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openair (version 0.9-2)

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

0.9-2

License

GPL (>= 2)

Maintainer

David Carslaw

Last Published

January 29th, 2014

Functions in openair (0.9-2)

K-means clustering of bivariate polar plots

Function to calculate timeAverages for data frames

Function to rapidly provide an overview of air quality data

Trajectory plots with conditioning

conditionalQuantile

Conditional quantile estimates for model evaluation

AURN csv file data import for openair

Calculate summary statistics for air pollution data by year

Estimate NO2/NOX emission ratios from monitoring data

conditionalEval

Conditional quantile estimates with additional variables for model evaluation

Generic data import for openair

SAQN data import for openair

Function to plot wind speed/direction frequencies and other statistics

Taylor Diagram for model evaluation with conditioning

Example data for openair

Calculate common model evaluation statistics

Subset a data frame based on date

Traditional wind rose plot and pollution rose variation

Import data from King's College London networks

Function to split data in different ways for conditioning

Generic functions for handling openair outputs

Function to plot percentiles by wind direction

openair colours

Kernel density plot for daily mean exceedance statistics

Bivariate polar plot with smoothing

Import monitoring site meta data

Import pre-calculated HYSPLIT 96-hour back trajectories

Automatic text formatting for openair

openair-package

Tools for the analysis of air pollution data

Time series plot with categories shown as a stacked bar chart

Flexible scatter plots

Plot time series values in convential calendar format

Calculate rollingMean values

Scale key handling for openair

Calculate smoothTrends

Tests for trends using Theil-Sen estimates

corrgram plot with conditioning

Linear relations between pollutants

Bivariate polarAnnulus plot

AURN data import for openair

Divide up a data frame by time

ADMS data import function(s) for openair

Plot time series

Diurnal, day of the week and monthly variation

Calculate percentile values from a time series

Function to extract run lengths greater than a threshold

Calculate clusters for back tracectories