I need to analyze a dataset of gene expression in human subjects of 3 age 
groups and 2 genders.  In each age group, there are 5 male and 5 female
subjects.  Each subject has duplicates.  Therefore, there are a total of
20 samples in each age group.  Now I want to use Two-way ANOVA to analyze 
the difference in age groups and genders.  I am not interested in the
difference in subjects.  How can I build an ANOVA model with the
consideration of duplicates in each subject?  Thanks.

Donglei Hu


