title: How to create a dropdown list in a Shiny table using datatable when editing the table?
body: <p>I used RStudio to read in a csv file and used Shiny to build an app as an interactive table, the cell I selected right now as shown in the picture is pre-filled.</p>
  
  <p><a href="https://i.stack.imgur.com/8DUv5.png" rel="nofollow noreferrer">enter image description here</a></p>
  
  <p>I want to change the value given pre-defined options in a dropdown list, such as, "Keep Dataset", "Pass", etc., I searched hundreds of materials and I literally ran out of my bullets...... PLEASE HELP!</p>