Hi, I'm working with a dataset that has the following format: ID     Var1     Var2     Var3    Var4 1          .5        .          .          . 1          .          .5          .          . 1          .          .          .5         . 1          .          .          .          .5 2        .7          .          .          . 2          .          .7        .          . 2          .          .          .7         . 2          .          .          .          .7 etc And I want to combine the observations so the end result is: ID Var1     Var2     Var3     Var4 1     .5          .5          .5       .5 2     .7          .7          .7        .7 Any suggestions? Thank you! ... View more