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Dealing with non‐normality: an introduction and step‐by‐step guide using R |
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| Authors: | Matthew GR Courtney Kevin C Chang |
| Affiliation: | 1. Assessment Research Centre, Melbourne Graduate School of Education, The University of Melbourne, Melbourne, Victoria, Australia;2. Statistics Consulting Centre, Department of Statistics, The University of Auckland, Auckland, New Zealand |
| Abstract: | The article presents some notes on normalization and illustrates these procedures using graphing functions in R. Using real data, the paper also presents an R package and online Shiny app that efficiently transforms variables in large datasets. |
| Keywords: | Teaching Non‐normality Skewness Kurtosis Power Transformation Box‐Cox lambda |
