[Hands-on causal inference] (3): Target test and standard method
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Answering causal questions is critical to scientific research and business analysis, but techniques such as randomized clinical trials and A/B testing are not always practical. In this paper, R is used to perform causal inference on observational data.
1. Randomized trials
A randomized trial is a trial that randomly assigns causes of interest.
Why does randomization help?
- First, randomized trials by default address consistent and well-defined exposures—exposures are precisely randomized.
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