Description Usage Arguments Value See Also Examples

View source: R/CompositeScore.R

`composite`

defines new composite scores by point-wise evaluation of
scores in any valid numerical expression.

1 2 3 4 | ```
composite(expr, label = NA_character_)
## S4 method for signature 'CompositeScore,TwoStageDesign'
evaluate(s, design, ...)
``` |

`expr` |
Expression (in curly brackets); must contain at least one score variable; if multiple scores are used, they must either all be conditional or unconditional. Currently, no non-score variables are supported |

`label` |
object label (string) |

`s` |
object of class |

`design` |
object |

`...` |
further optional arguments |

an object of class `CompositeConditionalScore`

or
`CompositeUnconditionalScore`

depending on the class of the scores used
in `expr`

Scores

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | ```
ess <- ExpectedSampleSize(Normal(), PointMassPrior(.4, 1))
power <- Power(Normal(), PointMassPrior(.4, 1))
# linear combination:
composite({ess - 50*power})
# control flow (e.g. for and while loops)
composite({
res <- 0
for (i in 1:3) {
res <- res + ess
}
res
})
# functional composition
composite({log(ess)})
cp <- ConditionalPower(Normal(), PointMassPrior(.4, 1))
composite({3*cp})
``` |

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