{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,16]],"date-time":"2026-03-16T15:46:12Z","timestamp":1773675972141,"version":"3.50.1"},"reference-count":47,"publisher":"World Scientific Pub Co Pte Ltd","issue":"04","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int. J. Wavelets Multiresolut Inf. Process."],"published-print":{"date-parts":[[2004,12]]},"abstract":"<jats:p>We consider the testing problem in a fixed-effects functional analysis of variance model. We test the null hypotheses that the functional main effects and the functional interactions are zeros against the composite nonparametric alternative hypotheses that they are separated away from zero in L<jats:sup>2<\/jats:sup>-norm and also possess some smoothness properties. We adapt the optimal (minimax) hypothesis testing procedures for testing a zero signal in a Gaussian \"signal plus noise\" model to derive optimal (minimax) non-adaptive and adaptive hypothesis testing procedures for the functional main effects and the functional interactions. The corresponding tests are based on the empirical wavelet coefficients of the data. Wavelet decompositions allow one to characterize different types of smoothness conditions assumed on the response function by means of its wavelet coefficients for a wide range of function classes. In order to shed some light on the theoretical results obtained, we carry out a simulation study to examine the finite sample performance of the proposed functional hypothesis testing procedures. As an illustration, we also apply these tests to a real-life data example arising from physiology. Concluding remarks and hints for possible extensions of the proposed methodology are also given.<\/jats:p>","DOI":"10.1142\/s0219691304000639","type":"journal-article","created":{"date-parts":[[2004,12,1]],"date-time":"2004-12-01T10:59:25Z","timestamp":1101898765000},"page":"323-349","source":"Crossref","is-referenced-by-count":25,"title":["OPTIMAL TESTING IN A FIXED-EFFECTS FUNCTIONAL ANALYSIS OF VARIANCE MODEL"],"prefix":"10.1142","volume":"02","author":[{"given":"FELIX","family":"ABRAMOVICH","sequence":"first","affiliation":[{"name":"Department of Statistics and Operations Research, Tel Aviv University, Tel Aviv 69978, Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"ANESTIS","family":"ANTONIADIS","sequence":"additional","affiliation":[{"name":"Laboratoire IMAG-LMC, University Joseph Fourier, BP 53, 38041 Grenoble Cedex 9, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"THEOFANIS","family":"SAPATINAS","sequence":"additional","affiliation":[{"name":"Department of Mathematics and Statistics, University of Cyprus, P.O. 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