1. DoubleExpSeq::counts
    Exon Inclusion Counts
    csv| json| rda| rds
    matrix|4000 x 15
  2. DoubleExpSeq::groups
    Group Structure of the Toy Data Set
    json| rda| rds
    character
  3. DoubleExpSeq::offsets
    Exon Total Counts
    csv| json| rda| rds
    matrix|4000 x 15