Table 2.

Classification of microarray experiments. Columns show the classification basis, class, number of experiments assigned to the particular class, corresponding number of CEL Files.

Basis	Class	Experiments	CEL Files
Process	Chemical	75	808
	Development	190	2252
	Hormone	116	1806
	Light	64	1210
	Metabolism	214	1535
	Pathogen	69	1156
	Stress	153	2476
Tissue	Flower	69	764
	Leaf	279	4268
	Root	121	1939
	Seedling	379	5234
	Whole Plant	144	2359