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Loic Guegan 2023-10-14 20:33:43 +02:00
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source/statistics/dof.rst → source/statistics/degree_of_freedom.rst
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Degree of freedom Degree of Freedom
=================== ===================
BAM BAM

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source/statistics/index.rst
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@ -6,6 +6,6 @@ Statistics
:maxdepth: 2 :maxdepth: 2
metrics metrics
dof degree_of_freedom
Statistics notes. Statistics notes.

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source/statistics/metrics.rst
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@ -50,6 +50,7 @@ Standard Error of the Mean (SEM) quantifies the error that is potentially made w
Here is how to interpret it. Here is how to interpret it.
If :math:`n=1`, the error is at most :math:`\sqrt{\mathbb{V}[X]}=\sigma_X` which is the standard deviation or :math:`X`. If :math:`n=1`, the error is at most :math:`\sqrt{\mathbb{V}[X]}=\sigma_X` which is the standard deviation or :math:`X`.
The more :math:`n` increases, the lower the error becomes. The more :math:`n` increases, the lower the error becomes.
The greater :math:`\mathbb{V}[X]`, the greater :math:`n` needs to be to ensure a low :math:`\mathrm{SEM}`.
More infos in `this video <https://www.youtube.com/watch?v=BwYj69LAQOI>`_. More infos in `this video <https://www.youtube.com/watch?v=BwYj69LAQOI>`_.
If it is still unclear, see the following R code: If it is still unclear, see the following R code: