A Nonparametric Approach to Measuring and Testing Curvature
- 1 January 2005
- journal article
- Published by Taylor & Francis in Journal of Business & Economic Statistics
- Vol. 23 (1) , 1-19
- https://doi.org/10.1198/073500104000000316
Abstract
This article considers the problem of testing curvature (e.g., linearity, concavity, convexity) in a multivariate nonparametric regression model. A measure of curvature, called the simplex statisti...Keywords
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