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researcher

Nicholas T Williams

22 papers hereh-index 10418 citations50 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author5
  • middle author16

Across the 21 of 22 papers where every author was matched, so the position is known.

fields
  • stat.ME18
  • math.ST1
  • q-bio.QM1
  • stat.AP1
  • stat.ML1

identity via Semantic Scholar / OpenAlex

activity
20202026
most citedStudying continuous, time-varying, and/or complex exposures using longitudinal modified treatment policies

11 citations · 25 across the 18 of their papers we have counts for

collaborators
Showing 2022Show all

3 papers · 1 filter

stat.ME2022

All models are wrong, but which are useful? Comparing parametric and nonparametric estimation of causal effects in finite samples

Kara E. Rudolph, Nicholas Williams, Caleb H. Miles +2

There is a long-standing debate in the statistical, epidemiological and econometric fields as to whether nonparametric estimation that uses data-adaptive methods, like machine lear…

stat.ME2022★ 2 cited

Nonparametric estimators of interventional (transported) direct and indirect effects that accommodate multiple mediators and multiple intermediate confounders

Kara E Rudolph, Nicholas Williams, Ivan Diaz

Mediation analysis is appealing for its ability to improve understanding of the mechanistic drivers of causal effects, but real-world data complexities challenge its successful imp…

stat.ME2022

A novel decomposition to explain heterogeneity in observational and randomized studies of causality

Brian Gilbert, Ivan Dıaz, Kara E. Rudolph +2

This paper introduces a novel decomposition framework to explain heterogeneity in causal effects observed across different studies, considering both observational and randomized se…

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