Biostrings
Bioc currentEfficient manipulation of biological strings
Release Lineage
Entered 1.4 · May 17, 2004
Current · Requires R 4.6
Description
Memory efficient string containers, string matching algorithms, and other utilities, for fast manipulation of large biological sequences or sets of sequences.
None published for Bioconductor
Test coverage
Line coverage
–
Expression
–
Tests / Examples
–
Functions
661 65 exported
Complexity
3.8 avg / 39 max
Call network
661 nodes / 848 edges
Test coverage is not measured for Bioconductor packages; nodes fall back to a neutral fill.
Call graph
Open call graph →Lowest coverage
Per-function coverage is not measured for this package yet.
Code
Structure
Lines of code
38,238
Files
222
Compiled share
30.8%
Has compiled src
Yes
Language breakdown
API
Exported functions
167
Internal functions
225
Recent export changes
Testing
Has tests
Yes
Test-to-code ratio
0.30
testthat edition
–
Docs
Roxygen coverage
98.8%
Health & Security signals
Informational signals; not verdicts.
on.exit coverage
–
Unsafe pattern score
0
Dep constraint coverage
44.4%
Secret pattern count
0
Bundled 3rd-party code
2 items
Portability & License
Min R version
4.1.0
System requirements
–
C++ standard
–
License
Artistic-2.0
License flags
SPDX valid, OSI approved
History
Versions
45
First release
2004-08-23
Latest release
2026-08-31
Avg cadence
182 days
Cold removal rate
99.3%
Dep drift
21
LOC over versions
Per-file churn detail lives in the source pipeline: https://github.com/r-observatory/bioc-code-metrics.
Documentation
- Help pages
- 54 (1 internal)
- Examples that run
- 96%50 run in a plain check · 2 hold no code
- Exported functions with examples
- 96%
- Documented parameters
- 84%
- Return-value docs
- 66%
- Help pages citing references
- 19%
Repository practices
Checks run against github.com/bioconductor/biostrings on 2026-10-11.
No development-tooling practices detected in the upstream repository.
Datasets
| Name | Class | Size | Also in |
|---|---|---|---|
| BLOSUM100 | moved_to_pwalign_pkg | 24 × 24 | 2 packages |
| BLOSUM45 | moved_to_pwalign_pkg | 25 × 25 | 2 packages |
| BLOSUM50 | moved_to_pwalign_pkg | 24 × 24 | 3 packages |
| BLOSUM62 | moved_to_pwalign_pkg | 25 × 25 | 3 packages |
| BLOSUM80 | moved_to_pwalign_pkg | 25 × 25 | 2 packages |
| HNF4alpha | – | – | – |
| PAM120 | moved_to_pwalign_pkg | 24 × 24 | 2 packages |
| PAM250 | moved_to_pwalign_pkg | 24 × 24 | 2 packages |
| PAM30 | moved_to_pwalign_pkg | 25 × 25 | 2 packages |
| PAM40 | moved_to_pwalign_pkg | 24 × 24 | 2 packages |
| PAM70 | moved_to_pwalign_pkg | 25 × 25 | 2 packages |
| Phylip | – | – | – |
| hg18chr8_gap | data.frame | 9 × 9 | No other package |
| hg18chrY_gap | data.frame | 13 × 9 | No other package |
| s_1_sequence | data.frame | 1,023 × 1 | No other package |
| yeastSEQCHR1 | vector | 1 element | No other package |
Topics
Depended on by (618)
Show 90 packagesHide 90 packages
Bioconductor (571)
CRAN (47)
Suggested by (76)
People
- Hervé Pagès author maintainer
- Patrick Aboyoun author
- Vince Carey contributor
- Saikat DebRoy author
- Nicolas Delhomme contributor
- Felix Ernst contributor
- Robert Gentleman author
-
Wolfgang Huber
contributor
'matchprobes' vignette
-
Beryl Kanali
contributor
Converted 'MultipleAlignments' vignette from Sweave to RMarkdown
-
Haleema Khan
contributor
Converted 'matchprobes' vignette from Sweave to RMarkdown
- Aidan Lakshman contributor
- Kieran O'Neill contributor
- Valerie Obenchain contributor
- Marcel Ramos contributor
- Albert Vill contributor
-
Jen Wokaty
contributor
Converted 'matchprobes' vignette from Sweave to RMarkdown
- Erik Wright contributor
Cite
Cite this package
Run in R for the authors' preferred citation:
citation("Biostrings")This package has no citation file, so citation() returns this entry built from DESCRIPTION.
Cite the R Observatory
For a number measured here: a download total, a coverage figure, an archival date.
From data release v2026-10-18, which the citation names so these numbers can be found later. More on citing and the projects behind them.