I want to analysis US-EPA data, there data are cross section and time series (2016-2018), what method i should do for that ?

03 March 2019 1 2K Report

I just have some variables, there are : country, state, year, days with AQI, Good Days, Moderate Days, Unhealthy for Sensitive Groups Days, Unhealthy Days, Very Unhealthy Days, Hazardous Days, Max AQI, 90th Percentile AQI, Median AQI, Main Pollutant

I'm confusing I don't know what the dependent and independent variables.

Bayan Hussien

Well,

Without type and concentration of pollutants , the interpretation is only qualitative, and not quantitative.

Regards

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