72 citations · 290 across the 17 of their papers we have counts for
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math.ST2008
Testing for a constant coefficient of variation in nonparametric regression
H. Dette, G. Wieczorek
In this paper we propose a new test for the hypothesis of a constant coefficient of variation in the common nonparametric regression model. The test is based on an estimate of the…
math.ST2008
A martingale-transform goodness-of-fit test for the form of the conditional variance
H. Dette, B. Hetzler
In the common nonparametric regression model the problem of testing for a specific parametric form of the variance function is considered. Recently Dette and Hetzler (2008) propose…