Archives
Local Indicators of Spatial Association in Homicides in Baltimore, 2019
Posted on March 3, 2020 2 Comments
Sure, you could use very expensive GIS software to do this, but why would you? Here I do some spatial association/autocorrelation analysis in R.
Epi 101: Indirect Age Adjustment by Hand and in R
Posted on April 18, 2019
Sometimes, age-specific death counts are hard to come by. Something happened that doesn’t allow you to know how many people died in each age group, but you know the total number of people who died. So how do you account for differences in the age distribution of the population? Glad you asked!
Don’t Get Rid of Your Outliers Just Because
Posted on March 31, 2019 5 Comments
What happens when you get rid of your outliers? Depending on which outliers and how you chose to get rid of them, nothing might happen… Or you can royally screw things up.
Poopooing the P-Value
Posted on March 24, 2019
Have we become too dependent on the p-value being greater than or less than 0.05 in order to make our decisions? Yes. Probably. Maybe. I’m 95% confident we have…
When the Numbers Don’t Say What You Think They Say
Posted on March 13, 2019 5 Comments
Sometimes it’s possible to see some numbers and think that there is some sort of pattern or association there. Then we do the math and it turns out that what we saw was observed just by chance. Such is the case with this one observation seen by an anti-vaccine friendly pediatrician.
EpidemioLogical 