castor1.8.3 package

Efficient Phylogenetics on Large Trees

asr_empirical_probabilities

Empirical ancestral state probabilities.

asr_independent_contrasts

Ancestral state reconstruction via phylogenetic independent contrasts.

asr_max_parsimony

Maximum-parsimony ancestral state reconstruction.

asr_mk_model

Ancestral state reconstruction with Mk models and rerooting

asr_squared_change_parsimony

Squared-change parsimony ancestral state reconstruction.

asr_subtree_averaging

Ancestral state reconstruction via subtree averaging.

castor

Efficient computations on large phylogenetic trees.

clade_densities

Estimate the density of tips & nodes in a timetree.

collapse_monofurcations

Remove monofurcations from a tree.

collapse_tree_at_resolution

Collapse nodes of a tree at a phylogenetic resolution.

congruent_divergence_times

Extract dating anchors for a target tree, using a dated reference tree

congruent_hbds_model

Generate a congruent homogenous-birth-death-sampling model.

consensus_taxonomies

Compute consensus taxonomies across a tree.

consentrait_depth

Calculate phylogenetic depth of a binary trait using the consenTRAIT m...

correlate_phylo_geodistances

Correlations between phylogenetic & geographic distances.

count_lineages_through_time

Count number of lineages through time (LTT).

count_tips_per_node

Count descending tips.

count_transitions_between_clades

Count the number of state transitions between tips or nodes.

date_tree_red

Date a tree based on relative evolutionary divergences.

discrete_trait_depth

Calculate phylogenetic depth of a discrete trait.

evaluate_spline

Evaluate a scalar spline at arbitrary locations.

expanded_tree_from_jplace

Place queries on a tree from a jplace file.

expected_distances_sbm

Expected distances traversed by a Spherical Brownian Motion.

exponentiate_matrix

Exponentiate a matrix.

extend_tree_to_height

Extend a rooted tree up to a specific height.

extract_deep_frame

Extract tips representing a tree's deep splits.

extract_fasttree_constraints

Extract tree constraints in FastTree alignment format.

extract_tip_neighborhood

Extract a subtree spanning tips within a certain neighborhood.

extract_tip_radius

Extract a subtree spanning tips within a certain radius.

find_farthest_tip_pair

Find the two most distant tips in a tree.

find_farthest_tips

Find farthest tip to each tip & node of a tree.

find_nearest_tips

Find nearest tip to each tip & node of a tree.

find_root_of_monophyletic_tips

Find the node or tip that, as root, would make a set of target tips mo...

find_root

Find the root of a tree.

fit_and_compare_bm_models

Fit and compare Brownian Motion models for multivariate trait evolutio...

fit_and_compare_sbm_const

Fit and compare Spherical Brownian Motion models for diffusive geograp...

fit_bm_model

Fit a Brownian Motion model for multivariate trait evolution.

fit_hbd_model_on_grid

Fit a homogenous birth-death model on a discrete time grid.

fit_hbd_model_parametric

Fit a parametric homogenous birth-death model to a timetree.

fit_hbd_pdr_on_best_grid_size

Fit pulled diversification rates of birth-death models on a time grid ...

fit_hbd_pdr_on_grid

Fit pulled diversification rates of birth-death models on a time grid.

fit_hbd_pdr_parametric

Fit parameterized pulled diversification rates of birth-death models.

fit_hbd_psr_on_best_grid_size

Fit pulled speciation rates of birth-death models on a time grid with ...

fit_hbd_psr_on_grid

Fit pulled speciation rates of birth-death models on a time grid.

fit_hbd_psr_parametric

Fit parameterized pulled speciation rates of birth-death models.

fit_hbds_model_on_grid

Fit a homogenous birth-death-sampling model on a discrete time grid.

fit_hbds_model_parametric

Fit a parametric homogenous birth-death-sampling model to a timetree.

fit_mk

Fit a Markov (Mk) model for discrete trait evolution.

fit_musse

Fit a discrete-state-dependent diversification model via maximum-likel...

fit_sbm_const

Fit a phylogeographic Spherical Brownian Motion model.

fit_sbm_geobiased_const

Fit a phylogeographic Spherical Brownian Motion model with geographic ...

fit_sbm_linear

Fit a phylogeographic Spherical Brownian Motion model with linearly va...

fit_sbm_on_grid

Fit a phylogeographic Spherical Brownian Motion model with piecewise-l...

fit_sbm_parametric

Fit a time-dependent phylogeographic Spherical Brownian Motion model.

fit_tree_model

Fit a cladogenic model to an existing tree.

gamma_statistic

Calculate the gamma-statistic of a tree.

generate_gene_tree_msc_hgt_dl

Generate gene trees based on the multi-species coalescent, horizontal ...

generate_gene_tree_msc

Generate a gene tree based on the multi-species coalescent model.

generate_random_tree

Generate a tree using a Poissonian speciation/extinction model.

generate_tree_hbd_reverse

Generate a tree from a birth-death model in reverse time.

generate_tree_hbds

Generate a tree from a birth-death-sampling model in forward time.

generate_tree_with_evolving_rates

Generate a random tree with evolving speciation/extinction rates.

geographic_acf

Phylogenetic autocorrelation function of geographic locations.

get_all_distances_to_root

Get distances of all tips and nodes to the root.

get_all_distances_to_tip

Get distances of all tips/nodes to a focal tip.

get_all_node_depths

Get the phylogenetic depth of each node in a tree.

get_all_pairwise_distances

Get distances between all pairs of tips and/or nodes.

get_ancestral_nodes

Compute ancestral nodes.

get_clade_list

Get a representation of a tree as a table listing tips/nodes.

get_independent_contrasts

Phylogenetic independent contrasts for continuous traits.

