Description Usage Arguments Details References See Also Examples
estimateVariance
estimate noise variance.
1 | estimateVariance(X, Y, n_rep = 5)
|
X |
predictor matrix of dimension n by p. |
Y |
continuous outcome vector of length n. |
n_rep |
number of repeated estimation. Default is 10. |
The estimateSigma
function from selectiveInference is used repeatedly to estimate noise variance.
Stephen Reid, Jerome Friedman, and Rob Tibshirani (2014). A study of error variance estimation in lasso regression. arXiv:1311.5274.
selectiveInference
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