Hi,

We are planning to conduct a microarray time series experiment, for which we
doing the power analysis. Our experiment will have 2 factors: time (at 10
levels)  and treatment (at 3 levels). If we control the false positives at P
< 0.05 (FDR),  how many samples do we require to obtain reasonable power to
detect 1.5 fold change?

I am aware of 2 BioC packages: ssize and sizepower, which help us to do
power calculation. These 2 packages do not include 2-way ANOVA design. Are
there any other packages available for sample size calculation? It will be
of great help if you could provide pointers to useful resources.

Thanks in advance.

Best regards,
Sharon

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