es</span>
<span class="kn">from</span> <span class="nn">functools</span> <span class="kn">import</span> <span class="n">cached_property</span>

<span class="n">r_ssa</span> <span class="o">=</span> <span class="n">rpackages</span><span class="o">.</span><span class="n">importr</span><span class="p">(</span><span class="s1">&#39;Rssa&#39;</span><span class="p">)</span>


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