Deviation probability bound for martingales with applications to statistical estimation
β Scribed by R. Liptser; V. Spokoiny
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- English
- Weight
- 132 KB
- Volume
- 46
- Category
- Article
- ISSN
- 0167-7152
No coin nor oath required. For personal study only.
β¦ Synopsis
Let Mt be a vector martingale and M t denote its predictable quadratic variation. In this paper we present a bound for the probability that z * M -1 t Mt ΒΏ z * M -1 t z with a ΓΏxed vector z and discuss some of its applications to statistical estimation in autoregressive and linear di usion models. Our approach is non-asymptotic and does not require any ergodic assumption on the underlying model.
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