Package 'yatah'

Title: Yet Another TAxonomy Handler
Description: Provides functions to manage taxonomy when lineages are described with strings and ranks separated with special patterns like "|*__" or ";*__".
Authors: Antoine Bichat [aut, cre]
Maintainer: Antoine Bichat <[email protected]>
License: GPL-3
Version: 1.0.0
Built: 2024-11-09 03:52:33 UTC
Source: https://github.com/abichat/yatah

Help Index

Abundance table for 199 samples.

Description

A dataset containing the abundances of 1585 lineages among 199 patients.

Usage

abundances

Format

A data.frame with 1585 rows and 200 variables:

lineages

lineage (string)

XXX

abundance of each lineage in the sample XXX (double)

Source

Zeller et al., 2014 (doi:10.15252/msb.20145645), Pasolli et al., 2017 (doi:10.1038/nmeth.4468).

Examples

dim(abundances)
abundances[1:5, 1:7]

Ranks handled by yatah

Description

Ranks handled by yatah

Usage

all_ranks

Format

An object of class character of length 8.

Examples

all_ranks

Extract all clades present in the lineages

Description

Extract all clades present in the lineages

Usage

get_all_clades(lineage, simplify = TRUE)

Arguments

lineage

string. Vector of lineages.
simplify

logical. Should the output be a vector or a dataframe?

Details

If a clade correspond to different ranks (e.g. Actinobacteria is both a phylum and a clade), it will be displayed only one time when simplify is set to TRUE. It is also the case for different clades with same name and same rank when simplify is set to FALSE.

Value

The clades present in the lineage. Vector of ordered strings or data.frame.

Examples

lineage1 <- "k__Bacteria|p__Verrucomicrobia|c__Verrucomicrobiae"
lineage2 <- "k__Bacteria|p__Firmicutes|c__Clostridia"
lineage3 <- "k__Bacteria|p__Actinobacteria|c__Actinobacteria"
get_all_clades(c(lineage1, lineage2, lineage3))
get_all_clades(c(lineage1, lineage2, lineage3), simplify = FALSE)

Extract the clade of a desired rank in a lineage

Description

Extract the clade of a desired rank in a lineage

Usage

get_clade(lineage, rank = yatah::all_ranks, same = TRUE)

Arguments

lineage

string. Vector of lineages.
rank

The desired rank of the clade.
same

logical. Does the lineage have the same depth? Default to TRUE.

Value

A string.

Examples

lineage1 <- "k__Bacteria|p__Verrucomicrobia|c__Verrucomicrobiae"
lineage2 <- "k__Bacteria|p__Firmicutes|c__Clostridia"
get_clade(c(lineage1, lineage2), "phylum")

Extract the last clade of a lineage

Description

Extract the last clade of a lineage

Usage

get_last_clade(lineage, same = TRUE)

Arguments

lineage

string. Vector of lineages.
same

logical. Does the lineage have the same depth? Default to TRUE.

Value

A string. The last clades of the given lineages.

Examples

lineage1 <- "k__Bacteria|p__Verrucomicrobia|c__Verrucomicrobiae"
lineage2 <- "k__Bacteria|p__Firmicutes|c__Clostridia"
get_last_clade(c(lineage1, lineage2))

Extract the last rank of a lineage

Description

Extract the last rank of a lineage

Usage

get_last_rank(lineage, same = TRUE)

Arguments

lineage

string. Vector of lineages.
same

logical. Does the lineage have the same depth? Default to TRUE.

Value

A string. The last rank of the given lineages.

Examples

lineage1 <- "k__Bacteria|p__Verrucomicrobia|c__Verrucomicrobiae"
lineage2 <- "k__Bacteria|p__Firmicutes|c__Clostridia"
get_last_rank(c(lineage1, lineage2))

Test if a lineage belongs to a clade

Description

Test if a lineage belongs to a clade

Usage

is_clade(lineage, clade, rank = c(".", yatah::all_ranks))

Arguments

lineage

string. Vector of lineages.
clade

string.
rank

string. One of c("kingdom", "phylum", "class", "order", "family", "genus", "species", "strain") with partial matching.

Details

If rank is set to ., clade is looked for among all ranks.

Value

logical.

Examples

lineage1 <- "k__Bacteria|p__Verrucomicrobia|c__Verrucomicrobiae"
lineage2 <- "k__Bacteria|p__Firmicutes|c__Clostridia"
is_clade(c(lineage1, lineage2), clade = "Verrucomicrobia", rank = "phylum")
is_clade(c(lineage1, lineage2), clade = "Clostridia")

Test if a string is a lineage

Description

Test if a string is a lineage

Usage

is_lineage(string)

Arguments

string

string to be tested as lineage.

Details

Alphanumeric character, hyphen, dots, square brackets and non-consecutive underscores are allowed in clades names.

Value

A logical.

