Search Results - "van der Laan, MJ"

Defining and estimating effects in cluster randomized trials: A methods comparison by Benitez, Alejandra, Petersen, Maya L., der Laan, Mark J., Santos, Nicole, Butrick, Elizabeth, Walker, Dilys, Ghosh, Rakesh, Otieno, Phelgona, Waiswa, Peter, Balzer, Laura B.

“…Across research disciplines, cluster randomized trials (CRTs) are commonly implemented to evaluate interventions delivered to groups of participants, such as…”
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Data-adaptive test statistics for microarray data by Mukherjee, Sach, Roberts, Stephen J., van der Laan, Mark J.

“…Motivation: An important task in microarray data analysis is the selection of genes that are differentially expressed between different tissue samples, such as…”
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Estimation of Direct Causal Effects by Petersen, Maya L., Sinisi, Sandra E., van der Laan, Mark J.

“…Many common problems in epidemiologic and clinical research involve estimating the effect of an exposure on an outcome while blocking the exposure's effect on…”
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Pillbox Organizers are Associated with Improved Adherence to HIV Antiretroviral Therapy and Viral Suppression: a Marginal Structural Model Analysis by Petersen, Maya L., Wang, Yue, van der Laan, Mark J., Guzman, David, Riley, Elise, Bangsberg, David R.

“…Background. Pillbox organizers are inexpensive and easily used; however, their effect on adherence to antiretroviral medications is unknown. Methods. Data were…”
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Long-term consequences of the delay between virologic failure of highly active antiretroviral therapy and regimen modification by PETERSEN, Maya L, VAN DER LAAN, Mark J, NAPRAVNIK, Sonia, ERON, Joseph J, MOORE, Richard D, DEEKS, Steven G

“…Current treatment guidelines recommend immediate modification of antiretroviral therapy in HIV-infected individuals with incomplete viral suppression. These…”
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Marginal Mean Models for Dynamic Regimes by Murphy, S A, van der Laan, M J, Robins, J M

“…A dynamic treatment regime is a list of rules for how the level of treatment will be tailored through time to an individual's changing severity. In general,…”
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Colon cancer prognosis prediction by gene expression profiling by BARRIER, Alain, LEMOINE, Antoinette, VAN DER LAAN, Mark J, SPEED, Terry, DEBUIRE, Brigitte, FLAHAULT, Antoine, DUDOIT, Sandrine, BOELLE, Pierre-Yves, TSE, Chantal, BRAULT, Didier, CHIAPPINI, Franck, BREITTSCHNEIDER, Julia, LACAINE, Francois, HOURY, Sidney, HUGUIER, Michel

“…This study assessed the possibility to build a prognosis predictor, based on microarray gene expression measures, in stage II and III colon cancer patients…”
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A new algorithm for hybrid hierarchical clustering with visualization and the bootstrap by J. van der Laan, Mark, Pollard, Katherine S.

“…We propose a hybrid clustering method, hierarchical ordered partitioning and collapsing hybrid (HOPACH), which is a hierarchical tree of clusters. The…”
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Short- and long-term effects of neonatal glucocorticoid therapy: is hydrocortisone an alternative to dexamethasone? by van der Heide-Jalving, M, Kamphuis, PJGH, van der Laan, MJ, Bakker, JM, Wiegant, VM, Heijnen, CJ, Veen, S, van Bel, F

“…Aim: To compare short‐term effects and neurodevelopmental outcome of neonatal glucocorticoid therapy between two centres. Methods: A retrospective study was…”
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A new partitioning around medoids algorithm by Van der Laan, Mark, Pollard, Katherine, Bryan, Jennifer

“…Kaufman and Rousseeuw (1990) proposed a clustering algorithm Partitioning Around Medoids (PAM) which maps a distance matrix into a specified number of…”
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The nonparametric maximum likelihood estimator in a class of doubly censored current status data models with application to partner studies by Van Der Laan, MJ, Andrews, C

“…The California Partners' Study is an ongoing investigation of heterosexual HIV-transmission in partners of infected index cases (Padian et al., 1987; Shiboski…”
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Musculoskeletal complaints, physical work demands, and functional capacity in individuals with a brachial plexus injury: An exploratory study by van der Laan, Tallie M J, Postema, Sietke G, Alkozai, Siawash A, van der Sluis, Corry K, Reneman, Michiel F

“…Musculoskeletal complaints (MSCs) may be more common in individuals with brachial plexus injury (BPI), whose physical work demands exceed their functional…”
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Assessing the Effectiveness of Antiretroviral Adherence Interventions: Using Marginal Structural Models to Replicate the Findings of Randomized Controlled Trials by Petersen, Maya L, Wang, Yue, van der Laan, Mark J, Bangsberg, David R

“…Randomized controlled trials of interventions to improve adherence to antiretroviral medications are not always feasible. Marginal structural models (MSM) are…”
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Regulatory motif finding by logic regression by Keleş, Sündüz, van der Laan, Mark J., Vulpe, Chris

“…Motivation: Multiple transcription factors coordinately control transcriptional regulation of genes in eukaryotes. Although many computational methods consider…”
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A semiparametric model selection criterion with applications to the marginal structural model by Brookhart, M. Alan, van der Laan, Mark J.

“…Estimators of the parameter of interest in semiparametric models often depend on a guessed model for the nuisance parameter. The choice of the model for the…”
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A causal inference approach for constructing transcriptional regulatory networks by Xing, Biao, van der Laan, Mark J.

“…Motivation: Transcriptional regulatory networks specify the interactions among regulatory genes and between regulatory genes and their target genes…”
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Tree-based multivariate regression and density estimation with right-censored data by Molinaro, Annette M., Dudoit, Sandrine, van der Laan, Mark J.

“…We propose a unified strategy for estimator construction, selection, and performance assessment in the presence of censoring. This approach is entirely driven…”
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Virologic efficacy of boosted double versus boosted single protease inhibitor therapy by PETERSEN, Maya L, YUE WANG, VAN DER LAAN, Mark J, RHEE, Soo-Yon, SHAFER, Robert W, FESSEL, W. Jeffrey

“…Although regimens containing two protease inhibitor (PI) together with ritonavir boosting are used with the aim of improving virologic response to salvage…”
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Choice of a null distribution in resampling-based multiple testing by Pollard, Katherine S., van der Laan, Mark J.

“…This paper investigates different choices of test statistic null distribution for resampling-based multiple testing in the context of single parameter…”
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Dynamic CE-MRA for Endoleak Classification after Endovascular Aneurysm Repair by van der Laan, M.J., Bakker, C.J.G., Blankensteijn, J.D., Bartels, L.W.

“…To evaluate the value of dynamic contrast enhanced magnetic resonance angiography (CE-MRA) for classification of endoleaks after endovascular aneurysm repair…”
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