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statistics [Fri May 20 19:44:45 2011] Alexander |
statistics [Thu Jan 14 17:15:05 2021] (current) Alexander |
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- | ====== Descriptive Statistics | + | ====== Descriptive Statistics ====== |
Select '' | Select '' | ||
- | {{: | + | {{: |
==== Showed Statistical Properties ==== | ==== Showed Statistical Properties ==== | ||
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===== Statistical Functions in Column Formulas ===== | ===== Statistical Functions in Column Formulas ===== | ||
You can also calculate statistics on table columns using column statistics functions when entering column formula. See '' | You can also calculate statistics on table columns using column statistics functions when entering column formula. See '' | ||
+ | |||
+ | ===== Computational Formulas ===== | ||
+ | Central moments are calculated as follows (see table). All sums are calculated using [[wp> | ||
+ | ^ Property | ||
+ | | //n// | The number of non-empty cells | | ||
+ | | Mean | < | ||
+ | | [[wp> | ||
+ | |||
+ | MagicPlot uses the following formulas to calculate statistics: | ||
+ | ^ Property | ||
+ | | Mean (expected value) | <m>mu = nu_1</ | ||
+ | | Variance | < | ||
+ | | Standard deviation | < | ||
+ | | Skewness | < | ||
+ | | Kurtosis | < | ||
+ | | Y Sum | <m>s = sum{j}{}{a_j}</ | ||
+ |