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Tools for air quality data analysis

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I want to make the world map border look thicker. Can you help me with the code? This is the trajectory image that is generated. I want to make these...

hysplit 🌐

Dear David, We plotted trajLevel for PSCF using back trajectories analysis. One of the reviewer commented on boundary of India. They said that boundary of India is merged with Pakistan...

I was wondering whether it is possible to implement a functionality to detect the best number of clusters when using the `trajCluster` function. Otherwise, how could I select the best...

question
hysplit 🌐

Hi, I've been saving the graph objects of type `openair` as `.RDS` files using `saveRDS()`. The files seem to become unmanageably large. For example, using the example for `conditionalQuantile()`, I...

Dear sir I have downloaded meteorology data for the required year using the code provided. The HYSPLIT has also run using the Openair code. But after the files were downloaded...

hysplit 🌐

Dear friend, thank you very much for your awesome openair program. It makes it much easier for us to carry out tasks that used to take a lot of time....

I do not understand the behaviour of `start.date` and `end.date` in `timeAverage()`. Given a command: timeAverage(df1, start.date="2015-11-24 00:00:00", end.date="2015-12-04 00:00:00") it seems that if the original timeseries starts after `start.date`...

utilities 🛠

In an attempt to improve visibility of windrose/pollutionRose plots with people who may be visually impaired, specifically people who may be colorblind, I am requesting that an option, texture.fill=T be...

Hi, The `percentileRose()` looks a bit weird when there are only few values available for certain wind directions. To improve the user friendliness, I was thinking about a warning of...

The following code runs with no error but returns an empty dataframe: COBR