The amount of noise The Row’s annual sample sale generated last weekend was perhaps antithetical to the brand’s ultimate quiet luxury status. But what else could be expected? The brand’s legions of ...
Structural equation modeling (SEM) is a widely used statistical method in social science. However, many published articles employing SEM appear to contradict its underlying principles and assumptions, ...
Abstract: This work considers the asymptotic behavior of the distance between two sample covariance matrices (SCM). A general result is provided for a class of functionals that can be expressed as ...
NASA announced Friday that it will award contracts to seven companies, including SpaceX and Blue Origin, to study how to transport rock samples from Mars more cheaply back to Earth. The space agency ...
Stool samples can help doctors diagnose some health conditions. Tips for collecting a stool sample include urinating before collecting the sample and using any tools that the sample kit provides.
<link href="libs/gitbook-2.6.7/css/plugin-table.css" rel="stylesheet" /> <link href="libs/gitbook-2.6.7/css/plugin-bookdown.css" rel="stylesheet" /> <link href="libs ...
Samples are an essential currency found when exploring planets on different difficulty levels. Each sample type -- common, rare, and super -- is used to purchase unique upgrades for your Ship Modules ...
This paper proposes a novel shrinkage estimator for high-dimensional covariance matrices by extending the Oracle Approximating Shrinkage (OAS) of Chen et al. (2009) to target the diagonal elements of ...
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