title: R. Extract list from list by logic
body: <p>I have a list of list containing logical <code>TRUE</code>/<code>FALSE</code>. How can I extract only lists containing a TRUE value?</p>
  
  <p>Here's my list:</p>
  
  <pre><code>jorgelist
  # [[1]]
  # [1] FALSE FALSE FALSE FALSE FALSE  TRUE FALSE
  #
  # [[2]]
  # [1] FALSE FALSE FALSE FALSE  TRUE FALSE FALSE
  #
  # [[3]]
  # [1] FALSE FALSE FALSE  TRUE
  </code></pre>