install.packages("leaflet")
library(leaflet)
leaflet() %>%
addTiles()
leaflet() %>%
addTiles() %>%
setView(lng=135,lat=35,zoom=7)
以下の様な構造
%>%
)を使わなくても可能プロット用データを準備
df <- data.frame(
id = 1:5,
lng = rnorm(5,mean=135,sd=0.5),
lat = rnorm(5,mean=35,sd=0.5),
pop = c("kosaki","chitoge","tsugumi","marika","yui")
)
knitr::kable(df)
id | lng | lat | pop |
---|---|---|---|
1 | 134.5117 | 35.08045 | kosaki |
2 | 134.8459 | 34.38709 | chitoge |
3 | 134.9825 | 35.63328 | tsugumi |
4 | 134.6685 | 34.42948 | marika |
5 | 134.9346 | 35.35376 | yui |
m <- leaflet(df) %>% addTiles()
m
m %>%
addMarkers(lng=~lng,lat=~lat)
m %>%
addCircles(lng=~lng,lat=~lat,
radius=5,color="#09f",weight=20)
m %>%
addPopups(lng=~lng,lat=~lat,
popup=~pop)
色々組み合わせていくと、こんなこともできます
## Session info --------------------------------------------------------------
## setting value
## version R version 3.2.0 (2015-04-16)
## system x86_64, darwin13.4.0
## ui RStudio (0.99.764)
## language (EN)
## collate ja_JP.UTF-8
## tz Asia/Tokyo
## date 2015-11-28
## Packages ------------------------------------------------------------------
## package * version date source
## devtools * 1.9.1 2015-09-11 CRAN (R 3.2.0)
## digest 0.6.8 2014-12-31 CRAN (R 3.2.0)
## DT * 0.1 2015-06-09 CRAN (R 3.2.0)
## evaluate 0.8 2015-09-18 CRAN (R 3.2.0)
## formatR 1.2.1 2015-09-18 CRAN (R 3.2.0)
## highr 0.5.1 2015-09-18 CRAN (R 3.2.0)
## htmltools 0.2.6 2014-09-08 CRAN (R 3.2.0)
## htmlwidgets 0.5 2015-06-21 CRAN (R 3.2.0)
## jsonlite 0.9.17 2015-09-06 CRAN (R 3.2.0)
## knitr 1.11 2015-08-14 CRAN (R 3.2.0)
## leaflet * 1.0.1.9002 2015-11-24 Github (rstudio/leaflet@f89f66d)
## magrittr 1.5 2014-11-22 CRAN (R 3.2.0)
## memoise 0.2.1 2014-04-22 CRAN (R 3.2.0)
## revealjs * 0.5 2015-11-27 Github (jjallaire/revealjs@86756f1)
## rmarkdown * 0.8.1 2015-10-10 CRAN (R 3.2.0)
## rsconnect 0.4.1.9 2015-11-24 Github (rstudio/rsconnect@6c0621d)
## rstudioapi 0.3.1 2015-04-07 CRAN (R 3.2.0)
## stringi 1.0-1 2015-10-22 CRAN (R 3.2.0)
## stringr 1.0.0 2015-04-30 CRAN (R 3.2.0)
## yaml 2.1.13 2014-06-12 CRAN (R 3.2.0)