Thu, Jan 30 | FOWI common room, fourth floor

Cross-validation: Addressing the replicability crisis

Dr Serena Wee will present strategies to cross-validate your research; how to show that your findings also apply in other samples. Practical examples with the R package Caret will be provided.
Registration is Closed

Time & Location

Jan 30, 2020, 1:00 PM – 2:00 PM
FOWI common room, fourth floor, 78 Murray Street, Perth WA, Australia

About the Event

Concerns over replicability are, in part, concerns about the generalizability of our  (statistical) models to new samples and populations. In this talk, Dr Serena Wee from the University of Western Australia will discuss why model fitting implies model overfitting, when problems of overfitting are most likely to occur, and how cross-validation can help us (a) evaluate model generalizability, and (b) develop models that are more likely to generalise. I will also demonstrate how to conduct cross-validation using  the R caret package. This presentation is from the perspective of a non-expert, and based on what I have learned in an attempt to address comments, rightly raised by reviewers, that my work might have capitalised on chance (Wee, Newman, & Joseph, 2014; Song, Wee, & Newman, 2017).

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The Future of Work Institute (FoWI) promotes productive and meaningful work as essential foundations of a healthy economy and society.

FoWI’s researchers focus on how people contribute to and benefit from new knowledge and practices, and their mission is to support thriving people and organisations in the digital age.

The Future of Work Institute acknowledges the Wadjuk Nyungar people as the traditional owners of the land on which the Institute is situated.


Future of Work Institute

Curtin Graduate School of Business 

78 Murray Street

Perth WA 6000

Telephone: +61 8 9266 4668


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