Now to Think about “Causality” and “Correlation”

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  • 今こそ考える「因果」と「相関」

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<p> Statistics and data science have become very popular in these days, and the number of people involved in data analysis is rapidly increasing. So, it is now time to consider the most important topic in statistics that the distinction between “causation” and “correlation”. The topic will be discussed in the framework of regression analysis here. Also in recent years, the use of open data has become a hot topic. The characteristic feature of this type of data is that they are so-called aggregate data. Therefore, the ecological reference as a methodology for inferring individual behavior from aggregate data seems to be quite important. Familiar examples are taken up and the results of the analyses are critically discussed. The message here is that we should recognize that data are composed of numerical values and background information. Without background information, data analysis can easily fall into mere numerical analysis.</p>

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  • Ouyou toukeigaku

    Ouyou toukeigaku 51 (1-2), 43-54, 2022

    Japanese Society of Applied Statistics

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