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1. On interactive sequencing situations with exponential cost functions: (Publication); This paper addresses interactive one-machine sequencing situations in which the costs of processing a job are given by an exponential function of its completion time. The main difference with the standard ...; Created on 24 September 2019
2. The role of the p-value in the multitesting problem: (Publication); Modern science frequently involves the analysis of large amount of quantitative information and the simultaneous testing of thousands or even hundreds of thousands null hypotheses. In this context, sometimes, ...; Created on 22 November 2019
3. On the optimism correction of the area under the receiver operating characteristic curve in logistic prediction models: (Publication); When the same data are used to fit a model and estimate its predictive performance, this estimate may be optimistic, and its correction is required. The aim of this work is to compare the behaviour of ...; Created on 25 September 2019
4. Erectile dysfunction in patients with arterial hypertension. Cardiovascular risk and impact on their quality of life: (Publication); Objectives: Estimate the frequency of erectile dysfunction in patients with essential hypertension and associated variables, degree of control, cardiovascular risk and the impact on quality of life. Material ...; Created on 24 September 2019
5. Discovery of an autoantibody signature for the early diagnosis of knee osteoarthritis: Data from the Osteoarthritis Initiative: (Publication); Objective: To find autoantibodies (AAbs) in serum that could be useful to predict incidence of radiographic knee osteoarthritis (KOA). Design: A Nucleic-acid Programmable Protein Arrays (NAPPA) platform ...; Created on 24 September 2019
6. Plug-in marginal estimation under a general regression model with missing responses and covariates: (Publication); In this paper, we consider a general regression model where missing data occur in the response and in the covariates. Our aim is to estimate the marginal distribution function and a marginal functional, ...; Created on 24 September 2019
7. A two-sample test for the equality of univariate marginal distributions for high-dimensional data: (Publication); ... the empirical characteristic functions computed from the two samples. The asymptotic normality of the test statistic is derived under mixing conditions. In our asymptotic analysis the number of variables ...; Created on 23 September 2019
8. Goodness-of-fit tests for quantile regression with missing responses: (Publication); Goodness–of–fit tests for quantile regression models, in the presence of missing observations in the response variable, are introduced and analyzed in this paper. The different proposals are based on the ...; Created on 19 September 2019
9. Estimation in the progressive illness-death model: a non-exhaustive review: (Publication); Multistate models can be successfully used for describing complex event history data, for example, describing stages in the disease progression of a patient. The so‐called “illness‐death” model plays a ...; Created on 23 August 2019
10. Plasma microRNA Profiling Reveals Novel Biomarkers of Epicardial Adipose Tissue: A Multidetector Computed Tomography Study: (Publication); Epicardial adipose tissue (EAT) constitutes a novel parameter for cardiometabolic risk assessment and a target for therapy. Here, we evaluated for the first time the plasma microRNA (miRNA) profile as ...; Created on 22 August 2019
11. Improving the biomarker diagnostic capacity via functional transformations: (Publication); The use of the area under the receiver-operating characteristic, ROC, curve (AUC) as an index of diagnostic accuracy is overwhelming in fields such as biomedical science and machine learning. It seems ...; Created on 22 August 2019
12. An instrumental variable procedure for estimating Cox models with non‐proportional hazards in the presence of unmeasured confounding: (Publication); Two‐stage instrumental variable methods are commonly used for estimating average causal effects in the presence of an unmeasured confounder. In the context of the proportional hazard Cox regression models, ...; Created on 22 August 2019
13. The Youden Index in the Generalized Receiver Operating Characteristic Curve Context: (Publication); The receiver operating characteristic (ROC) curve and their associated summary indices, such as the Youden index, are statistical tools commonly used to analyze the discrimination ability of a (bio)marker ...; Created on 22 August 2019
14. Algebra of generalized Hukuhara differentiable interval-valued functions: review and new properties: (Publication); This article deals with the algebra of gH-differentiable interval-valued functions. Specifically, we give conditions for the gH-differentiability of the sum and the gH-difference of two gH-differentiable ...; Created on 06 August 2019
15. A quantile regression model for bounded responses based on the exponential-geometric distribution: (Publication); The paper first introduces a new two-parameter continuous probability distribution with bounded support from the extended exponential-geometric distribution. Closed- form expressions are given for the ...; Created on 09 October 2018
16. A model specification test for the variance function in nonparametric regression: (Publication); ... characteristic functions of residuals constructed under the null hypothesis and under the alternative is proposed and studied theoretically. The null asymptotic distribution of the test statistic is ...; Created on 09 October 2018
