ention time and return mass spectrum vector (MSP file) for NIST search</dd>
      </dl><dl><dt>

          <code><a href="plotrug.html">plotrug()</a></code>

        </dt>
        <dd>plot 1-d density for multiple samples</dd>
      </dl><dl><dt>

          <code><a href="plotsms.html">plotsms()</a></code>

        </dt>
        <dd>Plot the intensity distribution of GC-MS</dd>
      </dl><dl><dt>

          <code><a href="plotsub.html">plotsub()</a></code>

        </dt>
        <dd>Plot the background of 