I've two column data as:
9 17.52
11 29.77
7 62.75
11 36.15
7 30.46
7 52.5
9 65.26
9 90.05
14 101.87
12 86.88
15 74.78
And want that first column be plotted as histogram according to index of y2, and second column be plotted as line according to index of y1. Anyone has ideas?