Description Usage Arguments Value Author(s) References See Also
Use principal components for testing rare variants association with disease traits.
1 2 |
x |
Genotype matrix |
y |
Phenotype vector |
scale |
If TRUE, scale x and y. |
ncomp |
Number of components, which could be a vector containing a set of numbers. |
varpercent |
Explained variance percentage |
npermutation |
Number of permutation, if less than 1, the permutation will not be run. |
npermutation.max |
Maximum permutation |
min.nonsignificant.counts |
Minimum nonsignificant counts |
score |
Correlation between y and y_est |
nonsignificant.counts |
Counts of permuted data that have a higher score than unpermuted data. |
pvalue.empirical |
Empirical pvalue via permutation |
pvalue.nominal |
Theoretical pvalue, not available now. |
total.permutation |
Total permutation |
ncomp.varp |
Number of components required for specified variance percentage |
C. Xu
Xu C, Ladouceur M, Dastani Z, Richards JB, Ciampi A, Greenwood CMT. (2012) Multiple Regression Methods Show Great Potential for Rare Variant Association Tests. PLoS ONE 7(8): e41694. doi:10.1371/journal.pone.0041694
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