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<title>Create a time series of decline data — one_box • pfm</title>

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    <h1>Create a time series of decline data</h1>
    </div>

    
    <p>The time series starts with the amount specified for the first application.
This does not create objects of type <code>ts</code>.</p>
    

    <pre><span class='fu'>one_box</span>(<span class='no'>x</span>, <span class='kw'>t_end</span> <span class='kw'>=</span> <span class='fl'>100</span>, <span class='kw'>res</span> <span class='kw'>=</span> <span class='fl'>0.01</span>, <span class='no'>...</span>)

<span class='co'># S3 method for numeric</span>
<span class='fu'>one_box</span>(<span class='no'>x</span>, <span class='kw'>t_end</span> <span class='kw'>=</span> <span class='fl'>100</span>, <span class='kw'>res</span> <span class='kw'>=</span> <span class='fl'>0.01</span>, <span class='no'>...</span>)

<span class='co'># S3 method for mkinfit</span>
<span class='fu'>one_box</span>(<span class='no'>x</span>, <span class='kw'>t_end</span> <span class='kw'>=</span> <span class='fl'>100</span>, <span class='kw'>res</span> <span class='kw'>=</span> <span class='fl'>0.01</span>, <span class='no'>...</span>)</pre>
    
    <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a> Arguments</h2>
    <dl class="dl-horizontal">
      <dt>x</dt>
      <dd>When numeric, this is the half-life to be used for an exponential
decline. If x is an mkinfit object, the decline is calculated from this object</dd>
      <dt>t_end</dt>
      <dd>End of the time series</dd>
      <dt>res</dt>
      <dd>Resolution of the time series</dd>
      <dt>...</dt>
      <dd>Further arguments passed to methods</dd>
    </dl>
    

    <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
    <pre class="examples"><div class='input'><span class='co'># Only use a half-life</span>
<span class='no'>pred_0</span> <span class='kw'>&lt;-</span> <span class='fu'>one_box</span>(<span class='fl'>10</span>)
<span class='fu'>plot</span>(<span class='no'>pred_0</span>)</div><img src='one_box-2.png' alt='' width='540' height='400' /><div class='input'>
<span class='co'># Use a fitted mkinfit model</span>
<span class='fu'>require</span>(<span class='no'>mkin</span>)
<span class='no'>fit</span> <span class='kw'>&lt;-</span> <span class='fu'>mkinfit</span>(<span class='st'>"FOMC"</span>, <span class='no'>FOCUS_2006_C</span>, <span class='kw'>quiet</span> <span class='kw'>=</span> <span class='fl'>TRUE</span>)
<span class='no'>pred_1</span> <span class='kw'>&lt;-</span> <span class='fu'>one_box</span>(<span class='no'>fit</span>)
<span class='fu'>plot</span>(<span class='no'>pred_1</span>)</div><img src='one_box-4.png' alt='' width='540' height='400' /><div class='input'>
<span class='co'># Use a model with more than one observed variable</span>
<span class='no'>m_2</span> <span class='kw'>&lt;-</span> <span class='fu'>mkinmod</span>(<span class='kw'>parent</span> <span class='kw'>=</span> <span class='fu'>mkinsub</span>(<span class='st'>"SFO"</span>, <span class='st'>"m1"</span>), <span class='kw'>m1</span> <span class='kw'>=</span> <span class='fu'>mkinsub</span>(<span class='st'>"SFO"</span>))</div><div class='output co'>#&gt; <span class='message'>Successfully compiled differential equation model from auto-generated C code.</span></div><div class='input'><span class='no'>fit_2</span> <span class='kw'>&lt;-</span> <span class='fu'>mkinfit</span>(<span class='no'>m_2</span>, <span class='no'>FOCUS_2006_D</span>, <span class='kw'>quiet</span> <span class='kw'>=</span> <span class='fl'>TRUE</span>)
<span class='no'>pred_2</span> <span class='kw'>&lt;-</span> <span class='fu'>one_box</span>(<span class='no'>fit_2</span>)
<span class='fu'>plot</span>(<span class='no'>pred_2</span>)</div><img src='one_box-8.png' alt='' width='540' height='400' /></pre>
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    <h2>Contents</h2>
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      <li><a href="#arguments">Arguments</a></li>
            
      <li><a href="#examples">Examples</a></li>
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