View source: R/SplitFunctions.R
TrivialSplits | R Documentation |
TrivialSplits()
identifies trivial splits (which separate one or zero
leaves from all others); WithoutTrivialSplits()
removes them from a
Splits
object.
TrivialSplits(splits, nTip = attr(splits, "nTip"))
WithoutTrivialSplits(splits, nTip = attr(splits, "nTip"))
splits |
An object of class |
nTip |
Integer specifying number of tips (leaves). |
TrivialSplits()
returns a logical vector specifying whether each
split in splits
is trivial, i.e. includes or excludes only a single tip or
no tips at all.
WithoutTrivialSplits()
returns a Splits
object with trivial
splits removed.
Martin R. Smith (martin.smith@durham.ac.uk)
Other split manipulation functions:
DropTip()
,
Subsplit()
splits <- as.Splits(PectinateTree(letters[1:9]))
efgh <- Subsplit(splits, tips = letters[5:8], keepAll = TRUE)
summary(efgh)
TrivialSplits(efgh)
summary(WithoutTrivialSplits(efgh))
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