 <span class="hljs-literal">NA</span> <span class="hljs-keyword">...</span>
 $ topic_probdiff_2nd: num  <span class="hljs-literal">NA</span> <span class="hljs-literal">NA</span> <span class="hljs-literal">NA</span> <span class="hljs-number">0.0196</span> <span class="hljs-literal">NA</span> <span class="hljs-keyword">...</span>
 $ topic_labela      : num  <span class="hljs-literal">NA</span> <span class="hljs-literal">NA</span> <span class="hljs-literal">NA</span> <span class="hljs-number">0.245</span> <spa