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openair (version 0.4-23)

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

5,974

Version

0.4-23

License

GPL (>= 2)

Maintainer

David Carslaw

Last Published

July 26th, 2011

Functions in openair (0.4-23)

selectByDate

Subset a data frame based on date
smoothTrend

Calculate smoothTrends
selectRunning

Function to extract run lengths greater than a threshold
openColours

openair colours
aqStats

Calculate summary statistics for air pollution data by year
TaylorDiagram

Taylor Diagram for model evaluation with conditioning
importSAQN

SAQN data import for openair
drawOpenKey

Scale key handling for openair
summaryPlot

Function to rapidly provide an overview of air quality data
rollingMean

Calculate rollingMean values
polarFreq

Function to plot wind speed/direction frequencies and other statistics
importAURNCsv

AURN csv file data import for openair
windRose

Traditional wind rose plot and pollution rose variation
timeAverage

Function to calculate timeAverages for data frames
timeVariation

Diurnal, day of the week and monthly variation
calcPercentile

Calculate percentile values from a time series
import

Generic data import for openair
modStats

Calculate common model evaluation statistics
polarPlot

Bivariate polar plot with smoothing
splitByDate

Divide up a data frame by time
openair.class

Generic functions for handling openair outputs
scatterPlot

Flexible scatterPlots
trendLevel

trendLevel
MannKendall

Mann-Kendall trend tests
conditionalQuantile

Conditional quantile estimates for model evaluation
calendarPlot

Plot time series values in convential calendar format
importADMS

ADMS data import function(s) for openair
mydata

Example data for openair
importAURN

AURN data import for openair
linearRelation

Linear relations between pollutants
timePlot

Plot time series
kernelExceed

Kernel density plot for daily mean exceedance statistics
quickText

Automatic text formatting for openair
GoogleMapsPlot

GoogleMapsPlot
calcFno2

Estimate NO2/NOX emission ratios from monitoring data
cutData

Function to split data in different ways for conditioning
polarAnnulus

Bivariate polarAnnulus plot
openair-package

Tools for the analysis of air pollution data
importKCL

Import data from King's College London networks
percentileRose

Function to plot percentiles by wind direction