Search Results - "Reiss, Markus"
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NONASYMPTOTIC UPPER BOUNDS FOR THE RECONSTRUCTION ERROR OF PCA
Published in The Annals of statistics (01-04-2020)“…We analyse the reconstruction error of principal component analysis (PCA) and prove nonasymptotic upper bounds for the corresponding excess risk. These bounds…”
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Nonparametric estimation for linear SPDEs from local measurements
Published in The Annals of applied probability (01-02-2021)“…The coefficient function of the leading differential operator is estimated from observations of a linear stochastic partial differential equation (SPDE). The…”
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Asymptotic Equivalence for Nonparametric Regression with Multivariate and Random Design
Published in The Annals of statistics (01-08-2008)“…We show that nonparametric regression is asymptotically equivalent, in Le Cam's sense, to a sequence of Gaussian white noise experiments as the number of…”
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NONPARAMETRIC BAYESIAN ANALYSIS OF THE COMPOUND POISSON PRIOR FOR SUPPORT BOUNDARY RECOVERY
Published in The Annals of statistics (01-06-2020)“…Given data from a Poisson point process with intensity (x, y) ↦ n₁ (f(x) ≤ y), frequentist properties for the Bayesian reconstruction of the support boundary…”
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ASYMPTOTIC EQUIVALENCE FOR INFERENCE ON THE VOLATILITY FROM NOISY OBSERVATIONS
Published in The Annals of statistics (01-04-2011)“…We consider discrete-time observations of a continuous martingale under measurement error. This serves as a fundamental model for high-frequency data in…”
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ESTIMATING THE QUADRATIC COVARIATION MATRIX FROM NOISY OBSERVATIONS: LOCAL METHOD OF MOMENTS AND EFFICIENCY
Published in The Annals of statistics (01-08-2014)“…An efficient estimator is constructed for the quadratic covariation or integrated co-volatility matrix of a multivariate continuous martingale based on noisy…”
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ON RATE OPTIMALITY FOR ILL-POSED INVERSE PROBLEMS IN ECONOMETRICS
Published in Econometric theory (01-06-2011)“…In this paper we clarify the relations between the existing sets of regularity conditions for convergence rates of nonparametric indirect regression (NPIR) and…”
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Estimating the Spot Covariation of Asset Prices-Statistical Theory and Empirical Evidence
Published in Journal of business & economic statistics (03-07-2019)“…We propose a new estimator for the spot covariance matrix of a multi-dimensional continuous semimartingale log asset price process, which is subject to noise…”
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Testing the characteristics of a Lévy process
Published in Stochastic processes and their applications (01-07-2013)“…For n equidistant observations of a Lévy process at time distance Δn we consider the problem of testing hypotheses on the volatility, the jump measure and its…”
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Wasserstein and total variation distance between marginals of Lévy processes
Published in Electronic journal of statistics (01-01-2018)Get full text
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A REMARK ON THE RATES OF CONVERGENCE FOR INTEGRATED VOLATILITY ESTIMATION IN THE PRESENCE OF JUMPS
Published in The Annals of statistics (01-06-2014)“…The optimal rate of convergence of estimators of the integrated volatility, for a discontinuous Itô semimartingale sampled at regularly spaced times and over a…”
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Efficient estimation of functionals in nonparametric boundary models
Published in Bernoulli : official journal of the Bernoulli Society for Mathematical Statistics and Probability (01-05-2017)“…For nonparametric regression with one-sided errors and a boundary curve model for Poisson point processes, we consider the problem of efficient estimation for…”
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Unbiased estimation of the volume of a convex body
Published in Stochastic processes and their applications (01-12-2016)“…Based on observations of points uniformly distributed over a convex set in Rd, a new estimator for the volume of the convex set is proposed. The estimator is…”
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Exact and asymptotic tests on a factor model in low and large dimensions with applications
Published in Journal of multivariate analysis (01-09-2016)“…In the paper, we suggest three tests on the validity of a factor model which can be applied for both, small-dimensional and large-dimensional data. The exact…”
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ADAPTIVE FUNCTION ESTIMATION IN NONPARAMETRIC REGRESSION WITH ONE-SIDED ERRORS
Published in The Annals of statistics (01-10-2014)“…We consider the model of nonregular nonparametric regression where smoothness constraints are imposed on the regression function f and the regression errors…”
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A Donsker theorem for Lévy measures
Published in Journal of functional analysis (15-11-2012)“…Given n equidistant realisations of a Lévy process (Lt,t≥0), a natural estimator Nˆn for the distribution function N of the Lévy measure is constructed. Under…”
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Adaptive quantile estimation in deconvolution with unknown error distribution
Published in Bernoulli : official journal of the Bernoulli Society for Mathematical Statistics and Probability (01-02-2016)“…Quantile estimation in deconvolution problems is studied comprehensively. In particular, the more realistic setup of unknown error distributions is covered…”
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Spectral Estimation of Covolatility from Noisy Observations Using Local Weights
Published in Scandinavian journal of statistics (01-03-2014)“…We propose localized spectral estimators for the quadratic covariation and the spot covolatility of diffusion processes, which are observed discretely with…”
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Nonparametric estimation for Lévy processes from low-frequency observations
Published in Bernoulli : official journal of the Bernoulli Society for Mathematical Statistics and Probability (01-02-2009)“…We suppose that a Lévy process is observed at discrete time points. A rather general construction of minimum-distance estimators is shown to give consistent…”
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Early stopping for statistical inverse problems via truncated SVD estimation
Published in Electronic journal of statistics (01-01-2018)“…We consider truncated SVD (or spectral cutoff , projection) es-timators for a prototypical statistical inverse problem in dimension D. Since calculating the…”
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