headtail: Return the first and last parts of an object

In acidgenomics/r-acidexperiment: Acid Genomics Summarized Experiment

Return the first and last parts of an object

Description

Applies to both rows and columns, enabling quick inspection during interactive use.

Usage

headtail(x, ...)

## S4 method for signature 'DFrame'
headtail(x, n = 2L)

## S4 method for signature 'GRanges'
headtail(x, n = 2L)

## S4 method for signature 'Matrix'
headtail(x, n = 2L)

## S4 method for signature 'SummarizedExperiment'
headtail(x, n = 2L)

Arguments

x	Object.
n	integer(1). Positive integer denoting the number of first and last items to include.
...	Additional arguments.

Details

Inspired by the print method for DataFrame class.

Value

character.

Functions

• headtail(DFrame): Same method as data.frame.

• headtail(GRanges): Summarize the ranges.

• headtail(Matrix): Same method as matrix.

• headtail(SummarizedExperiment): Summarize the primary assay.

Note

Updated 2023-09-20.

See Also

• utils::head(), utils::tail().

• cat().

Examples

data(RangedSummarizedExperiment, package = "AcidTest")

## SummarizedExperiment ====
object <- RangedSummarizedExperiment
headtail(object)

acidgenomics/r-acidexperiment documentation built on March 29, 2025, 4:20 a.m.