n_elements

From assertive.properties v0.0-4 by Richard Cotton

Get the number of elements

Gets the number of elements in an object.

Usage

n_elements(x)

Arguments

x: Any object.

Value

A non-negative integer of the number of elements.

Note

For atomic objects, the number of elements is the product of the dimensions, as calculated by DIM. For recursive objects, the number of elements is the sum of the number of elements of each of their atomic components.

Examples

library(assertive.properties)

n_elements(1:10)
n_elements(NULL)
n_elements(data.frame(x = 1:5, y = rnorm(5)))
n_elements(list(1:5, list(1:3, list(1:7))))
n_elements(var) # depends upon the length of the body

Documentation reproduced from package assertive.properties, version 0.0-4, License: GPL (>= 3)

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