first: Return First n Elements of A Data Object

In AndreMikulec/econModel: Meaningful Social and Economic Data from ALFRED and elsewhere

Description

A generic function to return the first or first elements or rows of a vector or two-dimensional data object. This is a wrapper over the R CRAN package xts S3 function first.

Different here is that if n elements can not be returned, then instead, zero elements are returned.

Usage

first(x, ...)

Arguments

x	1 or 2 dimensional data object.
...	Dots passed. Typically, n = the exact number of elements to return.

Value

first elements or zero length element

AndreMikulec/econModel documentation built on June 30, 2021, 9:48 a.m.