Help with Averaging Data per county per state for AQI data... then maps

[andresrcs]

@KarmicDreamwork

I'm told I could use tidyverse and aggregate but also not sure if that would actually work for this.

You have been told right, you can do all this and more with the tools of the tidyverse, Here is a free online book where you can learn how to do it. (IMHO using loops is not the best approach)

5 Data transformation | R for Data Science

For getting more specific help, I encourage you to make a REPRoducible EXample (reprex). A reprex makes it much easier for others to understand your issue and figure out how to help.

If you've never heard of a reprex before, you might want to start by reading this FAQ:

FAQ: How to do a minimal reproducible example ( reprex ) for beginners

A minimal reproducible example consists of the following items: A minimal dataset, necessary to reproduce the issue The minimal runnable code necessary to reproduce the issue, which can be run on the given dataset, and including the necessary information on the used packages. Let's quickly go over each one of these with examples: Minimal Dataset (Sample Data) You need to provide a data frame that is small enough to be (reasonably) pasted on a post, but big enough to reproduce your issue. Let's say, as an example, that you are working with the iris data frame head(iris) #> Sepal.Length Sepal.Width Petal.Length Petal.Width Species #> 1 5.1 3.5 1.4 0.…