If I tell you there would be evidence bias, you'll have to do some googling yourself.
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I'm not sure why you did what you did there...
Anyway, you wanted to test if ignite works good, so that means you need to find out how it should work first, then how it works.
Also, you want least variables(junk) in your data as possible. So that means; no procs, no living bomb (well, you can have as much stuff s you want, but it only makes your job harder because you need to filter and backtrack everything)