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openair (version 0.4-0)

Tools for the analysis of air pollution data

Description

Tools to analyse, interpret and understand air pollution data. Data are typically hourly time series and both monitoring data and dispersion model output can be analysed. Many functions can also be applied to other data, including meteorological and traffic data.

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Version

Install

install.packages('openair')

Monthly Downloads

6,880

Version

0.4-0

License

GPL (>= 2)

Maintainer

David Carslaw

Last Published

January 21st, 2011

Functions in openair (0.4-0)

Plot time series values in convential calendar format

Function to split data in different ways for conditioning

Estimate NO2/NOX emission ratios from monitoring data

Example data for openair

Mann-Kendall trend tests

Linear relations between pollutants

Scale key handling for openair

Bivariate polarAnnulus plot

ADMS data import function(s) for openair

Diurnal, day of the week and monthly variation

Flexible scatterPlots

Pre-process a data frame containing dispersion model-measurement data

AURN csv file data import for openair

Function to calculate timeAverages for data frames

Calculate percentile values from a time series

Traditional wind rose plot and pollution rose variation

Import data from King's College London networks

Subset a data frame based on date

Automatic text formatting for openair

Function to rapidly provide an overview of air quality data

Generic functions for handling openair outputs

Generic data import for openair

Divide up a data frame by time

Calculate smoothTrends

openair-package

Tools for the analysis of air pollution data

Calculate rollingMean values

AURN data import for openair

openair colours

Kernel density plot for daily mean exceedance statistics

Bivariate polar plot with smoothing

Function to plot wind speed/direction frequencies and other statistics

Plot time series