activity
20162022
most citedExpanding tidy data principles to facilitate missing data exploration, visualization and assessment of imputations

22 citations · 36 across the 7 of their papers we have counts for

collaborators

7 papers

stat.OT2022

A Journey from Wild to Textbook Data to Reproducibly Refresh the Wages Data from the National Longitudinal Survey of Youth Database

Dewi Amaliah, Dianne Cook, Emi Tanaka +2

Textbook data is essential for teaching statistics and data science methods because they are clean, allowing the instructor to focus on methodology. Ideally textbook data sets are…

stat.AP2020★ 1 cited

brolgar: An R package to BRowse Over Longitudinal Data Graphically and Analytically in R

Nicholas J Tierney, Dianne Cook, Tania Prvan

Longitudinal (panel) data provide the opportunity to examine temporal patterns of individuals, because measurements are collected on the same person at different, and often irregul…

stat.ML2020★ 8 cited

When to Impute? Imputation before and during cross-validation

Byron C. Jaeger, Nicholas J. Tierney, Noah R. Simon

Cross-validation (CV) is a technique used to estimate generalization error for prediction models. For pipeline modeling algorithms (i.e. modeling procedures with multiple steps), i…

cs.DL2020★ 5 cited

A Realistic Guide to Making Data Available Alongside Code to Improve Reproducibility

Nicholas J Tierney, Karthik Ram

Data makes science possible. Sharing data improves visibility, and makes the research process transparent. This increases trust in the work, and allows for independent reproduction…

stat.ME2019

R-miss-tastic: a unified platform for missing values methods and workflows

Imke Mayer, Aude Sportisse, Julie Josse +2

Missing values are unavoidable when working with data. Their occurrence is exacerbated as more data from different sources become available. However, most statistical models and vi…

stat.CO2018★ 22 cited

Expanding tidy data principles to facilitate missing data exploration, visualization and assessment of imputations

Nicholas J Tierney, Dianne H Cook

Despite the large body of research on missing value distributions and imputation, there is comparatively little literature with a focus on how to make it easy to handle, explore, a…

cs.PL2016

A Simple Guide to S3 Methods

Nicholas Tierney

Writing functions in R is an important skill for anyone using R. S3 methods allow for functions to be generalised across different classes and are easy to implement. Whilst many R…