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summary(cars)
## speed dist
## Min. : 4.0 Min. : 2.00
## 1st Qu.:12.0 1st Qu.: 26.00
## Median :15.0 Median : 36.00
## Mean :15.4 Mean : 42.98
## 3rd Qu.:19.0 3rd Qu.: 56.00
## Max. :25.0 Max. :120.00
library(leaflet) city <- c(“Berlin”, “Amsterdom”, “Bruxelles”,“Paris”,“Zürich”) lat <- c(52.5197,52.3571, 50.8759,48.867,47.3828) lon <- c(13.4177,4.9002,4.3448,2.3820,8.5556) days <- c(1,3,2,15,10)
####나의 여행여정입니다 ,