L0_2016_Athens_Physics_Programme_V6

814-815 / 3107

cran
1
6
2 8
7 4
3
9
5
11
10
patient 1
- set-up error in a fraction =
systematic error + random error
- patient’s systematic error = mean error
- unique for a patient
Systematic and random errors
caud
left right
patient set-up errors 2D:
each fraction: 
mean
set-up errors
- random error varies from day to
day