17. A new class of tests for multinormality with i.i.d. and garch data based on the empirical moment generating function: (Publication); We generalize a recent class of tests for univariate normality that are based on the empirical moment generating function to the multivariate setting, thus obtaining a class of affine invariant, consistent ...; Created on 09 October 2018
18. Characterization of multinormality and corresponding tests of fit, including for GARCH models: (Publication); We provide novel characterizations of multivariate normality that incorporate both the characteristic function and the moment generating function, and we employ these results to construct a class of affine ...; Created on 09 October 2018
19. Approximating the null distribution of a class of statistics for testing independence: (Publication); A class of tests for testing independence whose test statistic is an -norm of the difference between the joint empirical characteristic function and the product of the marginal empirical characteristic ...; Created on 09 October 2018
20. A two-sample test for the error distribution in nonparametric regression based on the characteristic function ...: (Publication); A test for the equality of error distributions in two nonparametric regression models is proposed. The test statistic is based on comparing the empirical characteristic functions of the residuals calculated ...; Created on 09 October 2018
21. Estimation of the finite population distribution function using a global Estimation of the finite population distribution function using a global penalized calibration method: (Publication); Auxiliary information x is commonly used in survey sampling at the estimation stage. We propose an estimator of the finite population distribution function Fy(t) when x is available for all units in ...; Created on 09 October 2018
22. Bootstrap-based testing approaches for the assessment of the diagnostic accuracy of biomarkers subject to a limit of detection: (Publication); Assessment of the diagnostic accuracy of biomarkers through receiver operating characteristic curve analysis frequently involves a limit of detection imposed by the laboratory analytical system precision. ...; Created on 09 October 2018
23. Parametric estimates for the receiver operating characteristic curve generalization for non-monotone relationships: (Publication); Diagnostic procedures are based on establishing certain conditions and then checking if those conditions are satisfied by a given individual. When the diagnostic procedure is based on a continuous marker, ...; Created on 22 May 2018
24. Weighted estimation of conditional mean function with truncated, censored and dependent data: (Publication); By applying the empirical likelihood method, we construct a new weighted estimator of the conditional mean function for a left-truncated and right-censored model. Assuming that the observations form a ...; Created on 11 October 2018
25. On Interactive Sequencing Situations with Exponential Cost Functions: (Publication); This paper addresses interactive one-machine sequencing situations in which the costs of processinga job are given by an exponential function of its completion time. The main difference with thestandard ...; Created on 10 October 2018
26. Bayesian nonparametric inference for the covariate-adjusted ROC curve: (Publication); Accurate diagnosis of disease is of fundamental importance in clinical practice and medical research. Before a medical diagnostic test is routinely used in practice, its ability to distinguish between ...; Created on 10 October 2018
27. nsROC: An R package for non-standard ROC curve analysis: (Publication); The receiver operating characteristic (ROC) curve is a graphical method which has become standard in the analysis of diagnostic markers, that is, in the study of the classiﬁcation ability of a numerical ...; Created on 10 October 2018
28. A Diagnostic Test Approach for Multitesting Problems: (Publication); In the last decades, multiple-testing problems have received much attention. Many different methods have been proposed in order to deal with this relevant issue. Most of them are focused on controlling ...; Created on 10 October 2018
29. Erectile dysfunction in patients with arterial hypertension. Cardiovascular risk and impact on their quality of life: (Publication); OBJECTIVES: Estimate the frequency of erectile dysfunction in patients with essential hypertension and associated variables, degree of control, cardiovascular risk and the impact on quality of life. MATERIAL ...; Created on 08 October 2018
30. Efficient nonparametric confidence bands for receiver operating-characteristic curves: (Publication); Receiver operating-characteristic curve is a popular graphical method frequently used in order to study the diagnostic capacity of continuous (bio)markers. In spite of the existence of a huge number of ...; Created on 01 October 2018
31. Quantile regression and its empirical likelihood with missing response at random: (Publication); In this paper, we study the linear quantile regression model when response data are missing at random. Based on the inverse probability weight method, we establish an estimation equation on quantile regression ...; Created on 01 October 2018
32. A probability inequality for sums of independent Banach space valued random variables: (Publication); Let (B, parallel to center dot parallel to) be a real separable Banach space. Let phi(center dot) and psi(center dot) be two continuous and increasing functions defined on [0, infinity) such that phi(0) ...; Created on 01 October 2018
33. Estimation of monotone bivariate quantile residual life: (Publication); The bivariate quantile residual life function can play an important role in statistical reliability and survival analysis. In many situations assuming a decreasing form for it is recommended. Here, we ...; Created on 28 September 2018
