Taking column average based on some condition on other column
I am looking for a method to take average of column data based on some condition on another column.The table below shows what I want to achieve. I want to take time averaged intensity value and tabulate a new column with the averaged value.The average will be taken based on 'Step' & Group as a trigger i.e all intensity values from same Group & same Step willbe averaged and tabulate once. I tried C...