Visna---Visualising Multivariate Missing Values

May 19, 2020 Submission readers: everyone
  • Abstract: Identifying patterns of missing values in large datasets is difficult. The visna plot is a matrix visualisation with variables in the columns and patterns of missing values in the rows. Both rows and columns can be sorted and filtered. Visna is a powerful graphical tool for exploratory analysis.
  • Keywords: Missing values, Visualisation, Sorting
  • TL;DR: Visualise missing value patterns of large datasets using visna plots with sorting and filtering.
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