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openair (version 0.5-11)

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

0.5-11

License

GPL (>= 2)

Maintainer

David Carslaw

Last Published

October 5th, 2011

Functions in openair (0.5-11)

Subset a data frame based on date

Function to extract run lengths greater than a threshold

Linear relations between pollutants

openair colours

Calculate percentile values from a time series

Calculate summary statistics for air pollution data by year

Generic data import for openair

Diurnal, day of the week and monthly variation

Kernel density plot for daily mean exceedance statistics

Plot time series values in convential calendar format

Function to plot wind speed/direction frequencies and other statistics

Calculate common model evaluation statistics

corrgram plot with conditioning

AURN data import for openair

ADMS data import function(s) for openair

Import pre-calculated HYSPLIT 96-hour back trajectories

Scale key handling for openair

conditionalQuantile

Conditional quantile estimates for model evaluation

openair-package

Tools for the analysis of air pollution data

Flexible scatter plots

Import monitoring site meta data

Function to plot percentiles by wind direction

Taylor Diagram for model evaluation with conditioning

Estimate NO2/NOX emission ratios from monitoring data

Generic functions for handling openair outputs

Function to split data in different ways for conditioning

Calculate rollingMean values

Plot time series

Divide up a data frame by time

Import data from King's College London networks

AURN csv file data import for openair

Bivariate polarAnnulus plot

Trajectory plots with conditioning

Bivariate polar plot with smoothing

Traditional wind rose plot and pollution rose variation

Function to calculate timeAverages for data frames

Function to rapidly provide an overview of air quality data

Example data for openair

Automatic text formatting for openair

Tests for trends using Theil-Sen estimates

SAQN data import for openair

Calculate smoothTrends