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1. Assessment of assumptions of statistical analysis methods in randomised clinical trials: the what and how: (Publication); When analysing and presenting results ofrandomised clinical trials, trialists rarely report if or how underlying statisticalassumptions were validated. To avoid data-driven biased trial results, it should ...; Created on 29 January 2020
2. 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
3. Multiscale supervised classification of point clouds with urban and forest applications: (Publication); We analyze the utility of multiscale supervised classification algorithms for object detection and extraction from laser scanning or photogrammetric point clouds. Only the geometric information (the point ...; Created on 22 November 2019
4. Traditional Processed Meat Products Re-designed Towards Inulin-rich Functional Foods Reduce Polyps in Two Colorectal Cancer Animal Models: (Publication); Inulin-rich foods exert a prebiotic effect, as this polysaccharide is able to enhance beneficial colon microbiota populations, giving rise to the in situ production of short-chain fatty acids (SCFAs) such ...; Created on 22 November 2019
5. Methylation Assessment for the Prediction of Malignancy in Mediastinal Adenopathies Obtained by Endobronchial Ultrasound-Guided Transbronchial Needle Aspiration in Patients with Lung Cancer: (Publication); The evaluation of mediastinal lymph nodes is critical for the correct staging of patients with lung cancer (LC). Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) is a minimally ...; Created on 26 September 2019
6. On the estimation of variance parameters in non-standard generalised linear mixed models: application to penalised smoothing: (Publication); We present a novel method for the estimation of variance parameters in generalised linear mixed models. The method has its roots in Harville (J Am Stat Assoc 72(358):320–338, 1977)’s work, but it is able ...; Created on 25 September 2019
7. On horizontal cooperation in linear production processes with a supplier that controls a limited resource: (Publication); In this paper we consider a two-echelon supply chain with one supplier that controls a limited resource and a finite set of manufacturers who need to purchase this resource. We analyze the effect of the ...; Created on 25 September 2019
8. Gestational Weight Gain and Offspring Bone Mass: Different Associations in Healthy Weight Versus Overweight Women: (Publication); Weight management strategies during pregnancy reduce child cardiometabolic risk. However, because maternal weight has an overall positive correlation with offspring bone mass, pregnancy weight management ...; Created on 25 September 2019
9. Adjusting for bias introduced by instrumental variable estimation in the Cox proportional hazards model: (Publication); Instrumental variable (IV) methods are widely used for estimating average treatment effects in the presence of unmeasured confounders. However, the capability of existing IV procedures, and most notably ...; Created on 25 September 2019
10. Asymptotic normality of conditional density estimation under truncated, censored and dependent data: (Publication); In this paper, we focus on the left-truncated and right-censored model, and construct the local linear and Nadaraya-Watson type estimators of the conditional density. Under suitable conditions, we establish ...; Created on 25 September 2019
11. Complete null agent for games with externalities: (Publication); Game theory provides valuable tools to examine expert multi-agent systems. In a cooperative game, collaboration among agents leads to better outcomes. The most important solution for such games is the ...; Created on 25 September 2019
12. 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
13. 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
14. 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
15. 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
16. A note on Generalized Convexity for Fuzzy Mappings Through a Linear Ordering: (Publication); Created on 08 March 2019
17. 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
18. Game-Related Statistics in the Spanish Water Polo League: Differences between Seasons: (Publication); The aim of this study was to identify the differences between seasons in men´s water polo regular competition by analysing the changes of game-related statistics. The sample comprised 88 games from the ...; Created on 11 October 2018
19. 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
20. Sustainable allocation of greenhouse gas emission permits for firms with Leontief technologies: (Publication); In this paper we deal with production situations where a cap or limit to the amount of greenhouse gas emissions permitted is imposed. Fixing a tax for each ton of pollutant emitted is also considered. ...; Created on 10 October 2018
21. Inventorymodel: an R Package for Centralized Inventory Problems: (Publication); Inventory management of goods is an integral part of logistics systems; common to various economic sectors such as industry, agriculture and trade; and independent of production volume. In general, as ...; Created on 03 October 2018
22. On the estimation of variance parameters in non-standard generalised linear mixed models: application to penalised smoothing: (Publication); We present a novel method for the estimation of variance parameters in generalised linear mixed models. The method has its roots in Harville (J Am Stat Assoc 72(358):320–338, 1977)’s work, but it is able ...; Created on 02 October 2018
23. Penalized profile least squares-based statistical inference for varying coefficient partially linear errors-in-variables models: (Publication); The purpose of this paper is two fold. First, we investigate estimation for varying coefficient partially linear models in which covariates in the nonparametric part are measured with errors. As there ...; Created on 01 October 2018
24. 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
25. Penalized empirical likelihood for quantile regression with missing covariates and auxiliary information: (Publication); Based on the inverse probability weight method, we, in this article, construct the empirical likelihood (EL) and penalized empirical likelihood (PEL) ratios of the parameter in the linear quantile regression ...; Created on 01 October 2018
26. 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
27. Levels of anti-CMV antibodies are modulated by the frequency and intensity of virus reactivations in kidney transplant patients: (Publication); Anti-CMV (cytomegalovirus) antibody titers are related to immune alterations and increased risk of mortality. To test whether they represent a marker of infection history, we analyzed the effect of viral ...; Created on 22 May 2018
28. 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
29. 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
30. On coalition formation in a non-convex multi-agent inventory problem: (Publication); A multi-agent inventory problem is a situation in which several agents face individual inventory problems and can coordinate their orders to reduce costs. This paper analyses a multi-agent inventory problem ...; Created on 18 September 2017
