Balanced Incomplete Block Design

GPTKB entity

Statements (30)
Predicate Object
gptkbp:instanceOf combinatorics
gptkbp:abbreviation gptkb:BIBD
gptkbp:application clinical trials
agricultural experiments
survey sampling
gptkbp:defines A set of v elements arranged in b blocks, each block containing k elements, each element occurs in r blocks, and every pair of elements occurs together in exactly λ blocks.
gptkbp:generalizes pairwise balanced design
gptkbp:hasEquation bk = vr
r(k-1) = λ(v-1)
gptkbp:hasSpecialCase gptkb:Steiner_triple_system
symmetric BIBD
https://www.w3.org/2000/01/rdf-schema#label Balanced Incomplete Block Design
gptkbp:introducedIn 1930s
gptkbp:inventedBy gptkb:Ronald_Fisher
gptkbp:parameter b (number of blocks)
k (block size)
r (replication number)
v (number of treatments)
λ (lambda, pairwise occurrence)
gptkbp:property each pair of elements occurs in exactly λ blocks
k < v
not all possible pairs are in the same block
gptkbp:relatedTo gptkb:geometry
gptkb:Steiner_system
block design
gptkbp:usedIn statistics
combinatorics
experimental design
gptkbp:bfsParent gptkb:BIBD
gptkbp:bfsLayer 8