arkhe (version 1.10.0)

compact: Remove Empty Rows/Columns

Description

Removes empty rows/columns in an array-like object.

Usage

compact(x, ...)
compact_columns(x, ...)
compact_rows(x, ...)
# S4 method for ANY
compact(x, margin = 1, na.rm = FALSE, verbose = getOption("arkhe.verbose"))
# S4 method for ANY
compact_columns(x, na.rm = FALSE, verbose = getOption("arkhe.verbose"))
# S4 method for ANY
compact_rows(x, na.rm = FALSE, verbose = getOption("arkhe.verbose"))

Arguments

x

An R object (should be a matrix or a data.frame).

...

Currently not used.

margin

A length-one numeric vector giving the subscripts which the function will be applied over (1 indicates rows, 2 indicates columns).

na.rm

A logical scalar: should NA values be stripped before the computation proceeds?

verbose

A logical scalar: should R report extra information on progress?

Author

N. Frerebeau

Details

A row/column is empty if it contains only zeros (if of type numeric) or zero length character strings (if of type character).

See Also

Other data preparation tools: append_column(), append_rownames(), assign(), count(), detect(), discard(), get(), keep(), seek()

Examples

## Create a data.frame
X <- data.frame(A = 0, B = 1:5, C = 6, D = "", F = letters[1:5])
X

## Remove empty columns
compact(X, margin = 2)