title: Want to combine date and time in a column using R
body: <p>I have the following dataframe</p>
  
  <pre><code> Date             Time
  10/03/2014       12.00.00
  11/03/2014       13.00.00
  12/03/2014       14.00.00
  </code></pre>
  
  <p>I want to create one single column as follows</p>
  
  <pre><code>DT
  10/03/2014 12.00.00
  11/03/2014 13.00.00
  12/03/2014 14.00.00
  </code></pre>
  
  <p>when I run</p>
  
  <pre><code>data$DT &lt;- as.POSIXct(paste(x$Date, x$Time), format="%d-%m-%Y %H:%M:%S")
  </code></pre>
  
  <p>I get a column DT with all NA values.</p>