Stability | experimental |
---|---|

Maintainer | Patrick Perry <patperry@gmail.com> |

Safe Haskell | None |

Summary statistics for `Double`

s.

- data Summary
- summary :: [Double] -> Summary
- update :: Summary -> Double -> Summary
- sampleSize :: Summary -> Int
- sampleMin :: Summary -> Double
- sampleMax :: Summary -> Double
- sampleMean :: Summary -> Double
- sampleSE :: Summary -> Double
- sampleVar :: Summary -> Double
- sampleSD :: Summary -> Double
- sampleCI :: Double -> Summary -> (Double, Double)

# The `Summary`

data type

A type for storing summary statistics for a data set including sample size, min and max values, and first and second moments.

update :: Summary -> Double -> SummarySource

Update the summary with a data point. Running mean and variance computed as in Knuth, Vol 2, page 232, 3rd edition, see http:www.johndcook.com/standard_deviation.html for a description.

`Summary`

properties

sampleSize :: Summary -> IntSource

Get the sample size.

sampleMean :: Summary -> DoubleSource

Get the sample mean.