psi26 {ig} | R Documentation |
Data set related to the IGTD which is available in the ig package. This data set has been taken from the literature of this topic.
data(psi26)
A vector containing 102 observations.
psi21
, psi26
and psi31
were taken from Birnbaum and Saunders (1969), who
reported fatigue life data correspond to the cycles (times 10^{-3})
of aluminum specimens of type 6061-T6. These specimens were cut in a parallel
angle to the direction of rotation and oscillating at 18 cycles per seconds.
They were exposed to a pressure with maximum stress of 21,000, 26,000 and
31,000 psi (pounds per square inch), for n = 101, 102, and 101
specimens, respectively.
Other data set names are: repairtimes
, shelflife
, fracture
, precipitations
and runoff
, which correspond to maintenance data
on active repair times (in hours) for an airborne communications transceiver,
shelflife (in days) of a food product, fracture toughnesses of welds,
precipitation (in inches) and runoff amounts at Jug Bridge, Maryland,
respectively.
Víctor Leiva <victor.leiva@uv.cl; victor.leiva@yahoo.com>,
Hugo Hernández <hugo.hernandez.p@gmail.com> and
Antonio Sanhueza <asanhueza@ufro.cl>.
Birnbaum Z. W. and Saunders S. C. (1969). Estimation for a family of life distributions. Journal of Applied Probability, 6, 319-327.