43 lines
1.1 KiB
ReStructuredText
43 lines
1.1 KiB
ReStructuredText
Notations
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---------------
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This page was inspired from the following `Wikipedia page <https://en.wikipedia.org/wiki/Notation_in_probability_and_statistics>`_.
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Sample and Population
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=====================
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A *population* is the entire population that you want to analyze. It is a exhaustive set. A *sample* is a subset of the population. It is a non-exhaustive set.
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.. note::
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TODO add figure
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*Statistics* allows you to infers properties on a population using samples with a certain degree of confidence.
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Notation: Tale of Schizophrenia
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================================
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Two different notation conventions are used. The one to use depends if you are working on a *population* or a *sample*:
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.. list-table:: Notation
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:align: center
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* - Metric
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- Population
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- Sample
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* - Sample mean
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- :math:`\mu`
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- :math:`\overline{x}`
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* - Variance
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- :math:`\sigma^2`
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- :math:`s^2`
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* - Standard deviation
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- :math:`\sigma`
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- :math:`s`
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Operators
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==========
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Var esperance etc.. + remove in metrics esperence
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