What Accuracy Should I Be Aiming For?

Hello everyone. I’m going through this competition again and I am getting confused with the accuracy rates I am getting. Since I am new to R, I went through Data Camp’s guide and my last piece of code got me a rate of 83%. According to you guys, that’s good. However, in that code, some variables still have NAs. So I immediately though that one way to increase the accuracy would be to either remove NAs or predict them, making the code more… Complex. So, I spent hours coding an R script that would deal with NAs in specific ways (first I tried removing, which got a score of 0.77 and then I tried means, which got me the same score) and it was frustrating that using the predict function…


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