Nothing
ddiffprop <- function(x, k1, k2, n1, n2, a1 = 0.5, a2 = 0.5, log = FALSE, ...)
{
if ((a1 < 0 | a1 > 1) | (a2 < 0 | a2 > 1)) {
warning("a1 and a2 should both be between 0 and 1 for this fiducial approach!", call. = TRUE)
}
d <- x
ddiffprop2 <- function(d, k1, k2, n1, n2, a1, a2,...)
{
c1 <- k1 + a1
c2 <- k2 + a2
b1 <- n1 - k1 + a1
b2 <- n2 - k2 + a2
K <- beta(c1, b1)*beta(c2, b2)
if(d >= (-1) & d <= 0){
out <- try(beta(c1,b2)*F1(b2, c1 + c2 + b1 + b2 - 2, 1 - c2, c1 + b2, 1 + d, 1 - d^2, ...)*((-d)^(b1 + b2 - 1)*(1 + d)^(c1 + b2 - 1))/K, silent = TRUE)
} else if(d > 0 & d <= 1){;
out <- try(beta(c2, b1)*F1(b1, c1 + c2 + b1 + b2 - 2, 1 - c1, c2 + b1, 1 - d, 1 - d^2, ...)*(d^(b1 + b2 - 1)*(1 - d)^(c2 + b1 - 1))/K, silent = TRUE)
} else out <- 0
if(class(out) == "try-error") out <- 0
out
}
TEMP <- Vectorize(ddiffprop2)
temp <- TEMP(d = d, k1 = k1, k2 = k2, n1 = n1, n2 = n2, a1 = a1, a2 = a2,...)
if(log) temp <- log(temp)
temp
}
qdiffprop <- function(p, k1, k2, n1, n2, a1 = 0.5, a2 = 0.5, lower.tail = TRUE, log.p = FALSE,...)
{
if ((a1 < 0 | a1 > 1) | (a2 < 0 | a2 > 1)) {
warning("a1 and a2 should both be between 0 and 1 for this fiducial approach!", call. = TRUE)
}
if (log.p) p <- exp(p)
if (lower.tail == FALSE) p <- 1 - p
qdiffprop2 <- function(p, k1, k2, n1, n2, a1, a2,...)
{
if(p <= 0){
out <- (-1)
} else if(p >= 1){
out <- 1
} else{
temp.fun <- function(d, p, k1, k2, n1, n2, a1, a2) p - integrate(Vectorize(ddiffprop), k1 = k1, k2 = k2, n1 = n1, n2 = n2, a1 = a1, a2 = a2, lower = -1, upper = d, ...)$value
out <- try(uniroot(temp.fun, c(-1, 1), k1 = k1, k2 = k2, n1 = n1, n2 = n2, a1 = a1, a2 = a2, p = p)$root, silent = TRUE)
if(class(out) == "try-error"){
temp2 <- c(abs(temp.fun(-1,p,k1,k2,n1[1],n2[1],a1,a2)), abs(temp.fun(1,p,k1,k2,n1[1],n2[1],a1,a2)))
out <- ifelse(which.min(temp2)==1,-1,1)
}
}
out
}
TEMP <- Vectorize(qdiffprop2)
temp <- TEMP(p, k1, k2, n1, n2, a1, a2, ...)
temp
}
pdiffprop <- function(q, k1, k2, n1, n2, a1 = 0.5, a2 = 0.5, lower.tail = TRUE, log.p = FALSE,...)
{
if ((a1 < 0 | a1 > 1) | (a2 < 0 | a2 > 1)) {
warning("a1 and a2 should both be between 0 and 1 for this fiducial approach!", call. = TRUE)
}
x <- q
pdiffprop2 <- function(x, k1, k2, n1, n2, a1, a2,...)
{
if(x <= (-1)){
out <- 0
} else if(x >= 1){
out <- 1
} else{
out <- integrate(Vectorize(ddiffprop), k1 = k1, k2 = k2, n1 = n1, n2 = n2, a1, a2, lower = -1, upper = x, ...)$value
}
out
}
TEMP <- Vectorize(pdiffprop2)
temp <- TEMP(x = x, k1 = k1, k2 = k2, n1 = n1, n2 = n2, a1, a2,...)
if (lower.tail == FALSE) temp <- 1 - temp
if (log.p) temp <- log(temp)
temp
}
rdiffprop <- function(n, k1, k2, n1, n2, a1 = 0.5, a2 = 0.5)
{
if ((a1 < 0 | a1 > 1) | (a2 < 0 | a2 > 1)) {
warning("a1 and a2 should both be between 0 and 1 for this fiducial approach!", call. = TRUE)
}
out=rbeta(n, k1 + a1, n1 - k1 + a1) - rbeta(n, k2 + a2, n2 - k2 + a2)
out
}
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