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noded_with_condition

Find which nodes satisfies a condition


Description

Goes through a tree's nodes in order to return a vector with whether (TRUE/FALSE) each node satisies some condition (function)

Usage

noded_with_condition(
  dend,
  condition,
  include_leaves = TRUE,
  include_branches = TRUE,
  na.rm = FALSE,
  ...
)

Arguments

dend

a dendrogram dend

condition

a function that gets a node and return TRUE or FALSE (based on whether or not that node/tree fulfills the "condition")

include_leaves

logical. Should leaves attributes be included as well?

include_branches

logical. Should non-leaf (branch node) attributes be included as well?

na.rm

logical. Should NA attributes be REMOVED from the resulting vector?

...

passed to the condition function

Value

A logical vector with TRUE/FALSE, specifying for each of the dendrogram's nodes if it fulfills the condition or not.

See Also

Examples

## Not run: 

library(dendextend)

set.seed(23235)
ss <- sample(1:150, 10)

# Getting the dend dend
dend <- iris[ss, -5] %>%
  dist() %>%
  hclust() %>%
  as.dendrogram()
dend %>% plot()



# this is the basis for branches_attr_by_labels
has_any_labels <- function(sub_dend, the_labels) any(labels(sub_dend) %in% the_labels)
cols <- noded_with_condition(dend, has_any_labels,
  the_labels = c("126", "109", "59")
) %>%
  ifelse(2, 1)
set(dend, "branches_col", cols) %>% plot()

# Similar to branches_attr_by_labels - but for heights!
high_enough <- function(sub_dend, height) attr(sub_dend, "height") > height
cols <- noded_with_condition(dend, high_enough, height = 1) %>% ifelse(2, 1)
set(dend, "branches_col", cols) %>% plot()

## End(Not run)

dendextend

Extending 'dendrogram' Functionality in R

v1.15.1
GPL-2 | GPL-3
Authors
Tal Galili [aut, cre, cph] (https://www.r-statistics.com), Yoav Benjamini [ths], Gavin Simpson [ctb], Gregory Jefferis [aut, ctb] (imported code from his dendroextras package), Marco Gallotta [ctb] (a.k.a: marcog), Johan Renaudie [ctb] (https://github.com/plannapus), The R Core Team [ctb] (Thanks for the Infastructure, and code in the examples), Kurt Hornik [ctb], Uwe Ligges [ctb], Andrej-Nikolai Spiess [ctb], Steve Horvath [ctb], Peter Langfelder [ctb], skullkey [ctb], Mark Van Der Loo [ctb] (https://github.com/markvanderloo d3dendrogram), Andrie de Vries [ctb] (ggdendro author), Zuguang Gu [ctb] (circlize author), Cath [ctb] (https://github.com/CathG), John Ma [ctb] (https://github.com/JohnMCMa), Krzysiek G [ctb] (https://github.com/storaged), Manuela Hummel [ctb] (https://github.com/hummelma), Chase Clark [ctb] (https://github.com/chasemc), Lucas Graybuck [ctb] (https://github.com/hypercompetent), jdetribol [ctb] (https://github.com/jdetribol), Ben Ho [ctb] (https://github.com/SplitInf), Samuel Perreault [ctb] (https://github.com/samperochkin), Christian Hennig [ctb] (http://www.homepages.ucl.ac.uk/~ucakche/), David Bradley [ctb] (https://github.com/DBradley27), Houyun Huang [ctb] (https://github.com/houyunhuang)
Initial release
2021-05-08

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