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openair (version 0.8-0)

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

0.8-0

License

GPL (>= 2)

Maintainer

David Carslaw

Last Published

February 13th, 2013

Functions in openair (0.8-0)

Calculate smoothTrends

AURN csv file data import for openair

Generic functions for handling openair outputs

Linear relations between pollutants

openair-package

Tools for the analysis of air pollution data

Import data from King's College London networks

Example data for openair

Traditional wind rose plot and pollution rose variation

Flexible scatter plots

conditionalEval

Conditional quantile estimates with additional variables for model evaluation

Import pre-calculated HYSPLIT 96-hour back trajectories

ADMS data import function(s) for openair

Kernel density plot for daily mean exceedance statistics

Calculate common model evaluation statistics

Divide up a data frame by time

Automatic text formatting for openair

Plot time series values in convential calendar format

Bivariate polar plot with smoothing

Scale key handling for openair

Generic data import for openair

Calculate clusters for back tracectories

Calculate rollingMean values

K-means clustering of bivariate polar plots

Calculate percentile values from a time series

Taylor Diagram for model evaluation with conditioning

Function to rapidly provide an overview of air quality data

Time series plot with categories shown as a stacked bar chart

Subset a data frame based on date

Calculate summary statistics for air pollution data by year

corrgram plot with conditioning

Function to split data in different ways for conditioning

Tests for trends using Theil-Sen estimates

openair colours

AURN data import for openair

Plot time series

Diurnal, day of the week and monthly variation

Bivariate polarAnnulus plot

Import monitoring site meta data

Trajectory plots with conditioning

Function to extract run lengths greater than a threshold

conditionalQuantile

Conditional quantile estimates for model evaluation

Function to plot wind speed/direction frequencies and other statistics

Function to calculate timeAverages for data frames

Estimate NO2/NOX emission ratios from monitoring data

SAQN data import for openair

Function to plot percentiles by wind direction