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openair (version 1.8-0)

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

4,751

Version

1.8-0

License

GPL (>= 2)

Issues

Pull Requests

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Repository

https://github.com/davidcarslaw/openair

Homepage

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

Maintainer

David Carslaw

Last Published

March 24th, 2016

Functions in openair (1.8-0)

Divide up a data frame by time

Linear relations between pollutants

K-means clustering of bivariate polar plots

Kernel density plot for daily mean exceedance statistics

Generic data import for openair

Flexible scatter plots

Calculate rollingMean values

Calculate percentile values from a time series

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

Calculate clusters for back tracectories

Function to plot percentiles by wind direction

Trajectory line plots with conditioning

Example data for openair

Bivariate polar plot with smoothing

Function to plot wind speed/direction frequencies and other statistics

Time series plot with categories shown as a stacked bar chart

Taylor Diagram for model evaluation with conditioning

Calculate summary statistics for air pollution data by year

Plot time series values in convential calendar format

Plot time series

airbaseFindCode

Helper function to find EEA airbase site codes

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

Calculate nonparametric smooth trends

Subset a data frame based on date

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

Function to split data in different ways for conditioning

Get information about airbase sites and instruments

conditionalQuantile

Conditional quantile estimates for model evaluation

Trajectory level plots with conditioning

Import pre-calculated HYSPLIT 96-hour back trajectories

Scottish Air Quality Network data import for openair

Bivariate polarAnnulus plot

Calculate common model evaluation statistics

Tools for the analysis of air pollution data

Tests for trends using Theil-Sen estimates

Automatic text formatting for openair

Function to calculate time averages for data frames

Import data from King's College London networks

Scale key handling for openair

corrgram plot with conditioning

openair colours

Function to simplify and combine airbase data imports

Import hourly data from the European Environment Agency airbase database

Function to rapidly provide an overview of air quality data

Traditional wind rose plot and pollution rose variation

conditionalEval

Conditional quantile estimates with additional variables for model evaluation

Estimate NO2/NOX emission ratios from monitoring data

Import pre-calculated airbase statistics

AURN csv file data import for openair

Diurnal, day of the week and monthly variation

Function to extract run lengths greater than a threshold