The file darpa.rhino.rma.(n=171).(excluding.39548.39563).txt is the normalized rhino data ~lincoln/phd/readme.txt describes the normalization process Row 1 begins with a label followed by a CEL file names of the samples (space separated, I think) The remaining rows begin with a probe id followed by normalized readings of that probe for the corresponding sample A CEL file name has the form 1359_39407_H133A2_14182_S04771.CEL or 1359_39407_H133A2_14182_S04771@N2.CEL The sample id (eaid) is between the first and second _s (for example 39407 in the above file names). The @N2 indicates a replicate. Generally only subjects 6,8 have replicates. One exception is 1359_39472_H133A2_13993_S04946@N2.CEL for which there is no non-replicate i.e no filename 1359_39472_H133A2_13993_S04946.CEL Example probe ids are 1007_s_at and AFFX-r2-P1-cre-5_at