addMazamaMetadata: Add State, Country and Timezone to a Dataframe

In PWFSLSmoke: Utilities for Working with Air Quality Monitoring Data

Description

The MazamaSpatialUtils package used to determine the ISO state and country code, and the Olson timezone associated with the locations specified by the longitude and latitude columns of the incoming dataframe.

This function requires previous setup of the MazamaSpatialUtils package with initializeMazamaSpatialUtils().

Usage

addMazamaMetadata(
  df,
  lonVar = "longitude",
  latVar = "latitude",
  existingMeta = NULL,
  countryCodes = c("CA", "US", "MX")
)

Arguments

df	dataframe or tibble with geolocation information (e.g. created by wrcc_qualityControl() or airsis_qualityControl)
lonVar	name of longitude variable in the incoming dataframe
latVar	name of the latitude variable in the incoming dataframe
existingMeta	existing 'meta' dataframe from which to obtain metadata for known monitor deployments
countryCodes	vector of countryCodes (use NULL for global searches)

Value

Input dataframe with additional columns: timezone, countryCode, stateCode.

References

https://github.com/MazamaScience/MazamaSpatialUtils

See Also

initializeMazamaSpatialUtils

PWFSLSmoke documentation built on Nov. 23, 2021, 5:06 p.m.