L0_2016_Athens_Physics_Programme_V6

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cran



4

y



4x



1

y



1x

Random error:

N

i

2

x,i

x

σ

σ





N

i

2

y,i

y

σ

σ





Parameters to describe SYSTEMATIC and

RANDOM errors in the patient population:

Systematic error:



x

: SD(m

i,x

)



y

: SD(m

i,y

)

caud

left

right

Mean error:

M

x

: <m

i,x

>



0

M

y

: <m

i,y

>



0



y



x



2

y



2x