31. Adjusting for bias introduced by instrumental variable estimation in the Cox proportional hazards model: (Publication); Instrumental variable (IV) methods are widely used for estimating average treatment effects in the presence of unmeasured confounders. However, the capability of existing IV procedures, and most notably ...; Created on 10 October 2018
32. Plasma mitochondrial DNA levels are inversely associated with HIV-RNA levels and directly with CD4 counts: potential role as a biomarker of HIV replication: (Publication); Objectives: To evaluate plasma mitochondrial DNA (mtDNA) levels among HIV-infected patients and its potential role as a biomarker of residual viral replication. Methods: HIV-infected patients on follow-up ...; Created on 08 October 2018
33. Jackknife empirical likelihood of error variance in partially linear varying-coefficient errors-in-variables models: (Publication); For the partially linear varying-coefficient model when the parametric covariates are measured with additive errors, the estimator of the error variance is defined based on residuals of the model. At the ...; Created on 22 May 2018
34. Wavelet estimation of density for censored data with censoring indicator missing at random: (Publication); In this paper, we define the nonlinear wavelet estimator of density for the right censoring model with the censoring indicator missing at random (MAR), and develop its asymptotic expression for mean integrated ...; Created on 22 May 2018
35. Comparing some production functions for inpatient health services in selected public hospitals in Spain: (Publication); To investigate the adequacy of the widely used Cobb-Douglas and transcendental logarithmic (translog) models of the production functions of hospital inpatient services, the authors fitted these and additive ...; Created on 18 September 2017
36. Equilibria in a competitive model arising from <span class="highlight">linear production situations</span> with a common-pool resource ...: (Publication); In this paper we deal with linear production situations in which there is a limited common-pool resource, managed by an external agent. The profit that a producer can attain depends on the amount of common-pool ...; Created on 18 September 2017
37. Cisplatin resistance in cell models: evaluation of metallomic and biological predictive biomarkers to address early therapy failure: (Publication); Cisplatin, one of the most extensively used metallodrugs in cancer treatment, presents the important drawback of patient resistance. This resistance is the consequence of different processes including ...; Created on 18 September 2017
38. Receiver operating characteristic curve generalization for non-monotone relationships: (Publication); The receiver operating characteristic curve is a popular graphical method frequently used in order to study the diagnostic capacity of continuous markers. It represents in a plot true-positive rates against ...; Created on 18 September 2017
39. Convergence rate of wavelet density estimator with data missing randomly when covariables are present: (Publication); In this article, we study global L2 error of non linear wavelet estimator of density in the Besov space Bspq for missing data model when covariables are present and prove that the estimator can achieve ...; Created on 18 September 2017
40. Effects of situational variables on offensive performance indicators in elite water polo: (Publication); The aim of this study was to assess the effect of quality of opposition, starting quarter score and match location on offensive performance indicators in the First Spanish Professional Water Polo League. ...; Created on 18 September 2017
41. Flat foot in a random population and its impact on quality of life and functionality: (Publication); Introduction: Flat foot is a common deformity in adults. It is characterized by medial rotation and plantar flexion of the talus, eversion of the calcaneus, collapsed medial arch and abduction of the forefoot. Aim: ...; Created on 18 September 2017
42. New asymptotic inferences about the difference, ratio, and linear combination of two independent proportions: (Publication); In statistics it is customary to realize asymptotic inferences about the difference d, the ratio R or a linear combination L of two independent proportions. In this article the authors evaluate ten inference ...; Created on 18 September 2017
43. Weak Convergence to Stochastic Integrals for Econometric Applications: (Publication); Limit theory involving stochastic integrals is now widespread in time series econometrics and relies on a few key results on functional weak convergence. In establishing such convergence, the literature ...; Created on 22 May 2018
44. Keys to Success in High Level Water Polo Teams: (Publication); The aim of this study was to identify specific offensive performance indicators that distinguish the top clubs from the others in the Male Honour Division of the Spanish Water Polo League. A total of 88 ...; Created on 18 September 2017
45. Performance Assessment in Water Polo Using Compositional Data Analysis: (Publication); The aim of the present study was to identify groups of offensive performance indicators which best discriminated between a match score (favourable, balanced or unfavourable) in water polo. The sample comprised ...; Created on 18 September 2017
46. FWDselect: An R Package for Variable Selection in Regression Models: (Publication); In multiple regression models, when there are a large number (p) of explanatory variables which may or may not be relevant for predicting the response, it is useful to be able to reduce the model. To this ...; Created on 08 September 2017
47. Penalized empirical likelihood for high-dimensional partially linear varying coefficient model with measurement errors: (Publication); For the high-dimensional partially linear varying coefficient models where covariates in the nonparametric part are measured with additive errors, we, in this paper, study asymptotic distributions of a ...; Created on 08 September 2017
48. Berry–Esseen type bounds in heteroscedastic errors-in-variables model: (Publication); Consider the heteroscedastic partially linear errors-in-variables (EV) model yi = xiβ + g(ti) + εi, ξi = xi + μi (1 ⩽ i ⩽ n), where εi = σiei are random errors with mean zero, σ2i = f(ui), (xi, ti, ui) ...; Created on 04 November 2016
49. Asymptotic normality of conditional density estimation with left-truncated and dependent data: (Publication); Based on the idea of the local polynomial smoother, we construct the Nadaraya–Watson type and local linear estimators of conditional density function for a left-truncation model. Asymptotic normality of ...; Created on 04 November 2016
50. Model checks for nonparametric regression with missing data: a comparative study: (Publication); This paper analyses the behaviour of the goodness-of-fit tests for regression models. To this end, it uses statistics based on an estimation of the integrated regression function with missing observations ...; Created on 04 November 2016