What are the types of variables included in the data set?
Learning R for Data Visualization (Video 3)
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Information Technology (IT), Architecture, Biology
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University
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Hard
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The video introduces the air pollution data set used in the course, provided by the EPA. It explains the EPA's role in collecting air pollution data across the US and details the pollutants measured. The video also describes the structure of the data set, which includes daily air pollution and weather data from six US states for 2013. The importance of understanding data structure before analysis is emphasized. The video concludes with a preview of the next topic, which involves importing text and CSV files for analysis.
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Why is it important to understand the structure of the data before analysis?
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