by Craig Marker | Jan 31, 2007 | Uncategorized
The Social Science Statistics Blog has an interesting entry today on heterogeneity in observational studies. Below is an excerpt:”Imagine you are asked to conduct an observational study to estimate the effect of wearing a helmet on the risk of death in...
by Craig Marker | Jan 29, 2007 | Uncategorized
Here is an old silent movie describing Type I and Type II errors.
by Craig Marker | Jan 25, 2007 | Uncategorized
Scientific American: Fact or Fiction?: Premium Gasoline Delivers Premium Benefits to Your CarExploding the myth that premium gasoline delivers better performance in the average automobile
by Craig Marker | Jan 24, 2007 | Uncategorized
Scientific American: License to Work [ BY THE NUMBERS ]Professional licensing: Road to social atherosclerosis?
by Craig Marker | Jan 24, 2007 | Uncategorized
Economist discuss positional goods, which are goods that are in fixed supply. People can only enjoy these goods if others do not. Some examples include the best education, best jobs, and best home locations.Positional goods for previous generations have become...
