ss.lanova {lamme}

Sample Size Planning for LANOVA

Description

Compute the required per-group sample size for the LANOVA test.

Usage

ss.lanova(k, r_sqrd, power = 0.8, alpha = 0.05)

Arguments

k

the number of groups.

r_sqrd

the expected explained variance (on the logged scale)

power

the desired statistical power (default=.8)

alpha

the significance level (default=.05)

Value

n

the per-group sample size requirement

References

Cohen, J. (1988). Statistical power analysis for the behavioral sciences (2nd ed.). Hillsdale,NJ: Lawrence Erlbaum.

Examples

ss.lanova(3,.01,.14,.05)