2021
DOI: 10.32614/rj-2021-027
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npcure: An R Package for Nonparametric Inference in Mixture Cure Models

Abstract: Mixture cure models have been widely used to analyze survival data with a cure fraction. They assume that a subgroup of the individuals under study will never experience the event (cured subjects). So, the goal is twofold: to study both the cure probability and the failure time of the uncured individuals through a proper survival function (latency). The R package npcure implements a completely nonparametric approach for estimating these functions in mixture cure models, considering right-censored survival time… Show more

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Cited by 12 publications
(5 citation statements)
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“…And, R package “npcure” in López‐Cheda et al. (2021) can be applied to compute the suitable bandwidth, where the cross‐validation bandwidth is returned by “berancv()” for the Beran estimator and the bootstrap bandwidth can be computed by the function “probcurehboot()” for the cure rate estimator. In addition, the simulation results in Section 4 show that the performance of the proposed estimators is not sensitive to the choice of bandwidth.…”
Section: Theoretical Propertiesmentioning
confidence: 99%
“…And, R package “npcure” in López‐Cheda et al. (2021) can be applied to compute the suitable bandwidth, where the cross‐validation bandwidth is returned by “berancv()” for the Beran estimator and the bootstrap bandwidth can be computed by the function “probcurehboot()” for the cure rate estimator. In addition, the simulation results in Section 4 show that the performance of the proposed estimators is not sensitive to the choice of bandwidth.…”
Section: Theoretical Propertiesmentioning
confidence: 99%
“…Generalized gamma distributions with a cured component as discussed in Jackson (2016) and Amdahl (2020) fit the data quite well (Figure 3) and can be used for further analysis. For an alternative nonparametric fitting, see López‐Cheda, Amalia & de Ullibarri (2021). See Conde‐Amboage, Van Keilegom & González‐Manteiga (2021) and their references for goodness‐of‐fit tests for parametric models with censored data.…”
Section: Data Examplementioning
confidence: 99%
“…A bootstrap bandwidth selection method for the cure rate and for the latency estimators has been proposed in [29,54], respectively. It is important to highlight that, due to the curse of dimensionality, the completely nonparametric models in the literature which are implemented in R can only handle a univariate continuous covariate [55,56]. Therefore, testing the effect of a covariate is a relevant aspect in regression analysis since the number of potential covariates to be included in the model can be extremely large.…”
Section: Nonparametric MCMmentioning
confidence: 99%