
620 Statistics and Data Analysis for Microarrays Using R and Bioconductor
FIGURE 18.35: Biclustering the ALL data after filtering. Class membership
is indicated by blue (fusion) or magenta (fusion negative) stripe at top of
plot region. Rows correspond to da ta features (genes) while columns to data
points (s amples). Hierarchical clustering is applied simultaneously to both
rows (genes) and columns (samples) of the expression matrix.