tails_i  R Documentation 
Compare right tails of two sample distributions using an intervalbased approach (IBA); see \insertCiteChu_etal_2015_insurance;textualfuntimes and \insertCiteLyubchich_Gel_2017_insurance;textualfuntimes.
tails_i(x0, x1, d = NULL)
x0, x1 
vectors of the same length (preferably).
Tail in 
d 
a threshold defining the tail. The threshold is the same for both

Sturges' formula is used to calculate the number of intervals
(k
) for x0
\ge
d
, then interval width is derived.
The tails, x0
\ge
d
and x1
\ge
d
,
are divided into intervals. The number of x1
values within each interval
is compared with the number of x0
values within the same interval
(this difference is reported as Nk
).
A list with two elements:
Nk 
vector that tells how many more 
Ck 
vector of the intervals' centers. 
Calvin Chu, Yulia R. Gel, Vyacheslav Lyubchich
q.tails
x0 < rnorm(1000)
x1 < rt(1000, 5)
tails_i(x0, x1)
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