i-dimensional arrays of data.</p>
<p>Conceptually, an <code class="xref py py-class docutils literal notranslate"><span class="pre">nddata</span></code> instance acts as a container that holds the raw
array along with its descriptive metadata.  A schematic view of this
structure appears in <code class="xref std std-numref docutils literal notranslate"><span class="pre">nddata-container-fig</span></code> inside the
API documentation for <a class="reference internal" href="pyspecdata.html#pyspecdata.nddata" t