This shows several examples of Polar charts, with data which is intrinsically directional (like the meteor start chart) or just uses an unusual number of dimensions, like the 7 criteria on the Saab and Volvo.
All numbers are random except the Greenfield corals, which is real data.
Frequency of
wind direction
in Gilling
This is a nice way of showing wind directions over a month.
Coral alignments
at Greenfield
0
5
10
15
20
25
% Frequency count
See Proceedings of Yorkshire Geol Soc Nov 99 - amazingly enough, this one is genuine data.
Cars compared
on 7 criteria
Speed
Fuel
Comfort
Reliability
Safety
Seating
Service Interval
0
5
10
15
20
25
30
35
40
Volvo
Saab
Similar to the example in the IBM PGF manual circa 1979. This shows a polar plot with 7-way symmetry.
Cars
| Criterion | Volvo | Saab |
|---|---|---|
| Speed | 37 | 23 |
| Fuel | 32 | 19 |
| Comfort | 38 | 31 |
| Reliability | 39 | 25 |
| Safety | 39 | 33 |
| Seating | 28 | 38 |
| Service Interval | 31 | 41 |
Meteors sighted
18th Nov
North
NE
East
SE
South
SW
West
NW
90
60
30
Just a simple skymap! The data is very fictitious, by the way!