Hypothetically, if your company's sales had dropped significantly in 2020, what approach would you take to describe the cause? can you build a model to predict the decrease (between 2019 and 2020 for example) to visualize what the leading indicators are?

  • $\begingroup$ 2020 may not be a very good year for doing data, as the pandemic may have induced very out-of-distribution behavior. $\endgroup$
    – noe
    Commented Mar 2, 2021 at 8:58
  • $\begingroup$ it doesnt have to be 2020 Im just saying that I want to know how I could describe changes. $\endgroup$
    – Jack Smith
    Commented Mar 2, 2021 at 19:02
  • $\begingroup$ Fall in sales could occur due to less advertising expenses or new products introduced by competitors or decrease in Salesforce.. $\endgroup$ Commented Mar 3, 2021 at 0:56
  • $\begingroup$ how can I quantify the causes given you have data to work with. Idealy in the form of 40% due to X, 30% due to Y, etc. $\endgroup$
    – Jack Smith
    Commented Mar 7, 2021 at 16:47


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