madrid.air.parse: Air quality data parser.

In nramon/madrid.air: Madrid Air Quality Data Parser

Description

Parses raw air quality data published by http://datos.madrid.es/ and returns a clean data frame.

Usage

madrid.air.parse(input, output = NA, station = NA, magnitude = NA)

Arguments

input	Input file containing the raw air quality data.
output	Optional CSV file where the air quality data data frame will be saved.
station	Filter data by station code (see madrid.air.stations).
magnitude	Filter data by magnitude name (see madrid.air.magnitudes).

Value

A data frame containing air quality data.

Examples

# Download and parse daily data.
download.file('http://datos.madrid.es/egob/catalogo/201410-14-calidad-aire-diario.txt',
              '201410-14-calidad-aire-diario.txt')
madrid.air.parse('201410-14-calidad-aire-diario.txt')

# Save air quality data to disk.
madrid.air.parse('201410-14-calidad-aire-diario.txt',
                 output='201410-14-calidad-aire-diario.csv')

# Download and parse hourly data.
download.file('http://datos.madrid.es/egob/catalogo/201200-29-calidad-aire-horario.zip',
              '201200-29-calidad-aire-horario.zip')
unzip('201200-29-calidad-aire-horario.zip')
madrid.air.parse('Ene_mo01.txt')

# Check station information.
data(madrid.air.stations)
madrid.air.stations

# Filter by station.
madrid.air.parse('Ene_mo01.txt', station=28079001)

# Check magnitude information.
data(madrid.air.magnitudes)
madrid.air.magnitudes

# Filter by magnitude.
madrid.air.parse('Ene_mo01.txt', magnitude='CO')

nramon/madrid.air documentation built on May 23, 2019, 9:34 p.m.