Description Usage Arguments Examples
Calculate confidence interval for truncated normal variable
1 2 |
meanEst |
mean |
sd |
standard deviation |
limits |
|
alpha |
value specifying the interval coverage, which is |
gridpts, griddepth |
parameters for grid search used in the confidence interval
function of the package |
range |
gives the range |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | library(intervals)
# one restriction -- in this case equal to a call to \code{\link{msm::qtnorm}}
int1 <- Intervals(c(-3,1))
mean = -0.2
sd = 1
ci_tnorm(meanEst = mean, sd = sd, limits = int1, alpha = 0.05)
# two intervals -- 1-alpha coverage not possible
(int2 <- Intervals(matrix(c(-3,-2,-1,1),
ncol = 2, byrow = TRUE)))
ci_tnorm(meanEst = mean, sd = sd, limits = int2, alpha = 0.05)
# two intervals -- 1-alpha coverage possible, but interval not symmetric
(int3 <- Intervals(matrix(c(-3,-2.5,-1.9,1),
ncol = 2, byrow = TRUE)))
ci_tnorm(meanEst = mean, sd = sd, limits = int3, alpha = 0.05)
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