3 ms·
Measure the position of a pen relative to 1000 other objects in your room. Move the pen. How many of those measurements co-vary? Nearly all of them. Can you
by mjburgess 6y ago
Measure the position of a pen relative to 1000 other objects in your room.
Move the pen.
How many of those measurements co-vary? Nearly all of them.
Can you reduce that down to a subset of measurements that vary always independently?
With care, you only need 3.
- robertacion 6y agoThis is very interesting, can you recommend any link where I can learn more about this concept?
- mjburgess 6y agoggl factor analysis also: degree of freedom, dimension