Words to Describe subsamples

How subsamples often is described ("________ subsamples")

• regional
• longitudinal
• distinct
• smaller
• adequate
• stratified
• triplicate
• west
• analytical
• representative
• various
• several
• comparable
• specific
• pooled
• relevant
• balanced
• ethnic
• exclusive
• small
• duplicate
• additional
• nested
• systematic
• interpenetrated
• variable
• identical
• appropriate
• black
• enough
• equal
• african
• corresponding
• restricted
• gram
• hispanic
• randomized
• respective
• disjoint
• occupational
• older
• sized
• separate
• larger
• younger
• heterogeneous
• shorter
• ascertained
• temporal
• equivalent
• following
• possible
• male
• female
• rural
• large
• successive
• independent
• homogeneous
• different
• urban
• racial
• other
• individual
• random
• limited
• replicated
• multiple