Nothing
uncond=function(a,b,c,d,n,alpha){
if (a+b+c+d!=n){return(paste("Caution: a+b+c+d is not equal to n."))}
if (a+b+c+d==n){
z=qnorm(1-alpha/2)
psidach=(b+c)/n
tetadach=(b-c)/n
dec=c()
dec2=c()
teta_v=seq(-0.9995,0.9995,0.0005)
i=0
if (b>0 & c>0 & (a+d)>0){
for (teta in teta_v ){
i=i+1
if (teta==0){psiteta=psidach
if ((a+d)*(log(1-psiteta)-log(1-psidach))+b*(log(psiteta)-log(psidach+tetadach))+c*(log(psiteta)-log(psidach-tetadach))>= -z^2/2){
dec[i]=1}
if ((a+d)*(log(1-psiteta)-log(1-psidach))+b*(log(psiteta)-log(psidach+tetadach))+c*(log(psiteta)-log(psidach-tetadach))< -z^2/2){
dec[i]=0}
}
if(teta!=0){
B=1/2*(psidach)+1/2*teta*(tetadach)
C=tetadach*teta-((a+d)/n)*teta^2
psiteta=B+sqrt(B^2-C)
if ((a+d)*(log(1-psiteta)-log(1-psidach))+b*(log(psiteta+teta)-log(psidach+tetadach))+c*(log(psiteta-teta)-log(psidach-tetadach))>= -z^2/2){
dec[i]=1
}
if ((a+d)*(log(1-psiteta)-log(1-psidach))+b*(log(psiteta+teta)-log(psidach+tetadach))+c*(log(psiteta-teta)-log(psidach-tetadach))< -z^2/2){
dec[i]=0}
}
}
ma_all=cbind(teta_v,dec)
like_l=min(ma_all[ma_all[,2]==1,1])
like_u=max(ma_all[ma_all[,2]==1,1])
cint=c(like_l,like_u)
}
# second scenario
if(c==0 & b>0 & (a+d)>0){
for (teta in teta_v ){
i=i+1
psiteta=max(teta,b/n-(1-b/n)*teta)
if (psiteta!=1){
if ((a+d)*(log(1-psiteta)-log(1-psidach))+b*(log(psiteta+teta)-log(psidach+tetadach))>= -z^2/2){
dec2[i]=1
}
if ((a+d)*(log(1-psiteta)-log(1-psidach))+b*(log(psiteta+teta)-log(psidach+tetadach))< -z^2/2){
dec2[i]=0}
}
}
ma_all=cbind(teta_v,dec2)
like_l=min(ma_all[ma_all[,2]==1,1])
like_u=max(ma_all[ma_all[,2]==1,1])
cint=c(like_l,like_u)
}
# third scenario
if (a==0 & d==0){
psiteta=1
for (teta in teta_v ){
i=i+1
if (b*(log(psiteta+teta)-log(psidach+tetadach))+c*(log(psiteta-teta)-log(psidach-tetadach))>= -z^2/2){
dec2[i]=1
}
if (b*(log(psiteta+teta)-log(psidach+tetadach))+c*(log(psiteta-teta)-log(psidach-tetadach))< -z^2/2){
dec2[i]=0}
}
ma_all=cbind(teta_v,dec2)
like_l=min(ma_all[ma_all[,2]==1,1])
like_u=max(ma_all[ma_all[,2]==1,1])
cint=c(like_l,like_u)
}
# fourth scenario
if (c==0 & b==0 & (a+d)>0){
for (teta in teta_v ){
i=i+1
psiteta=abs(teta)
if (psiteta!=1){
if ((a+d)*(log(1-psiteta)-log(1-psidach))>= -z^2/2){
dec2[i]=1
}
if ((a+d)*(log(1-psiteta)-log(1-psidach))< -z^2/2){
dec2[i]=0}
}
}
ma_all=cbind(teta_v,dec2)
like_l=min(ma_all[ma_all[,2]==1,1])
like_u=max(ma_all[ma_all[,2]==1,1])
cint=c(like_l,like_u)
}
c(like_l,like_u)
attr(cint, "conf.level") <- 1-alpha
rval <- list(conf.int = cint, estimate = tetadach)
class(rval) <- "htest"
return(rval)
}}
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