Perturbations of the p53 pathway are associated with more aggressive and therapeutically refractory tumours. We preprocessed the data using Robust Multichip Analysis (RMA). Dataset has been truncated to the 1000 most informative genes (as selected by Wilcoxon test statistics) to simplify computation. The genes have been standardised to have zero mean and unit variance (i.e. z-scored).
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controlcode defines whether there was a mutation in the
p53 sequence (code=case) or not (code=control).
data(breastcancer)
## maybe str(breastcancer) ; plot(breastcancer) ...
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