dheft.RdDensity (dheft), cumulative probability (pheft), hazard rate (hheft),
quantiles (qheft), and random samples (rheft) from a heft object
dheft(q, fit)
hheft(q, fit)
pheft(q, fit)
qheft(p, fit)
rheft(n, fit)vector of quantiles. Missing values (NAs) are allowed.
vector of probabilities. Missing values (NAs) are allowed.
sample size. If length(n) is larger than 1, then
length(n) random values are returned.
heft object, typically obtained from heft.
Densities (dheft), hazard rates (hheft),
probabilities (pheft), quantiles (qheft),
or a random sample (rheft) from a heft object.
Elements of q or p that are missing will cause the
corresponding elements of the result to be missing.
Charles Kooperberg, Charles J. Stone and Young K. Truong (1995). Hazard regression. Journal of the American Statistical Association, 90, 78-94.
Charles J. Stone, Mark Hansen, Charles Kooperberg, and Young K. Truong. The use of polynomial splines and their tensor products in extended linear modeling (with discussion) (1997). Annals of Statistics, 25, 1371–1470.
fit <- heft(testhare[,1],testhare[,2])
dheft(0:10,fit)
#> [1] 0.00000000 0.11950647 0.13341915 0.08061400 0.04657502 0.03742625
#> [7] 0.03376190 0.03045046 0.02745516 0.02479511 0.02245161
hheft(0:10,fit)
#> [1] 0.00000000 0.12882896 0.16789413 0.11758136 0.07449399 0.06406334
#> [7] 0.06153308 0.05894438 0.05629845 0.05371861 0.05126222
pheft(0:10,fit)
#> [1] 0.00000000 0.07236336 0.20533766 0.31439809 0.37478149 0.41579301
#> [7] 0.45132115 0.48340360 0.51232840 0.53842604 0.56202427
qheft((1:19)/20,fit)
#> [1] 0.8031157 1.2216213 1.5946184 1.9601485 2.3522512 2.8311603
#> [7] 3.5203602 4.5900333 5.9750102 7.5837148 9.5526890 11.9731408
#> [13] 15.1415017 19.0423923 25.3238716 33.0818519 49.3013025 79.9747980
#> [19] 175.0957234
rheft(10,fit)
#> [1] 1.6986147 15.0039141 12.0364470 7.3514926 18.2108673 0.8732252
#> [7] 8.7173741 3.7435900 34.6085182 23.0530117