get_independent_sister_tips

Extract disjoint tip pairs with independent relationships.

get_mrca_of_set

Most recent common ancestor of a set of tips/nodes.

get_pairwise_distances

Get distances between pairs of tips or nodes.

get_pairwise_mrcas

Get most recent common ancestors of tip/node pairs.

get_random_diffusivity_matrix

Create a random diffusivity matrix for a Brownian motion model.

get_random_mk_transition_matrix

Create a random transition matrix for an Mk model.

get_reds

Calculate relative evolutionary divergences in a tree.

get_stationary_distribution

Stationary distribution of Markov transition matrix.

get_subtree_at_node

Extract a subtree descending from a specific node.

get_subtree_with_tips

Extract a subtree spanning a specific subset of tips.

get_subtrees_at_nodes

Extract subtrees descending from specific nodes.

get_tips_for_mrcas

Find tips with specific most recent common ancestors.

get_trait_acf

Phylogenetic autocorrelation function of a numeric trait.

get_trait_stats_over_time

Calculate mean & standard deviation of a numeric trait on a dated tree...

get_transition_index_matrix

Create an index matrix for a Markov transition model.

get_tree_span

Get min and max distance of any tip to the root.

get_tree_traversal_root_to_tips

Traverse tree from root to tips.

hsp_binomial

Hidden state prediction for a binary trait based on the binomial distr...

hsp_empirical_probabilities

Hidden state prediction via empirical probabilities.

hsp_independent_contrasts

Hidden state prediction via phylogenetic independent contrasts.

hsp_max_parsimony

Hidden state prediction via maximum parsimony.

hsp_mk_model

Hidden state prediction with Mk models and rerooting

hsp_nearest_neighbor

Hidden state prediction based on nearest neighbor.

hsp_squared_change_parsimony

Hidden state prediction via squared-change parsimony.

hsp_subtree_averaging

Hidden state prediction via subtree averaging.

is_bifurcating

Determine if a tree is bifurcating.

is_monophyletic

Determine if a set of tips is monophyletic.

join_rooted_trees

Join two rooted trees.

loglikelihood_hbd

Galculate the log-likelihood of a homogenous birth-death model.

map_to_state_space

Map states of a discrete trait to integers.

mean_abs_change_scalar_ou

Compute the expected absolute change of an Ornstein-Uhlenbeck process.

merge_nodes_to_multifurcations

Merge specific nodes into multifurcations.

merge_short_edges

Eliminate short edges in a tree by merging nodes into multifurcations.

model_adequacy_hbd

Check if a birth-death model adequately explains a timetree.

model_adequacy_hbds

Check if a birth-death-sampling model adequately explains a timetree.

multifurcations_to_bifurcations

Expand multifurcations to bifurcations.

pick_random_tips

Pick random subsets of tips on a tree.

place_tips_taxonomically

Place queries on a tree based on taxonomic identities.

read_fasta

Load a fasta file.

read_tree

Load a tree from a string or file in Newick (parenthetic) format.

reconstruct_past_diversification

Reconstruct past diversification dynamics from a diversity time series...

reorder_tree_edges

Reorder tree edges in preorder or postorder.

root_at_midpoint

Root a tree at the midpoint node.

root_at_node

Root a tree at a specific node.

root_in_edge

Root a tree in the middle of an edge.

root_via_outgroup

Root a tree based on an outgroup tip.

root_via_rtt

Root a tree via root-to-tip regression.

shift_clade_times

Shift the time of specific nodes & tips.

simulate_bm_model

Simulate a Brownian motion model for multivariate trait co-evolution.

simulate_deterministic_hbd

Simulate a deterministic homogenous birth-death model.

simulate_deterministic_hbds

Simulate a deterministic homogenous birth-death-sampling model.

simulate_diversification_model

Simulate a deterministic uniform speciation/extinction model.

simulate_dsse

Simulate a Discrete-State Speciation and Extinction (dSSE) model.

simulate_mk_model

Simulate an Mk model for discrete trait evolution.

simulate_ou_model

Simulate an Ornstein-Uhlenbeck model for continuous trait evolution.

simulate_rou_model

Simulate a reflected Ornstein-Uhlenbeck model for continuous trait evo...

simulate_sbm

Simulate Spherical Brownian Motion on a tree.

simulate_tdsse

Simulate a time-dependent Discrete-State Speciation and Extinction (td...

spline_coefficients

Get the polynomial coefficients of a spline.

split_tree_at_height

Split a tree into subtrees at a specific height.

tree_distance

Calculate the distance between two trees.

tree_from_branching_ages

Generate a random timetree with specific branching ages.

tree_from_sampling_branching_ages

Generate a random timetree with specific tip/sampling and node/branchi...

tree_from_taxa

Construct a rooted tree from lists of taxa.

tree_imbalance

Calculate various imbalance statistics for a tree.

trim_tree_at_height

Trim a rooted tree down to a specific height.

write_tree

Write a tree in Newick (parenthetic) format.

Efficient phylogenetic analyses on massive phylogenies comprising up to millions of tips. Functions include pruning, rerooting, calculation of most-recent common ancestors, calculating distances from the tree root and calculating pairwise distances. Calculation of phylogenetic signal and mean trait depth (trait conservatism), ancestral state reconstruction and hidden character prediction of discrete characters, simulating and fitting models of trait evolution, fitting and simulating diversification models, dating trees, comparing trees, and reading/writing trees in Newick format. Citation: Louca, Stilianos and Doebeli, Michael (2017) <doi:10.1093/bioinformatics/btx701>.

  • Maintainer: Stilianos Louca
  • License: GPL (>= 2)
  • Last published: 2024-11-17