2 search results - page 1 / 1 » Asymptotic expansions for a class of tests for a general cov... |
MA
2011
Springer
12 years 11 months ago
2011
Springer
Let S be a p × p random matrix having a Wishart distribution Wp(n, n−1Σ). For testing a general covariance structure Σ = Σ(ξ), we consider a class of test statistics Th = n...
MA
2010
Springer
13 years 3 months ago
2010
Springer
Quasi-independence is a common assumption for analyzing truncated data. To verify this condition, we consider a class of weighted log-rank type statistics that include existing te...