Stereology Error Calculator
Calculate POINTS NEEDED with known Standard Error and V
V
Coverage of object as a fraction of 1 (0 to 1):
fraction (V
V
)
Desired margin of error in % (>0 to 100):
% error (E)
The Answer:
Point counts required:
points (P
T
)
Calculate STANDARD ERROR with known P
T
& V
V
Coverage of object as a fraction of 1 (0 to 1):
fraction (V
V
)
Number of points counted:
points (P
T
)
The Answer:
margin of error in %:
% error (E)
This is based on the equation: P
t
= 0.453 * (1 - V
V
) / (V
V
* E
2
)