road_data: Example data for deweather

In davidcarslaw/deweather: Remove the influence of weather on air quality data

Example data for deweather

Description

The road_data dataset is provided as an example dataset as part of the deweather package. The dataset contains hourly measurements of air pollutant concentrations, wind speed and wind direction collected at the Marylebone (London) air quality monitoring supersite between 1st January 1998 and 23rd June 2005.

Usage

road_data

Format

Data frame with 65533 observations (rows) and the following 10 variables:

date

Observation date/time stamp in year-month-day hour:minute:second format (POSIXct).

ws

Wind speed, in m/s, as numeric vector.

wd

Wind direction, in degrees from North, as a numeric vector.

nox

Oxides of nitrogen concentration, in ppb, as a numeric vector.

no2

Nitrogen dioxide concentration, in ppb, as a numeric vector.

o3

Ozone concentration, in ppb, as a numeric vector.

pm10

Particulate PM10 fraction measurement, in ug/m3 (raw TEOM), as a numeric vector.

so2

Sulfur dioxide concentration, in ppb, as a numeric vector.

co

Carbon monoxide concentration, in ppm, as a numeric vector.

pm25

Particulate PM2.5 fraction measurement, in ug/m3, as a numeric vector.

Examples

# basic structure
head(road_data)

davidcarslaw/deweather documentation built on March 27, 2024, 8:18 a.m.