R - Str (Structure)

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Str display compactly the internal structure of an R object.

Str is an alternative for summary


> v <- c(1,-2,3.3,7,-3)
> str(v)
 num [1:5] 1 -2 3.3 7 -3


  • num: indicates the numeric class
  • [1:5]: from one to 5 elements
  • 1 -2 3.3 7 -3: the elements

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R - (Datatype|Type|Storage Mode) of an object (typeof, mode)

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R - Vector

The Vector in R contains elements of the same class. A Vector with different class of objects is a list. A vector (as every object) can also have . Almost all data in R is a vector or is based upon...

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