Examples

is_lineage("k__Bacteria|p__Firmicutes|c__Clostridia|o__Clostridiales")

Test if a lineage goes down to a specified rank

Description

Test if a lineage goes down to a specified rank

Usage

is_rank(lineage, rank = yatah::all_ranks)

is_at_least_rank(lineage, rank = yatah::all_ranks)

Arguments

lineage

string. Vector of lineages.
rank

string. One of c("kingdom", "phylum", "class", "order", "family", "genus", "species", "strain") with partial matching.

Value

logical.

Examples

lineage1 <- "k__Bacteria|p__Verrucomicrobia|c__Verrucomicrobiae"
lineage2 <- "k__Bacteria|p__Firmicutes|c__Clostridia"
is_rank(c(lineage1, lineage2), "class")
is_rank(c(lineage1, lineage2), "order")
is_at_least_rank(c(lineage1, lineage2), "phylum")
is_at_least_rank(c(lineage1, lineage2), "order")

Taxonomic table

Description

Compute taxonomic table from lineages.

Usage

taxtable(lineage)

Arguments

lineage

string. Vector of lineages.

Details

Duplicated lineages are removed.

Value

A data.frame with columns corresponding to different ranks.

Examples

lineage1 <- "k__Bacteria|p__Verrucomicrobia|c__Verrucomicrobiae"
lineage2 <- "k__Bacteria|p__Firmicutes|c__Clostridia"
lineage3 <- "k__Bacteria|p__Firmicutes|c__Bacilli"
taxtable(c(lineage1, lineage2, lineage3))

Taxonomic tree

Description

Compute taxonomic tree from taxonomic table.

Usage

taxtree(table, collapse = TRUE, lineage_length = 1, root = "")

Arguments

table

dataframe.
collapse

logical. Should node with one child be vanished? Default to TRUE.
lineage_length

double. Lineage length from the root to the leaves. Default to 1.
root

character. Name of the root if there is no natural root.

Value

A phylo object.

Examples

lineage1 <- "k__Bacteria|p__Verrucomicrobia|c__Verrucomicrobiae"
lineage2 <- "k__Bacteria|p__Firmicutes|c__Clostridia"
lineage3 <- "k__Bacteria|p__Firmicutes|c__Bacilli"
table <- taxtable(c(lineage1, lineage2, lineage3))
taxtree(table)

Trim lineages until the shallowest common rank.

Description

Trim lineages until the shallowest common rank.

Usage

trim_common(lineage, remove_void = TRUE, only_tail = TRUE)

Arguments

lineage

string. Vector of lineages.
remove_void

Should void ranks be removed? Default to TRUE.
only_tail

Logical to be passed to trim_void(). Used only if remove_void is set to TRUE.

Value

The trimmed lineages, with same depth.

Examples

lineage1 <- "k__Bacteria|p__Verrucomicrobia|c__Verrucomicrobiae"
lineage2 <- "k__Bacteria|p__Firmicutes"
lineage3 <- "k__Bacteria|p__|c__Clostridia"
trim_common(c(lineage1, lineage2, lineage3), remove_void = FALSE)
trim_common(c(lineage1, lineage2, lineage3), only_tail = FALSE)

Trim lineages until a specified rank

Description

Trim lineages until a specified rank

Usage

trim_rank(lineage, rank = yatah::all_ranks, same = TRUE)

Arguments

lineage

string. Vector of lineages.
rank

string. One of c("kingdom", "phylum", "class", "order", "family", "genus", "species", "strain") with partial matching.
same

logical. Does the lineage have the same depth? Default to TRUE.

Details

Returns NA if a lineage is not as deep as the specified rank.

Value

The trimmed lineages. Depth could be different among them.

Examples

lineage1 <- "k__Bacteria|p__Verrucomicrobia|c__Verrucomicrobiae"
lineage2 <- "k__Bacteria|p__Firmicutes|c__Clostridia"
trim_rank(c(lineage1, lineage2), rank = "phylum")
trim_rank(c(lineage1, lineage2), rank = "genus")

Trim void ranks in lineages

Description

Trim void ranks in lineages

Usage

trim_void(lineage, same = TRUE, only_tail = FALSE)

Arguments

lineage

string. Vector of lineages.
same

logical. Does the lineage have the same depth? Default to TRUE.
only_tail

Logical. If FALSE (default), void ranks amid lineages and subranks are removed. If TRUE, only final void ranks are removed.

Details

If there is a void rank amid a lineage, deeper ranks will be removed. See the example with lineage3.

Value

The trimmed lineages. Depth could be different among them.

Examples

lineage1 <- "k__Bacteria|p__Verrucomicrobia|c__Verrucomicrobiae|o__|f__"
lineage2 <- "k__Bacteria|p__Firmicutes|c__"
lineage3 <- "k__Bacteria|p__|c__Verrucomicrobiae|o__|f__"
trim_void(c(lineage1, lineage2, lineage3), same = FALSE)
trim_void(c(lineage1, lineage2, lineage3), same = FALSE, only_tail = TRUE)