To first provide some context, I have two boxplots (displaying median, 25th, and 75th percentiles), and I'm wondering what a boxplot of the difference between these two boxplots would look like. The ...
What is the right method for computing average of percentage values? Arithmetic average, geometric average, or something else? Here's an example of problems I'm talking about. Suppose for years 2009, ...
When I compute the five-number summary on my sample, I obtain quantiles that differ from the quantiles I got from the empirical cdf, since they are not normally distributed data. Can you help me in ...
This will sound weird, but I'm trying to calculate something that I don't know the name. I want to calculate how big/low a variable is in relation to the others. Like Google webmaster tools says ...