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Geometric sensitivity of random matrix results: consequences for shrinkage estimators of covariance and related statistical methods
random matrix related statistical shrinkage estimators
2011/6/16
Shrinkage estimators of covariance are an important tool in modern applied and theoretical statistics.
They play a key role in regularized estimation problems, such as ridge regression (aka Tykhonov
...
Statistical methods for cosmological parameter selection and estimation
Statistical methods cosmological parameter selection estimation
2010/3/19
The estimation of cosmological parameters from precision observables is an important indus-
try with crucial ramifications for particle physics. This article discusses the statistical methods
presen...