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openair (version 1.1-5)

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

4,956

Version

1.1-5

License

GPL (>= 2)

Maintainer

David Carslaw

Last Published

February 9th, 2015

Functions in openair (1.1-5)

Function to split data in different ways for conditioning

Scottish Air Quality Network data import for openair

Calculate summary statistics for air pollution data by year

Trajectory line plots with conditioning

Plot time series

Time series plot with categories shown as a stacked bar chart

Tests for trends using Theil-Sen estimates

Tools for the analysis of air pollution data

K-means clustering of bivariate polar plots

Calculate common model evaluation statistics

Linear relations between pollutants

Subset a data frame based on date

Function to plot wind speed/direction frequencies and other statistics

Calculate rollingMean values

Calculate nonparametric smooth trends

Divide up a data frame by time

Plot time series values in convential calendar format

Taylor Diagram for model evaluation with conditioning

Bivariate polarAnnulus plot

Calculate clusters for back tracectories

Bivariate polar plot with smoothing

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

AURN csv file data import for openair

Import pre-calculated airbase statistics

Automatic text formatting for openair

Diurnal, day of the week and monthly variation

Import hourly data from the European Environment Agency airbase database

Kernel density plot for daily mean exceedance statistics

Function to extract run lengths greater than a threshold

Get information about airbase sites and instruments

Scale key handling for openair

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

Import data from King's College London networks

openair colours

conditionalQuantile

Conditional quantile estimates for model evaluation

Function to rapidly provide an overview of air quality data

Calculate percentile values from a time series

conditionalEval

Conditional quantile estimates with additional variables for model evaluation

corrgram plot with conditioning

airbaseFindCode

Helper function to find EEA airbase site codes

Example data for openair

Function to calculate time averages for data frames

Traditional wind rose plot and pollution rose variation

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

Generic data import for openair

Trajectory level plots with conditioning

Estimate NO2/NOX emission ratios from monitoring data

Function to simplify and combine airbase data imports

Flexible scatter plots

Import pre-calculated HYSPLIT 96-hour back trajectories

Function to plot percentiles by wind direction