JournalofStatisticalSoftware - Hadley
The principles of tidy data provide a standard way to organise data values within a dataset. ... Data semantics A dataset is a collection of values, usually either numbers (if quantitative) or strings (if qualitative). Values are organised in two ways. Every value belongs to a variable and an
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JournalofStatisticalSoftware - Hadley Wickham
vita.had.co.nzJournal of Statistical Software 3 2.1. Data structure Most statistical datasets are rectangular tables made up of rows and columns. The columns
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