34. Performance of BRCA1/2 mutation prediction models in male breast cancer patients: (Publication); To establish whether existing mutation prediction models can identify which male breast cancer (MBC) patients should be offered BRCA1 and BRCA2 diagnostic DNA screening, we compared the performance of ...; Created on 22 May 2018
35. Bootstrap-based procedures for inference in nonparametric receiver-operating characteristic curve regression analysis: (Publication); Prior to using a diagnostic test in a routine clinical setting, the rigorous evaluation of its diagnostic accuracy is essential. The receiver-operating characteristic curve is the measure of accuracy most ...; Created on 22 May 2018
36. Smooth time-dependent receiver operating characteristic curve estimators: (Publication); The receiver operating characteristic curve is a popular graphical method often used to study the diagnostic capacity of continuous (bio)markers. When the considered outcome is a time-dependent variable, ...; Created on 22 May 2018
37. On the estimation of the characteristic function in finite populations with applications ...: (Publication); This paper studies the estimation of the characteristic function of a finite population. Specifically, the weak convergence of the finite population empirical characteristic process is studied. Under suitable ...; Created on 14 May 2018
38. Computationally Efficient Goodness-of-Fit Tests for the Error Distribution in Nonparametric Regression: (Publication); ... the empirical characteristic function of the residuals and a parametric estimate of the characteristic function in the null hypothesis. It is proposed to approximate the null distribution through a weighted ...; Created on 14 May 2018
39. Nonparametric estimation of a distribution function from doubly truncated data under dependence: (Publication); The NPMLE of a distribution function from doubly truncated data was introduced in the seminal paper of Efron and Petrosian. The consistency of the Efron-Petrosian estimator depends however on the assumption ...; Created on 16 March 2018
40. Inverse Probability Weighted Cox Regression for Doubly Truncated Data: (Publication); Doubly truncated data arise when event times are observed only if they fall within subject-specific, possibly random, intervals. While non-parametric methods for survivor function estimation using doubly ...; Created on 20 February 2018
41. Quantile regression for partially linear varying-coefficient model with censoring indicators missing at random: (Publication); In this paper, we focus on the partially linear varying-coefficient quantile regression model when the data are right censored and the censoring indicator is missing at random. Based on the calibration ...; Created on 24 January 2018
42. Determining optimum wavelengths for leaf water content estimation from reflectance: A distance correlation approach: (Publication); This paper proposes a method to estimate leaf water content from reflectance in four commercial vineyard varieties by estimating the local maxima of a distance correlation function. First, it applies four ...; Created on 24 January 2018
43. A weighted bootstrap approximation for comparing the error distributions in nonparametric regression: (Publication); Several procedures have been proposed for testing the equality of error distributions in two or more nonparametric regression models. Here we deal with methods based on comparing estimators of the cumulative ...; Created on 09 October 2018
44. Quality of life and anxiety in women with breast cancer before and after treatment.: (Publication); Objectives: to determine the quality of life and anxiety in patients with breast cancer and the changes they experience after treatments. Method: prospective study. Breast cancer statistics (n=339, confidence=95%, ...; Created on 08 October 2018
45. A new approach to categorising continuous variables in prediction models: Proposal and validation: (Publication); When developing prediction models for application in clinical practice, health practitioners usually categorise clinical variables that are continuous in nature. Although categorisation is not regarded ...; Created on 22 May 2018
46. Hypothesis test on response mean with inequality constraints under data missing when covariables are present: (Publication); This paper addresses the problem of hypothesis test on response mean with various inequality constraints in the presence of covariates when response data are missing at random. The various hypotheses include ...; Created on 22 May 2018
47. Power Indices and Minimal Winning Coalitions for Simple Games in Partition Function Form: (Publication); We propose a generalization of simple games to partition function form games based on a monotonicity property that we define in this context. This property allows us to properly speak about minimal winning ...; Created on 14 May 2018
48. Some structural properties of a lattice of embedded coalitions: (Publication); n this paper we investigate some structural properties of the order on the set of embedded coalitions outlined in the paper de Clippel G. and R. Serrano (2008) Marginal Contributions and Externalities ...; Created on 14 May 2018
49. Copula-graphic estimation with left-truncated and right-censored data: (Publication); In Survival Analysis and related fields of research right-censored and left-truncated data often appear. Usually, it is assumed that the right-censoring variable is independent of the lifetime of ultimate ...; Created on 23 January 2018
50. Empirical characteristic function tests for GARCH innovation distribution using multipliers ...: (Publication); Goodness-of-fit tests for the innovation distribution in GARCH models based on measuring deviations between the empirical characteristic function of the residuals and the characteristic function under ...; Created on 23 January 2018