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Identify if data is wide or long

Identify if data is wide or long: Learning the R Tidyverse
Identify if data is wide or long: Learning the R Tidyverse

There are fundamentally two ways to describe rectangular data sets: long or wide. Long data sets have a single column per variable and each row is an observation. Wide data sets split observations by a variable, for instance (height in 2010, height in 2013).

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Skill Level Intermediate
3h 44m
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Big Data IT R

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