STRING STRING CATEGORICAL CATEGORICAL CATEGORICAL filename samplename Cy3 Cy5 class MS-Hip43.gpr MS1 MSsample Reference MS MS-Hip47.gpr MS2 MSsample Reference MS MS-Hip50.gpr MS3 MSsample Reference MS MS-Hip58.gpr MS4 MSsample Reference MS MS-Hip63.gpr MS5 MSsample Reference MS SR-Hip21.gpr SR1 SRsample Reference SR SR-Hip28.gpr SR2 SRsample Reference SR SR-Hip53.gpr SR3 SRsample Reference SR SR-Hip61.gpr SR4 SRsample Reference SR SR-Hip69.gpr SR5 SRsample Reference SR