is_empty

is value missing, null, 0-length or NA length 1

Re-implementation of the 'gWidgets' API. The API is defined in this
package. A second, toolkit-specific package is required to use it. At this point only 'gWidgets2tcltk' is viable.

john verzani

gWidgets2

Rewrite of gWidgets API for Simplified GUI Construction

John Verzani

is_empty function

<dl><dt>x</dt>
<dd>object to test</dd></dl>

Arguments

is value missing, null, 0-length or NA length 1 — is_empty

<dl>

<dt>x</dt>
<dd>object to test</dd>

</dl>

is_empty: is value missing, null, 0-length or NA length 1

Description

Usage

Value

Arguments