View source: R/treeplyr_functions.R
summarise.treedata | R Documentation |
treedata
This function can be used to summarize a treedata object.
## S3 method for class 'treedata' summarise(.data, ...) ## S3 method for class 'grouped_treedata' summarise(.data, ...)
.data |
An object of class |
... |
Additional expressions by which to summarize data in the |
Summarizing treedata
objects allows expressions using the objects phy
. The treedata
object can also be grouped, with summary statistics being applied to the pruned groups and phylogenies.
An object of class tbl_df
with the requested summary data.
summarize
, group_by
data(anolis) td <- make.treedata(anolis$phy, anolis$dat) summarize(td, ntips = length(phy$tip.label), meanSVL = mean(SVL), sdSVL = sd(SVL)) tdGrouped <- group_by(td, ecomorph) summarize(tdGrouped, ntips = length(phy$tip.label), totalBL = sum(phy$edge.length), meanSVL = mean(SVL), sdSVL = sd(SVL))
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