pvca
Bioc currentPrincipal Variance Component Analysis (PVCA)
Release Lineage
Entered 2.12 · Apr 4, 2013
Current · Requires R 4.6
Description
This package contains the function to assess the batch sourcs by fitting all "sources" as random effects including two-way interaction terms in the Mixed Model(depends on lme4 package) to selected principal components, which were obtained from the original data correlation matrix. This package accompanies the book "Batch Effects and Noise in Microarray Experiements, chapter 12.
Test coverage
Line coverage
–
Expression
–
Tests / Examples
–
Functions
1 0 exported
Complexity
16 avg / 16 max
Call network
1 nodes / 0 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
339
Files
7
Compiled share
0%
Has compiled src
No
Language breakdown
API
Exported functions
0
Internal functions
0
Testing & CI
Has tests
No
Test-to-code ratio
0.00
testthat edition
–
CI present
No
CI type
[]
PR gated
No
Docs
Roxygen coverage
–
Health & Security signals
Informational signals; not verdicts.
on.exit coverage
0%
Unsafe pattern score
0
Dep constraint coverage
0%
Secret pattern count
0
Bundled 3rd-party code
2 items
Portability & License
Min R version
2.15.1
System requirements
–
C++ standard
–
License
LGPL (>= 2.0)
License flags
not SPDX, not OSI
History
Versions
27
First release
2013-10-01
Latest release
2026-04-28
Avg cadence
182 days
Cold removal rate
–
Dep drift
1
LOC over versions
Per-file churn detail lives in the source pipeline: https://github.com/r-observatory/bioc-code-metrics.
Topics
Depended on by (3)
Bioconductor (2)
CRAN (1)
People
Jianying LI
Cite
Cite this package
Run in R for the authors' preferred citation:
citation("pvca")Cite the R Observatory
For a number measured here: a download total, a coverage figure, an archival date.
From data release v2026-08-22, which the citation names so these numbers can be found later. More on citing and the projects behind them.