Lessons & Questions on: R


Question: Random vs. Scientific

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A recent headline: Here’s how the ACS is implemented (from Wikipedia): The ACS has an initial sample of approximately 3 million housing unit addresses and group quarters in the United States, with sample selected from all counties and county-equivalents, American Indian and Alaska Native area, and Hawaiian Homeland, and in Puerto Rico annually. Data are collected primarily by mail, with follow-ups by […]

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3 + C: Alcohol Consumption

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Three things it tells me:  1. The vast majority of alcohol consumers have had at least one hangover. 2. Less than half of students have weekly hangovers. 3. I think that the second and third bars are exclusive and of a common whole, which means that 40% of college students have at least one hangover […]