title: In pandas can you aggregate by mean and round that mean to the nearest int?
body: <p>So I have 169 columns which have been treated to leave 1=for yes and 0= for no, now I need to aggregate the 2 million rows by mean, and the round that 
  results to the nearest int, how could I get that?</p>
  
  <p>The image is just showing that the values per column are either 0 or 1</p>
  
  <p><a href="https://i.stack.imgur.com/NgmHm.png" rel="noreferrer"><img src="https://i.stack.imgur.com/NgmHm.png" alt="enter image description here"></a></p>