Continuous variable → mean [General Sta­tis­tics]

posted by Helmut Homepage – Vienna, Austria, 2022-05-02 02:05 (666 d 17:06 ago) – Posting: # 22949
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Hi Martin,

❝ Would you also use mean (SD), rather than median (min, max), for the descriptive stats then, given that this then becomes a continuous variable?


Yes. The jury is out for years trying to figure out whether the distribution is normal (use \(\small{\bar{x},\,s_x}\)) or lognormal (use \(\small{\bar{x}_\textrm{geo},\,CV_\textrm{geo}}\)). See this thread for the Half-Value-Duration HVD (aka Peak-Occupancy Time 50) and the Plateau-time t75% (aka Peak-Occupancy Time 25). Like in your case both are also continuous in the time-domain.


Answering an unasked question: For discrete variables (e.g., tmax) I would give the median / IQR – not the range. The latter is not informative (see this article).

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