video1.0<iframe src="https://www.loom.com/embed/dca2bf6e2944461a9061e60a205e1012" frameborder="0" width="1280" height="960" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>9601280Loomhttps://www.loom.com9601280https://cdn.loom.com/sessions/thumbnails/dca2bf6e2944461a9061e60a205e1012-00001.jpg241Data frames: obtendo informações ( funções &quot;str&quot;, &quot;summary&quot;, &quot;nrow&quot;, &quot;ncol&quot;, &quot;colnames&quot;, &quot;rownames&quot;)