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openair (version 0.7-0)

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

5,974

Version

0.7-0

License

GPL (>= 2)

Maintainer

David Carslaw

Last Published

September 19th, 2012

Functions in openair (0.7-0)

Import pre-calculated HYSPLIT 96-hour back trajectories

Function to extract run lengths greater than a threshold

AURN csv file data import for openair

Generic data import for openair

Generic functions for handling openair outputs

Divide up a data frame by time

SAQN data import for openair

Example data for openair

conditionalEval

Conditional quantile estimates with additional variables for model evaluation

Function to rapidly provide an overview of air quality data

Plot time series values in convential calendar format

AURN data import for openair

Automatic text formatting for openair

K-means clustering of bivariate polar plots

Function to calculate timeAverages for data frames

Linear relations between pollutants

Bivariate polar plot with smoothing

Import monitoring site meta data

Import data from King's College London networks

conditionalQuantile

Conditional quantile estimates for model evaluation

corrgram plot with conditioning

Bivariate polarAnnulus plot

ADMS data import function(s) for openair

Subset a data frame based on date

Function to split data in different ways for conditioning

Calculate rollingMean values

openair-package

Tools for the analysis of air pollution data

Traditional wind rose plot and pollution rose variation

openair colours

Function to plot wind speed/direction frequencies and other statistics

Function to plot percentiles by wind direction

Calculate clusters for back tracectories

Plot time series

Calculate smoothTrends

Calculate percentile values from a time series

Tests for trends using Theil-Sen estimates

Scale key handling for openair

Kernel density plot for daily mean exceedance statistics

Calculate summary statistics for air pollution data by year

Estimate NO2/NOX emission ratios from monitoring data

Calculate common model evaluation statistics

Diurnal, day of the week and monthly variation

Taylor Diagram for model evaluation with conditioning

Flexible scatter plots

Trajectory plots with conditioning