`R/zip_helper_functions.R`

`zip_distance.Rd`

Calculate the distance between two ZIP codes in miles

zip_distance(zipcode_a, zipcode_b, lonlat = TRUE, units = "miles")

zipcode_a | First vector of ZIP codes |
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zipcode_b | Second vector of ZIP codes |

lonlat | lonlat argument to pass to raster::pointDistance() to select method of distance calculation. Default is TRUE to calculate distance over a spherical projection. FALSE will calculate the distance in Euclidean (planar) space. |

units | Specify which units to return distance calculations in. Choices include meters or miles. |

a data.frame containing a column for each ZIP code and a new column containing the distance between the two columns of ZIP code

zip_distance("08731", "08901")#> zipcode_a zipcode_b distance #> 1 08731 08901 40.7