Results 251 to 260 of about 773,014 (287)

Partial identification with categorical data and nonignorable missing outcomes

open access: yesCanadian Journal of Statistics, EarlyView.
Abstract Nonignorable missing outcomes are common in real‐world datasets and often require strong parametric assumptions to achieve identification. These assumptions can be implausible or untestable, and so we may wish to forgo them in favour of partially identified models that narrow the set of a priori possible values to an identification region.
Daniel Daly‐Grafstein, Paul Gustafson
wiley   +1 more source

A Markov approach to credit rating migration conditional on economic states

open access: yesCanadian Journal of Statistics, EarlyView.
Abstract We develop a model for credit rating migration that accounts for the impact of economic state fluctuations on default probabilities. The joint process for the economic state and the rating is modelled as a time‐homogeneous Markov chain. While the rating process itself possesses the Markov property only under restrictive conditions, methods ...
Michael Kalkbrener, Natalie Packham
wiley   +1 more source

An analytical pipeline for dose-response effect: laboratory tests assessment and early pregnancy preeclampsia risk. [PDF]

open access: yesBMC Pregnancy Childbirth
Ma Y   +8 more
europepmc   +1 more source

On the correlation gap of matroids. [PDF]

open access: yesMath Program
Husić E, Koh ZK, Loho G, Végh LA.
europepmc   +1 more source
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Iterative Monotonicity is equivalent to strict group monotonicity**: A direct proof

SSRN Electronic Journal, 2021
We provide a direct proof of the following result: Iterative Monotonicity is equivalent to strict group monotonicity**, provided that there are three or more players.
Ritesh Jain, M. Lombardi, Ville Korpela
semanticscholar   +2 more sources

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