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openair (version 1.5)

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

1.5

License

GPL (>= 2)

Issues

Pull Requests

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Repository

http://github.com/davidcarslaw/openair

Homepage

http://www.openair-project.org/

Maintainer

David Carslaw

Last Published

April 14th, 2015

Functions in openair (1.5)

Calculate summary statistics for air pollution data by year

conditionalQuantile

Conditional quantile estimates for model evaluation

Example data for openair

Trajectory level plots with conditioning

Calculate percentile values from a time series

Import pre-calculated HYSPLIT 96-hour back trajectories

K-means clustering of bivariate polar plots

Import data from the UK Automatic Urban and Rural Network (AURN)

Function to split data in different ways for conditioning

airbaseFindCode

Helper function to find EEA airbase site codes

Generic data import for openair

Calculate clusters for back tracectories

Import monitoring site meta data for the AURN, KCL and SAQN networks

Calculate rollingMean values

Subset a data frame based on date

conditionalEval

Conditional quantile estimates with additional variables for model evaluation

Bivariate polar plot with smoothing

Divide up a data frame by time

Scottish Air Quality Network data import for openair

Tests for trends using Theil-Sen estimates

Calculate nonparametric smooth trends

Diurnal, day of the week and monthly variation

Traditional wind rose plot and pollution rose variation

Tools for the analysis of air pollution data

corrgram plot with conditioning

Function to plot percentiles by wind direction

Taylor Diagram for model evaluation with conditioning

Estimate NO2/NOX emission ratios from monitoring data

Kernel density plot for daily mean exceedance statistics

Plot time series values in convential calendar format

Linear relations between pollutants

Calculate common model evaluation statistics

AURN csv file data import for openair

Import data from King's College London networks

Import pre-calculated airbase statistics

Import hourly data from the European Environment Agency airbase database

Scale key handling for openair

CERC Atmospheric Dispersion Modelling System (ADMS) data import function(s) for openair

openair colours

Automatic text formatting for openair

Get information about airbase sites and instruments

Function to extract run lengths greater than a threshold

Trajectory line plots with conditioning

Function to plot wind speed/direction frequencies and other statistics

Function to calculate time averages for data frames

Bivariate polarAnnulus plot

Time series plot with categories shown as a stacked bar chart

Function to rapidly provide an overview of air quality data

Function to simplify and combine airbase data imports

Flexible scatter plots

Plot time series