Table 2.

Sample data, a matrix of specimen information with specimen identifiers on rows and column variables.

	Specimen ID	Subject ID	Specimen type	Batch number
Specimen1	Specimen1	Subject1	Plasma	1
Specimen2	Specimen2	Subject2	Plasma	2
⋮	⋮	⋮	⋮	⋮
${\text{ Specimen}}_{n_1}$	${\text{ Specimen}}_{n_1}$	${\text{ Subject}}_{n_1}$	Plasma	1
${\mathrm{Control}}_{\left(n_1+1\right)}$	${\mathrm{Control}}_{\left(n_1+1\right)}$	Reagent	Control	1
${\mathrm{Control}}_{\left(n_1+2\right)}$	${\mathrm{Control}}_{\left(n_1+2\right)}$	Library	Control	1
⋮	⋮	⋮	⋮	⋮
ControlN	ControlN	Reagent	Control	2