I have a logfile with data of different sample#. for example: Sample# | value | 0 | 3.56 | 0 | 6.7 | 0 | 0.11 | etc. 1 | 7.88 | 1 | 3.01 | etc. I want to plot one line with all the values with sample# 0 and another line with all values with sample# 1 and so on. Has someone an idea how I could do that without editing my datafile? Thank you very much.