title: In R, how to read a special csv with some rows skipped the first value?
body: <p>The data in Excel is like:
  <a href="https://i.stack.imgur.com/zM6bU.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/zM6bU.png" alt="enter image description here"></a></p>
  
  <p>You can see the first column <code>Date</code> has some value missing, but by default they are just following the first value.</p>
  
  <p>How I can read this kind of csv file into R? Should I do a script to replace these missing values then read them or there's some options in <code>read.csv()</code> to deal with this? I checked the official manual but couldn't find one.</p>
  
  <p>To be more clear, the target is to automatically add the missing date directly into the csv files:</p>
  
  <p><a href="https://i.stack.imgur.com/Ojdn2.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Ojdn2.png" alt="enter image description here"></a></p>