Data analysis demands a lot of time, attention, and energy – essential resources that, once invested, can never come back. In fact, as a marketer, data analysis expert, or entrepreneur, your job is to effectively leverage those important resources to increase your company’s performance. To improve your analysis results, you’ll need to embrace the fact that you are maybe going to fail, regardless of how well-defined your data analysis plan is. That’s how it works – test, measure, optimize, and…