Description Usage Arguments Details Value Examples
View source: R/manual R codes.r
Make the 2-D matrix to store the probabilities of all 2X2 tables when N patients treated, columns and rows are A-arm selection fraction and sucess rate separately. .
1 | dist.2D(S, A, p)
|
S |
the same structure with Xsm,storing the number of favorable outcomes at all possible 2X2 tables when a series of N patients to be treated. |
A |
the same structure with Xsm,storing the number of A-arm treatment at all possible 2X2 tables when a series of N patients to be treated |
p |
the same structure with Xsm,storing the probabilities of all possible 2X2 tables when a series of N patients to be treated. |
S,A,p are special list structure, each of which represents one variable based on all possible combinations of 2X2 tables when N patients treated. And the length of list equals to N+1.
a list of matrices consisted of probabilities with rows corresponding to the probabilities vary along with A-arm fraction selection and columns corresponding to the probabilities vary along with overall success rates.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 | library(combinat)
N <- 20
out<-serialTables(N)
ABSF<-sapply(out$Z, unlist)
#'
A.cnt <- relist((ABSF[,1]+ABSF[,2]),out$sk)
A.fraction<-apply(ABSF,1,A.frac)
A.fraction[1] <- 0.5
Success.cnt <- relist(ABSF[,1]+ABSF[,3],out$sk)
Success.fraction <-success.fraction<-apply(ABSF,1,success.frac)
Success.fraction[1] <- 0.5
E.st_prob.A<-apply(ABSF,1,E.st_utinity)
#Probability to select the A-arm based on utinity function of E.st: E.st_utinity()
a<-0.8
#ture success rate of A-arm treatment
b<-0.6
#ture success rate of B-arm treatment
E.table.probability<-table.prob(relist(E.st_prob.A,out$sk),p=c(a,b))
#exact probability per 2X2 table based on utinity function of E.st: E.st_utinity()
grid.exp.ls<-dist.2D(Success.cnt,A.cnt,E.table.probability)
str(grid.exp.ls)
w=0.5
#homogeneous optimistic attitude with w=0.5
T.st_prob.A<-apply(ABSF,1,T.st_utinity,w=0.5)
#Probability to select the A-arm based on utinity function of T.st: T.st_utinity()
a<-0.8
#ture success rate of A-arm treatment
b<-0.6
#ture success rate of B-arm treatment
T.table.probability<-table.prob(relist(T.st_prob.A,out$sk),p=c(a,b))
#exact probability per 2X2 table based on utinity function of T.st: T.st_utinity()
grid.target.ls<-dist.2D(Success.cnt,A.cnt,T.table.probability)
str(grid.target.ls)
|
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.