1
Q
Wind direction type
A
Qualitative circular data.
2
Q
Wind direction measurement
A
Compass points (N, NE, ENE, E, etc.).
3
Q
Why circular data is special
A
0° = 360°, so arithmetic averages are invalid.
4
Q
Why mean wind direction is invalid
A
Because direction wraps around and cannot be averaged numerically.
5
Q
Correct analysis method
A
Use modal direction or discuss frequency of categories.
