Plotting files in xmgrace
In order to plot files containing multiple Y columns, follow these steps:
Open xmgrace and click on Data \(\rightarrow\) Import \(\rightarrow\) ASCII.
Find the file that you want to plot and choose "Load as Block Data" in the dialogue box that will open.
Set X from column 1 and Y from whatever other column you want to plot in the new dialogue box that will open.
Press Apply and then press Close on all dialogues.
Note: Properties of the plots can be changed by double clicking on the data or on the axis.