James R Carpenter
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Explore the profile of James R Carpenter including associated specialties, affiliations and a list of published articles.
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103
Citations
11201
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Recent Articles
11.
Cro S, Morris T, Roger J, Carpenter J
Pharm Stat
. 2024 Apr;
23(5):598-603.
PMID: 38631678
Accurate frequentist performance of a method is desirable in confirmatory clinical trials, but is not sufficient on its own to justify the use of a missing data method. Reference-based conditional...
12.
Curnow E, Tilling K, Heron J, Cornish R, Carpenter J
Front Epidemiol
. 2023 Nov;
3:1237447.
PMID: 37974561
Epidemiological studies often have missing data, which are commonly handled by multiple imputation (MI). In MI, in addition to those required for the substantive analysis, imputation models often include other...
13.
Morris T, White I, Cro S, Bartlett J, Carpenter J, Pham T
Biom J
. 2023 Oct;
66(1):e2300085.
PMID: 37823668
For simulation studies that evaluate methods of handling missing data, we argue that generating partially observed data by fixing the complete data and repeatedly simulating the missingness indicators is a...
14.
Turner R, Band T, Morris T, Fisher D, Higgins J, Carpenter J, et al.
Stat Med
. 2023 Sep;
42(27):4917-4930.
PMID: 37767752
In network meta-analysis, studies evaluating multiple treatment comparisons are modeled simultaneously, and estimation is informed by a combination of direct and indirect evidence. Network meta-analysis relies on an assumption of...
15.
Mehta A, Carpenter J, Nicholas J, Chataway J, Virgo B, Parmar M, et al.
Nat Med
. 2023 Sep;
29(11):2682-2683.
PMID: 37710137
No abstract available.
16.
Curnow E, Carpenter J, Heron J, Cornish R, Rach S, Didelez V, et al.
J Clin Epidemiol
. 2023 Jun;
160:100-109.
PMID: 37343895
Objectives: Epidemiological studies often have missing data, which are commonly handled by multiple imputation (MI). Standard (default) MI procedures use simple linear covariate functions in the imputation model. We examine...
17.
Rehal S, Cro S, Phillips P, Fielding K, Carpenter J
Clin Trials
. 2023 Jun;
20(5):497-506.
PMID: 37277978
Introduction: The ICH E9 addendum outlining the estimand framework for clinical trials was published in 2019 but provides limited guidance around how to handle intercurrent events for non-inferiority studies. Once...
18.
Segalas C, Leyrat C, Carpenter J, Williamson E
Stat Med
. 2023 Jan;
42(7):1082-1095.
PMID: 36695043
One of the main challenges when using observational data for causal inference is the presence of confounding. A classic approach to account for confounding is the use of propensity score...
19.
Free C, Palmer M, McCarthy O, Jerome L, Berendes S, Knight M, et al.
BMJ
. 2022 Sep;
378:e070351.
PMID: 36170988
Objective: To quantify the effects of a series of text messages (safetxt) delivered in the community on incidence of chlamydia and gonorrhoea reinfection at one year in people aged 16-24...
20.
Cro S, Kahan B, Rehal S, Chis Ster A, Carpenter J, White I, et al.
BMJ
. 2022 Aug;
378:e070146.
PMID: 35998928
Objectives: To evaluate how often the precise research question being addressed about an intervention (the estimand) is stated or can be determined from reported methods, and to identify what types...