pre-reqs: trig Think of the following two things. Temperature and wind speed. These are two different things that you could measure, but there is one big difference. Wind speed has two parts to it - ...

Recently, I was talking about vectors. At that time, I had to stop and recall how I had been representing vectors. Ideally, I should stick with the same notation I used in Basics: Vectors and Vector ...

In part I we compare vector ($\bar{a}$) and arithmetic ($\bar{x}$) means of circular-type variates by showing how each changes with addition of one measurement (an) to (n - 1) measurements.