github.com/jeffreyevans/spatialEco},
## }##
## To cite spatialreg in publications use one or more of the following as
## appropriate:
##
## Roger Bivand, Gianfranco Piras (2015). Comparing Implementations of
## Estimation Methods for Spatial Econometrics. Journal of Statistical
## Software, 63(18), 1-36. URL http://www.jstatsoft.org/v63/i18/.
##
## Bivand, R. S., Hauke, J., and Kossowski, T. (2013). Computing the
## Jacobian in Gaussian spatial autoregressive models: An illustrated
## comparison of available methods. Geographical Analysis, 45(2),
## 150-179. URL https://doi.org/10.1111/gean.12008
##
## Roger S. Bivand, Edzer Pebesma, Virgilio Gomez-Rubio, 2013. Applied
## spatial data analysis with R, Second edition. Springer, NY.
## http://www.asdar-book.org/
##
## To see these entries in BibTeX format, use 'print(<citation>,
## bibtex=TRUE)', 'toBibtex(.)', or set
## 'options(citation.bibtex.max=999)'.spData and spdep Packages
##
## To cite package 'spData' in publications use:
##
## Roger Bivand, Jakub Nowosad and Robin Lovelace (2020). spData:
## Datasets for Spatial Analysis. R package version 0.3.8.
## https://CRAN.R-project.org/package=spData
##
## A BibTeX entry for LaTeX users is
##
## @Manual{,
## title = {spData: Datasets for Spatial Analysis},
## author = {Roger Bivand and Jakub Nowosad and Robin Lovelace},
## year = {2020},
## note = {R package version 0.3.8},
## url = {https://CRAN.R-project.org/package=spData},
## }##
## To cite spdep in publications use one or more of the following as
## appropriate:
##
## Bivand, Roger S. and Wong, David W. S. (2018) Comparing
## implementations of global and local indicators of spatial association
## TEST, 27(3), 716-748. URL https://doi.org/10.1007/s11749-018-0599-x
##
## Roger S. Bivand, Edzer Pebesma, Virgilio Gomez-Rubio, 2013. Applied
## spatial data analysis with R, Second edition. Springer, NY.
## http://www.asdar-book.org/
##
## To see these entries in BibTeX format, use 'print(<citation>,
## bibtex=TRUE)', 'toBibtex(.)', or set
## 'options(citation.bibtex.max=999)'.tmap, tmaptools, and rmapshaper Packages
##
## To cite tmap/tmaptools in publications use:
##
## Tennekes M (2018). "tmap: Thematic Maps in R." _Journal of Statistical
## Software_, *84*(6), 1-39. doi: 10.18637/jss.v084.i06 (URL:
## https://doi.org/10.18637/jss.v084.i06).
##
## A BibTeX entry for LaTeX users is
##
## @Article{,
## title = {{tmap}: Thematic Maps in {R}},
## author = {Martijn Tennekes},
## journal = {Journal of Statistical Software},
## year = {2018},
## volume = {84},
## number = {6},
## pages = {1--39},
## doi = {10.18637/jss.v084.i06},
## }##
## To cite package 'tmaptools' in publications use:
##
## Martijn Tennekes (2020). tmaptools: Thematic Map Tools. R package
## version 3.1. https://CRAN.R-project.org/package=tmaptools
##
## A BibTeX entry for LaTeX users is
##
## @Manual{,
## title = {tmaptools: Thematic Map Tools},
## author = {Martijn Tennekes},
## year = {2020},
## note = {R package version 3.1},
## url = {https://CRAN.R-project.org/package=tmaptools},
## }##
## To cite package 'rmapshaper' in publications use:
##
## Andy Teucher and Kenton Russell (2020). rmapshaper: Client for
## 'mapshaper' for 'Geospatial' Operations. R package version 0.4.4.
## https://CRAN.R-project.org/package=rmapshaper
##
## A BibTeX entry for LaTeX users is
##
## @Manual{,
## title = {rmapshaper: Client for 'mapshaper' for 'Geospatial' Operations},
## author = {Andy Teucher and Kenton Russell},
## year = {2020},
## note = {R package version 0.4.4},
## url = {https://CRAN.R-project.org/package=rmapshaper},
## }