problemdata | R Documentation |
The function returns to which of the following sub-domains the claims problem belongs to: the lower-half, higher-half, and midpoint domains. In addittion, the function returns the minimal rights vector, the truncated claims vector, the sum and the half-sum of claims.
problemdata(E, d, draw = FALSE)
E |
The endowment. |
d |
The vector of claims. |
draw |
A logical value. |
Let E≥ 0 be the endowment to be divided and d the vector of claims with d≥ 0 and such that D=∑ di ≥ E, the sum of claims D exceeds the endowment.
The lower-half domain is the sub-domain of claims problems for which the endowment is less or equal than the half-sum of claims, E ≤ D/2.
The higher-half domain is the sub-domain of claims problems for which the endowment is greater or equal than the half-sum of claims, E ≥ D/2.
The midpoint domain is the sub-domain of claims problems for which the endowment is equal to the half-sum of claims, E = D/2.
The minimal right of claimant i in (E,d) is whatever is left after every other claimant has received his claim, or 0 if that is not possible:
mi = max{ 0 , E-d(N-{i}) }, i=1,…,n.
Let m(E,d)=(m1,…,mn) be the vector of minimal rights.
The truncated claim of claimant i in (E,d) is the minimum of the claim and the endowment:
ti = min{di,E}, i=1,…,n.
Let t(E,d)=(t1,…,tn) be the vector of truncated claims.
The minimal rights vector; the truncated claims vector; the sum, the half-sum of the claims, and the class (lower-half, higher-half, and midpoint domains) to which the claims problem belongs. It returns cod = 1 if the claims problem belong to the lower-half domain, cod = -1 if it belongs to the higher-half domain, and cod = 0 for the midpoint domain. Moreover, if draw = TRUE a plot of the claims, from small to large in the interval [0,D], is given.
setofawards, allrules
E=10 d=c(2,4,7,8) problemdata(E,d,draw=TRUE)
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