Description Usage Arguments Details Value
This function is used to construct the simultaneous confidence corridors (SCC) for the coefficient functions in image-on-scalar regression.
1 2 | scc.FDAimage(Y, X, Z, V, Tr, d = 5, r = 1, lambda = 10^seq(-6, 6, by
= 0.5), alpha0 = 0.05, nboot = 100, ksi = 0.01)
|
Y |
The response images of dimension |
X |
The design matrix of dimension |
Z |
The cooridinates of dimension |
V |
The |
Tr |
The triangulation matrix of dimention |
d |
The degree of piecewise polynomials – default is 5, and -1 represents piecewise constant.
|
r |
The smoothness parameter – default is 1, and 0 ≤ |
lambda |
The vector of the candidates of penalty parameter – default is grid points of 10 to the power of a sequence from -6 to 6 by 0.5.
|
alpha0 |
The nominal level of the SCC – default is 0.05.
|
nboot |
The number of bootstraps – default is 100. |
This R package is the implementation program for manuscript entitled "Multivariate Spline Estimation and Inference for Image-on-Scalar Regression" by Shan Yu, Guannan Wang, Li Wang and Lijian Yang.
A list of the lower SCC and upper SCC for the coefficient functions.
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