Reassigning unique column values to easier names

I am parsing a larger csv that looks loosely like so: time id angle 0.0 1_2_3 … 0.0 ad_42 … 0.0 34_02_03 … 0.1 1_2_3 … 0.1 ad_42 … 0.1 f_1 … …. As you can see, the id field has a lot of variety in the naming schematic, but definitely has values that repeat.… Read More Reassigning unique column values to easier names