Description Usage Arguments Value See Also Examples
Confidence intervals for the total sensitivity indices by a bootstrap method.
1 2 |
Y |
Outputs. A data.frame with as many rows as observations and as many columns as response variables. |
XIndic |
Object of class |
B |
Number of bootstrap replicates. |
nc |
Number of components. |
graph |
If TRUE, boxplot display. |
alea |
If TRUE, an uniform random variable is included
in the analysis (see |
fast |
If TRUE, auxiliary results are calculated from the Miller's formulae more adapted to big datasets. |
alpha |
Level of the bootstrap confidence intervals. |
A matrix with as many rows as input variables and two columns: the lower and upper bounds of the total sensitivity indices percentile bootstrap confidence intervals.
1 2 3 4 5 6 7 8 | X <- cornell0[,1:3] # X-inputs
Y <- as.data.frame( cornell0[,8]) # response variable
# Creation of the polynomial:
P <- vect2polyX(X, c("1", "2", "3", "3*3*3"))
set.seed(15) #alea seed
nloops <- 3 # number of loops, example for fast running
nc <- 2 # number of components
sivipboot(Y, P, nloops, nc, fast=TRUE)
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