is_scalar

is_string

is_bool

is_intish

is_count

is_number

not_null

has_length

Utility functions, mainly intended for asserting common preconditions are
exported for convenience in dependent packages.

A framework for data manipulation and visualization using a
web-based point and click user interface where analysis pipelines are decomposed into re-usable and parameterizable blocks.

Nicolas Bennett

blockr.core

Graphical Web-Framework for Data Manipulation and Visualization

David Granjon

Christoph Sax

Karma Tarap

John Coene

 Bristol Myers Squibb

is_scalar function

<dl><dt>x</dt>
<dd>Object to check</dd>
<dt>allow_zero</dt>
<dd>Determines whether the value 0 is considered a valid count</dd>
<dt>...</dt>
<dd>Silently ignored</dd></dl>

Arguments

Assertions — is_scalar

<dl>

<dt>x</dt>
<dd>Object to check</dd>


<dt>allow_zero</dt>
<dd>Determines whether the value 0 is considered a valid count</dd>


<dt>...</dt>
<dd>Silently ignored</dd>

</dl>

Assertions

is_scalar: Assertions

Description

Usage

Value

Arguments