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We are very pleased to announce that the first regular monthly meeting we have in 2021 is going to be a joint event with R-Ladies Sydney, and we are happy to have Dr Gordana Popvic from UNSW to give us a talk about visualisations of discrete multivariate data in R.
This meeting is a face-to-face meeting but if you would like to attend virtually please register in advance for this lecture via https://uni-sydney.zoom.us/meeting/register/tZ0pcuCspz4pGNcc46GMFkjeeuxyPhYIimGE, you will receive a confirmation email containing information about joining the meeting after registering.
Any questions, please feel free to contact: email@example.com.
Date: Tuesday, 27th April 2021
6:00pm - 6:30pm: Refreshments
6:30pm - 7:30pm: Lecture
Venue: F10A.01.024.Law Annex Lecture Theatre 024, Main Camperdown Campus, The University of Sydney
Dr Gordana Popvic
Carrots are good for vision, models are good for visualising discrete data
Data sometimes have artefacts which obscure the patterns we are interested in visualising. You may have come across this when trying to interpret a residual plot from a logistic regression. For discrete data, these are not really artefacts, they are properties of the distribution of the data, like mean-variance relationships and lots of zeros. Generalised linear models and their extensions model the distribution of the data, including these properties, and so are a good way to remove them, to better see the patterns we are actually interested in. I will talk though some concepts and lots of examples of how we can use models to get the best out of our visualisations of discrete multivariate data in R.
Gordana is a statistical consultant and research fellow at UNSW Sydney, with research interests in modelling and visualising multivariate discrete data in ecology. In her spare time, Gordana can be found hiking or ocean swimming (poorly but enthusiastically).
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