Is the Column Switcher what you are looking for?
NamesDefaultToHere(1);
dt = Open("$SAMPLE_DATA/Semiconductor Capability.jmp");
dt << Bivariate(
Y( :NPN1 ),
X( :SPM1 ),
Fit Spline( 10000, {Line Color( {208, 64, 86} )} ),
Column Switcher(
:SPM1,
{:PNP1, :PNP2, :NPN2, :PNP3, :IVP1, :PNP4, :NPN3, :IVP2, :NPN4, :SIT1, :INM1,
:INM2, :VPM1, :VPM2, :VPM3, :PMS1, :SNM1, :SPM1, :NPN5, :EP2, :ZD6, :PBA,
:PLG, :CAP, :PBA 2, :PLG 2, :PNP5, :NPN6, :PNP6, :PNP7, :NPN7, :PNP8, :IVP3,
:IVP4, :IVP5, :IVP6, :PNP9, :NPN8, :NPN9, :IVP7, :NPN10, :N_1, :PBA1, :WPR1,
:B10, :PLY10, :VBE210, :VTN210, :VTP210, :SIT2, :SIT3, :INV2, :INV3, :INV4,
:INV5, :FST1, :FST2, :RES1, :RES2, :PNM1, :PPM1, :FNM1, :FPM1, :FST3, :FST4,
:RES3, :RES4, :A1, :B1, :A2N, :A2P, :A2P1, :IVP8, :IVP9, :DE_H1, :NF_H1,
:ESM1, :ESM2, :ESP1, :YFU1, :VPM4, :PBA2, :PBB1, :LYA1, :LYB1, :DEM1, :DEP1,
:NFM1, :PLY1, :VDP1, :VDP2, :SNW1, :RSP2, :PLY2, :RSP1, :VDP3, :PBL1, :PLG1,
:VDP4, :SPW1, :VIA1, :INM3, :VPM5, :VPM6, :INM4, :VPM7, :M1_M1, :M2_M2,
:P1_P1, :E2A1, :E2B1, :NPN11, :IVP10, :PNP10, :INM5, :VPM8, :VPM9, :INM6,
:VPM10, :N2A1, :N2B1, :NM_L1, :P2A1, :P2B1, :PM_L1, :P1, :M1}
)
);