To compute stadard devitions, after the runs in

sdf_lam.sv   (with sdf.parm.000 <- sdf.parm.000.for_sdev)
sdf_npb.sv

are complete, run regr and sdev in the following order

regr ../sdf_npb_sv/combined/sdf.parms_chain 0 19 3
sdev ../sdf_lam_sv/sdf.rho 0 9 3
