library(choroplethr)
## Warning: replacing previous import by 'ggplot2::unit' when loading 'Hmisc'
## Warning: replacing previous import by 'ggplot2::arrow' when loading 'Hmisc'
## Warning: replacing previous import by 'scales::alpha' when loading 'Hmisc'
## Warning: replacing previous import by 'grid::arrow' when loading 'ggmap'
## Warning: replacing previous import by 'grid::unit' when loading 'ggmap'
## Warning: replacing previous import by 'scales::alpha' when loading 'ggmap'
library(choroplethrAdmin1)
data(df_japan_census)
head(df_japan_census)
##    region pop_2010 percent_pop_change_2005_2010 pop_density_km2_2010
## 23  aichi  7411000                          2.2               1434.8
## 5   akita  1086000                         -5.2                 93.3
## 2  aomori  1373000                         -4.4                142.4
## 12  chiba  6216000                          2.6               1205.5
## 38  ehime  1431000                         -2.5                252.1
## 18  fukui   806000                         -1.9                192.4
# set the value we want to map to be the 2010 population estimates
df_japan_census$value=df_japan_census$pop_2010

# default map of all of japan
admin1_choropleth("japan",
                  df_japan_census,
                  "2010 Japan Population Estimates",
                  "Population")
## Warning in self$bind(): The following regions were missing and are being
## set to NA: NA
## Error: Don't know how to add self$ggplot_polygon to a plot
devtools::session_info()
## Session info --------------------------------------------------------------
##  setting  value                       
##  version  R version 3.2.2 (2015-08-14)
##  system   x86_64, mingw32             
##  ui       RTerm                       
##  language en                          
##  collate  Japanese_Japan.932          
##  tz       Asia/Tokyo                  
##  date     2015-10-31
## Packages ------------------------------------------------------------------
##  package           * version    date       source                         
##  acepack             1.3-3.3    2013-05-03 CRAN (R 3.2.0)                 
##  acs                 1.2        2014-01-22 CRAN (R 3.2.0)                 
##  assertthat          0.1        2013-12-06 CRAN (R 3.2.0)                 
##  choroplethr       * 3.3.0      2015-09-29 CRAN (R 3.2.2)                 
##  choroplethrAdmin1 * 1.0.0      2014-12-02 CRAN (R 3.2.2)                 
##  cluster             2.0.3      2015-07-21 CRAN (R 3.2.2)                 
##  colorspace          1.2-6      2015-03-11 CRAN (R 3.2.0)                 
##  DBI                 0.3.1      2014-09-24 CRAN (R 3.2.0)                 
##  devtools            1.9.1      2015-09-11 CRAN (R 3.2.2)                 
##  digest              0.6.8      2014-12-31 CRAN (R 3.2.0)                 
##  dplyr               0.4.3.9000 2015-10-18 Github (hadley/dplyr@0649503)  
##  evaluate            0.8        2015-09-18 CRAN (R 3.2.2)                 
##  foreign             0.8-65     2015-07-02 CRAN (R 3.2.2)                 
##  formatR             1.2.1      2015-09-18 CRAN (R 3.2.2)                 
##  Formula             1.2-1      2015-04-07 CRAN (R 3.2.0)                 
##  geosphere           1.4-3      2015-07-02 CRAN (R 3.2.1)                 
##  ggmap               2.5.2      2015-08-21 CRAN (R 3.2.2)                 
##  ggplot2             1.0.1.9003 2015-10-28 Github (hadley/ggplot2@ef33dc7)
##  gridExtra           2.0.0      2015-07-14 CRAN (R 3.2.1)                 
##  gtable              0.1.2      2012-12-05 CRAN (R 3.2.0)                 
##  Hmisc               3.17-0     2015-09-21 CRAN (R 3.2.2)                 
##  htmltools           0.2.6      2014-09-08 CRAN (R 3.2.0)                 
##  jpeg                0.1-8      2014-01-23 CRAN (R 3.2.0)                 
##  knitr               1.11       2015-08-14 CRAN (R 3.2.2)                 
##  lattice             0.20-33    2015-07-14 CRAN (R 3.2.2)                 
##  latticeExtra        0.6-26     2013-08-15 CRAN (R 3.2.0)                 
##  magrittr            1.5        2014-11-22 CRAN (R 3.2.0)                 
##  mapproj             1.2-4      2015-08-03 CRAN (R 3.2.1)                 
##  maps                3.0.0-2    2015-10-02 CRAN (R 3.2.2)                 
##  memoise             0.2.1      2014-04-22 CRAN (R 3.2.0)                 
##  munsell             0.4.2      2013-07-11 CRAN (R 3.2.0)                 
##  nnet                7.3-10     2015-06-29 CRAN (R 3.2.2)                 
##  plyr                1.8.3      2015-06-12 CRAN (R 3.2.1)                 
##  png                 0.1-7      2013-12-03 CRAN (R 3.2.0)                 
##  proto               1.0.0      2015-08-08 Github (hadley/proto@0d74053)  
##  R6                  2.1.1      2015-08-19 CRAN (R 3.2.2)                 
##  RColorBrewer        1.1-2      2014-12-07 CRAN (R 3.2.0)                 
##  Rcpp                0.12.1     2015-09-10 CRAN (R 3.2.2)                 
##  reshape2            1.4.1      2014-12-06 CRAN (R 3.2.0)                 
##  RgoogleMaps         1.2.0.7    2015-01-21 CRAN (R 3.2.1)                 
##  rjson               0.2.15     2014-11-03 CRAN (R 3.2.0)                 
##  RJSONIO             1.3-0      2014-07-28 CRAN (R 3.2.0)                 
##  rmarkdown           0.8.1      2015-10-10 CRAN (R 3.2.2)                 
##  rpart               4.1-10     2015-06-29 CRAN (R 3.2.2)                 
##  scales              0.3.0      2015-08-25 CRAN (R 3.2.2)                 
##  sp                  1.2-1      2015-10-18 CRAN (R 3.2.2)                 
##  stringi             1.0-1      2015-10-22 CRAN (R 3.2.2)                 
##  stringr             1.0.0      2015-04-30 CRAN (R 3.2.0)                 
##  survival            2.38-3     2015-07-02 CRAN (R 3.2.2)                 
##  WDI                 2.4        2013-08-20 CRAN (R 3.2.0)                 
##  XML                 3.98-1.3   2015-06-30 CRAN (R 3.2.1)                 
##  yaml                2.1.13     2014-06-12 CRAN (R 3.2.0)