opttest

An expression to be evaluated only if <code>testvar</code> is set to a
    non-empty value.

expr

Optional name of the test. If given, and the test is skipped, will
    print a message to that end, including the name of the test, and
    instructions on how to enable it.

testname

Environment variable name. If set to one of the <code>yesvals</code>,
    <code>expr</code> is run. Otherwise, an optional message is printed.

testvar

A character vector of strings considered affirmative values for
    <code>testvar</code>.

yesvals

Whether to convert the value of <code>testvar</code> to lower case before
    comparing it to <code>yesvals</code>.

lowercase

A convenience wrapper to run code based on whether an environment
variable is defined.

utilities

environment

debugging

Non-statistical utilities used by the software developed by the Statnet Project. They may also be of use to others.

opttest: Optionally test code depending on environment variable.

Description

Usage

Arguments