Description Usage Arguments Value Examples
The iterative graphlet screening procedure, main function of the package.
1 2 |
y.tilde |
X'y where X and y are the predictor matrix and the response vector, respectively. |
gram |
the threholded gram matrix |
gram.bias |
the bias of the threholded gram matrix |
cg.all |
all the connected cg.alls of gram with size no more than nm. |
sp |
the expected sparse level |
tau |
the minimal signal strength to be detected |
nm |
the maximal size of the connected subgaphs considered in the screening step. |
q0 |
the minimal screening parameter |
scale |
optional numerical parameter of the screening step. The default is 1 |
max.iter |
the maximal number of iterations. The default is 3. |
std.thresh |
the threshold of the std change that stop the loop. The default is 1.05. |
beta.initial |
the initial estimate of beta in reducing the bias. The default is uu*sign(y.tilde)*(abs(y.tilde)>uu). |
IterGS returns a list with two elements
estimate |
The iterative GS estimate of beta |
n.iter |
The number of iterations it takes |
1 | ##See demoIterGs.r
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