Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:For the RNA-Seq data set the fitting parameters are p = 0.47 and
PLOSGenetics | DOI:10.1371/journal.pgen.1005613 October 23, 2015 18 / 23
s = 0.16, and for the RPF data set are p = 0.58 and s = 0.15.
Category: