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Showing 1 to 12 of 168 entries
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Asymptotics of nonparametric L-1 regression models with dependent data.

Bernoulli : official journal of the Bernoulli Society for Mathematical Statistics and Probability

Zhao Z, Wei Y, Lin DK.
PMID: 24955016
Bernoulli (Andover). 2014 Aug 01;20(3):1532-1559. doi: 10.3150/13-BEJ532.

We investigate asymptotic properties of least-absolute-deviation or median quantile estimates of the location and scale functions in nonparametric regression models with dependent data from multiple subjects. Under a general dependence structure that allows for longitudinal data and some spatially...

"It felt good but weird at the same time": Emerging adults' first experiences of six different sexual behaviors.

Journal of adolescent research

Vasilenko SA, Maas MK, Lefkowitz ES.
PMID: 26366039
J Adolesc Res. 2015 Sep 01;30(5):586-606. doi: 10.1177/0743558414561298.

Although sexual behavior is multidimensional, little research has focused on the experience of non-intercourse behaviors for adolescents and emerging adults. This paper uses open-ended coded data from a longitudinal study of college students (

Partial linear varying multi-index coefficient model for integrative gene-environment interactions.

Statistica Sinica

Liu X, Cui Y, Li R.
PMID: 27667907
Stat Sin. 2016 Jul;26:1037-1060. doi: 10.5705/ss.202015.0114.

Gene-environment (G×E) interactions play key roles in many complex diseases. An increasing number of epidemiological studies have shown the combined effect of multiple environmental exposures on disease risk. However, no appropriate statistical models have been developed to conduct a...

Quasi-Experimental Study of Functional Family Therapy Effectiveness for Juvenile Justice Aftercare in a Racially and Ethnically Diverse Community Sample.

Children and youth services review

Darnell AJ, Schuler MS.
PMID: 25767310
Child Youth Serv Rev. 2015 Mar;50:75-82. doi: 10.1016/j.childyouth.2015.01.013.

Functional Family Therapy (FFT) is an intensive community-based treatment program designed to reduce youth behavior problems such as violence, drug use, and other delinquency. Although there is evidence of FFT efficacy and effectiveness with predominantly White samples, there is...

Personality Profiles and Frequent Heavy Drinking in Young Adulthood.

Personality and individual differences

Zhang J, Bray BC, Zhang M, Lanza ST.
PMID: 25892836
Pers Individ Dif. 2015 Jul 01;80:18-21. doi: 10.1016/j.paid.2015.01.054.

Few studies examining the link between personality and alcohol use have adopted a comprehensive modeling framework to take into account individuals' profiles across multiple personality traits. In this study, latent profile analysis (LPA) was applied to a national sample...

Modeling Expression Plasticity of Genes that Differentiate Drug-sensitive from Drug-resistant Cells to Chemotherapeutic Treatment.

Current genomics

Wang N, Wang Y, Han H, Huber KJ, Yang JM, Li R, Wu R.
PMID: 25435798
Curr Genomics. 2014 Oct;15(5):349-56. doi: 10.2174/138920291505141106102854.

By measuring gene expression at an unprecedented resolution and throughput, RNA-seq has played a pivotal role in studying biological functions. Its typical application in clinical medicine is to identify the discrepancies of gene expression between two different types of...

Inference for local autocorrelations in locally stationary models.

Journal of business & economic statistics : a publication of the American Statistical Association

Zhao Z.
PMID: 26097285
J Bus Econ Stat. 2015 Apr 01;33(2):296-306. doi: 10.1080/07350015.2014.948177.

For non-stationary processes, the time-varying correlation structure provides useful insights into the underlying model dynamics. We study estimation and inferences for local autocorrelation process in locally stationary time series. Our constructed simultaneous confidence band can be used to address...

Changes in Religiosity After First Intercourse in the Transition to Adulthood.

Psychology of religion and spirituality

Vasilenko SA, Lefkowitz ES.
PMID: 25580182
Psycholog Relig Spiritual. 2014 Nov;6(4):310-315. doi: 10.1037/a0037472.

Religiosity delays initiation of sexual behavior, but the association may be bidirectional, and individuals may become less religious after first intercourse. This study uses longitudinal data from college students to examine whether two aspects of religiosity change before and...

Long-term consequences of early sexual initiation on young adult health: A causal inference approach.

The Journal of early adolescence

Kugler KC, Vasilenko SA, Butera NM, Coffman DL.
PMID: 28529400
J Early Adolesc. 2017 May;37(5):662-676. doi: 10.1177/0272431615620666. Epub 2015 Dec 09.

Although early sexual initiation has been linked to negative outcomes, it is unknown whether these effects are causal. In this study, we use propensity score methods to estimate the causal effect of early sexual initiation on young adult sexual...

Feature Screening in Ultrahigh Dimensional Cox's Model.

Statistica Sinica

Yang G, Yu Y, Li R, Buu A.
PMID: 27418749
Stat Sin. 2016;26:881-901. doi: 10.5705/ss.2014.171.

Survival data with ultrahigh dimensional covariates such as genetic markers have been collected in medical studies and other fields. In this work, we propose a feature screening procedure for the Cox model with ultrahigh dimensional covariates. The proposed procedure...

ADDRESSING CONFOUNDING WHEN ESTIMATING THE EFFECTS OF LATENT CLASSES ON A DISTAL OUTCOME.

Health services & outcomes research methodology

Schuler MS, Leoutsakos JS, Stuart EA.
PMID: 25530706
Health Serv Outcomes Res Methodol. 2014 Dec;14(4):232-254. doi: 10.1007/s10742-014-0122-0.

Confounding is widely recognized in settings where all variables are fully observed, yet recognition of and statistical methods to address confounding in the context of latent class regression are slowly emerging. In this study we focus on confounding when...

Variable selection for multivariate failure time data.

Biometrika

Cai J, Fan J, Li R, Zhou H.
PMID: 19458784
Biometrika. 2005;92(2):303-316. doi: 10.1093/biomet/92.2.303.

In this paper, we proposed a penalised pseudo-partial likelihood method for variable selection with multivariate failure time data with a growing number of regression coefficients. Under certain regularity conditions, we show the consistency and asymptotic normality of the penalised...

Showing 1 to 12 of 168 entries