# Retrieving and Analyzing Air Quality and Weather Data from ARPA Lombardia

## Documentation for package ‘ARPALData’ version 2.0.1

- DESCRIPTION file.
- User guides, package vignettes and other documentation.

## Help Pages

ARPALData-package | ARPALData Package
ARPALData | ARPALData Package
ARPALdf_Summary | Summary statistics for a data frame of class 'ARPALdf'
ARPALdf_Summary_map | Generate a map of summary statistics for a given ARPALdf data.frame
get_ARPA_Lombardia_AQ_data | Download air quality data from ARPA Lombardia website
get_ARPA_Lombardia_AQ_municipal_data | Download air quality data at manucipal from ARPA Lombardia website
get_ARPA_Lombardia_AQ_municipal_registry | Download metadata (registry) on air quality monitoring stations at municipal level from ARPA Lombardia website
get_ARPA_Lombardia_AQ_registry | Download metadata (registry) on air quality monitoring stations from ARPA Lombardia website
get_ARPA_Lombardia_W_data | Download weather/meteorological data from ARPA Lombardia website
get_ARPA_Lombardia_W_registry | Download metadata (registry) on weather monitoring stations from ARPA Lombardia website
get_ARPA_Lombardia_zoning | Download ARPA Lombardia zoning geometries
get_Lombardia_geospatial | Download geospatial data of Lombardy from Eurostat
is_ARPALdf | Check if a given object belongs to class 'ARPALdf'
is_ARPALdf_AQ | Check if a given object belongs to class 'ARPALdf_AQ'
is_ARPALdf_AQ_mun | Check if a given object belongs to class 'ARPALdf_AQ_mun'
is_ARPALdf_W | Check if a given object belongs to class 'ARPALdf_W'
map_Lombardia_stations | Generate a map of the selected stations
registry_KNN_dist | Identifies the K-nearest neighbors (stations) to all the monitoring sites included in a given ARPALdf registry data.frame. The neighbors are identified computing the Euclidean distance among the sites' coordinates.
Time_aggregate | Aggregate any ARPALdf object (with higher temporal frequency) to hourly, daily, weekly, monthly and yearly temporal frequencies.