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- Antonio Lijoi, Ramsés H. Mena, Igor Prünster
- BMC Bioinformatics
- 2007

Expressed sequence tags (ESTs) analyses are a fundamental tool for gene identification in organisms. Given a preliminary EST sample from a certain library, several statistical prediction problems arise. In particular, it is of interest to estimate how many new genes can be detected in a future EST sample of given size and also to determine the gene… (More)

- Pierpaolo De Blasi, Stefano Favaro, Antonio Lijoi, Ramsés H. Mena, Igor Prünster, Matteo Ruggiero
- IEEE Transactions on Pattern Analysis and Machine…
- 2015

Discrete random probability measures and the exchangeable random partitions they induce are key tools for addressing a variety of estimation and prediction problems in Bayesian inference. Here we focus on the family of Gibbs–type priors, a recent elegant generalization of the Dirichlet and the Pitman–Yor process priors. These random… (More)

- Antonio Lijoi, Ramsés H. Mena, Igor Prünster
- Journal of Computational Biology
- 2008

Inference for Expressed Sequence Tags (ESTs) data is considered. We focus on evaluating the redundancy of a cDNA library and, more importantly, on comparing different libraries on the basis of their clustering structure. The numerical results we achieve allow us to assess the effect of an error correction procedure for EST data and to study the… (More)

- Ruth Fuentes-García, Ramsés H. Mena, Stephen G. Walker
- J. Classification
- 2010

In this paper we provide an explicit probability distribution for classification purposes when observations are viewed on the real line and classifications are to be based on numerical orderings. The classification model is derived from a Bayesian nonparametric mixture of Dirichlet process model; with some modifications. The resulting approach then more… (More)

- Gabriel Escarela, Ramsés H. Mena, Alberto Castillo-Morales
- Statistical methods in medical research
- 2006

This paper presents an extension of a general parametric class of transitional models of order p. In these models, the conditional distribution of the current observation, given the present and past history, is a mixture of conditional distributions, each of them corresponding to the current observation, given each one of the p-lagged observations. Such… (More)

- Ramsés H. Mena
- J. Classification
- 2014

- Emilia Caballero, François Le Gall, +6 authors Ramsés H. Mena
- 2006

- Luis Gutiérrez, Eduardo Gutiérrez-Peña, Ramsés H. Mena
- Computational Statistics & Data Analysis
- 2014

- Luis Gutiérrez, Ramsés H. Mena, Matteo Ruggiero
- Computational Statistics & Data Analysis
- 2016

Air quality monitoring is based on pollutants concentration levels, typically recorded in metropolitan areas. These exhibit spatial and temporal dependence as well as seasonality trends, and their analysis demands flexible and robust statistical models. Here we propose to model the measurements of particulate matter, composed by atmospheric carcinogenic… (More)

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