ATP Barcelona 2017

Analysis of variance

Observer places O 1,

Observer places O 2

Computer places O 3

Measure distances for many scans and landmarks Compute standard deviations of differences Solve for standard deviation of individual observers

o

o

1

2

μ

2 2 2 2 3 2 2 1 3 1 2 2 2 2 3 3 1 3 2 2 1 ( ( ( − − − − − − − − − = + − = + − = + − σ σ σ σ σ σ σ σ σ σ σ σ 2 2 1 2 1 3 1 3 2 2 2 2

)/2 )/2 )/2

o

3