title: Create multiple columns in R based on other column
body: <p>I have 2 columns in data frame , please refer to below</p>
  
  <pre><code>no  value
  1   A_0.9
  1   B_0.8
  1   C_0.7
  1   D_0.7
  2   B_0.9
  2   D_0.8
  2   A_0.7
  2   C_0.7
  </code></pre>
  
  <p>I want to create new data frame as below</p>
  
  <pre><code>no  value1  value2  value3  value4
  1   A_0.9   B_0.8   C_0.7   D_0.7
  2   B_0.9   D_0.8   A_0.7   C_0.7
  </code></pre>
  
  <p>i.e: for each unique value in column "no" there will be multiple columns created using data in column "value"</p>