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openair (version 0.8-5)

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

6,172

Version

0.8-5

License

GPL (>= 2)

Maintainer

David Carslaw

Last Published

April 14th, 2013

Functions in openair (0.8-5)

Import pre-calculated HYSPLIT 96-hour back trajectories

Calculate common model evaluation statistics

openair-package

Tools for the analysis of air pollution data

Calculate clusters for back tracectories

Function to rapidly provide an overview of air quality data

Automatic text formatting for openair

Bivariate polarAnnulus plot

Import data from King's College London networks

Traditional wind rose plot and pollution rose variation

Calculate summary statistics for air pollution data by year

Import monitoring site meta data

Linear relations between pollutants

ADMS data import function(s) for openair

K-means clustering of bivariate polar plots

Kernel density plot for daily mean exceedance statistics

Tests for trends using Theil-Sen estimates

Example data for openair

Function to extract run lengths greater than a threshold

Calculate smoothTrends

corrgram plot with conditioning

Time series plot with categories shown as a stacked bar chart

Scale key handling for openair

Function to split data in different ways for conditioning

AURN csv file data import for openair

Subset a data frame based on date

conditionalEval

Conditional quantile estimates with additional variables for model evaluation

Generic data import for openair

Flexible scatter plots

Calculate percentile values from a time series

Diurnal, day of the week and monthly variation

Trajectory plots with conditioning

Function to plot wind speed/direction frequencies and other statistics

Divide up a data frame by time

openair colours

Generic functions for handling openair outputs

AURN data import for openair

Taylor Diagram for model evaluation with conditioning

Plot time series values in convential calendar format

SAQN data import for openair

Function to calculate timeAverages for data frames

conditionalQuantile

Conditional quantile estimates for model evaluation

Estimate NO2/NOX emission ratios from monitoring data

Function to plot percentiles by wind direction

Plot time series

Bivariate polar plot with smoothing

Calculate rollingMean values