11.4 Random useful functions

11.4.1 Formatting for display

Code

str_to_title('hello there')

[1] "Hello There"

11.4.2 Identifying GEOIDs

Often we are interested in identify which census tract a location is in. Given lat/lon coordinates for a location, and shape files for census tracts, we can determine which census tract the location is in using point.in.polygon.

11.4.3 Distance from point to line

https://www.rdocumentation.org/packages/geosphere/versions/1.5-18/topics/dist2Line

11.4.4 Holidays

Use timeDate::holiday to get the date of a holiday in a year.

Code

library(timeDate)
holiday(year = 2023, Holiday = "USThanksgivingDay") %>%
  as.Date()

[1] "2023-11-23"