Description Usage Arguments Value References See Also Examples
src
computes the Standardized Regression Coefficients
(SRC), or the Standardized Rank Regression Coefficients (SRRC), which
are sensitivity indices based on linear or monotonic assumptions in
the case of independent factors.
1 2 3 4 5 |
X |
a data frame (or object coercible by |
y |
a vector containing the responses corresponding to the design of experiments (model output variables). |
rank |
logical. If |
nboot |
the number of bootstrap replicates. |
conf |
the confidence level of the bootstrap confidence intervals. |
x |
the object returned by |
ylim |
the y-coordinate limits of the plot. |
... |
arguments to be passed to methods, such as graphical
parameters (see |
src
returns a list of class "src"
, containing the following
components:
call |
the matched call. |
SRC |
a data frame containing the estimations of the SRC
indices, bias and confidence intervals (if |
SRRC |
a data frame containing the estimations of the SRRC
indices, bias and confidence intervals (if |
A. Saltelli, K. Chan and E. M. Scott eds, 2000, Sensitivity Analysis, Wiley.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | # a 100-sample with X1 ~ U(0.5, 1.5)
# X2 ~ U(1.5, 4.5)
# X3 ~ U(4.5, 13.5)
n <- 100
X <- data.frame(X1 = runif(n, 0.5, 1.5),
X2 = runif(n, 1.5, 4.5),
X3 = runif(n, 4.5, 13.5))
# linear model : Y = X1 + X2 + X3
y <- with(X, X1 + X2 + X3)
# sensitivity analysis
x <- src(X, y, nboot = 100)
print(x)
plot(x)
|
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.