Curated issues

R Good First Issues

Browse open source issues tagged with R in the issue metadata. Results stay focused on work that can become public contribution evidence.

What this list is like

Average annotated difficulty: 3.7/5 across 28,381 issues.
12% of 28,381 time estimates are one day or less.

About R

A statistics-first language (1993) with the CRAN package ecosystem, and the working language of data analysis and biostatistics.

Beginner friendly Everything

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Support zstd-compressed package archives: CRAN's current macOS binaries fail with "unknown archive type" Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

r-lib/pkgdepends#485 · 3 comments · Opened Sep 20, 2026
entrez_fetch(parsed = TRUE) checks rettype "gpc" but parse_response() handles "gbc" Open

Difficulty 1/5 Under an hour Newbie friendliness 92/100

ropensci/rentrez#228 · Opened Sep 20, 2026
entrez_search() documents retmode as defaulting to json, but it defaults to xml Open

Difficulty 1/5 Under an hour Newbie friendliness 92/100

ropensci/rentrez#224 · Opened Sep 20, 2026
entrez_search(retmode = "json", use_history = TRUE) returns an empty web_history Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

ropensci/rentrez#223 · 1 comment · Opened Sep 20, 2026
NCBI no longer returns a pubmed_mesh_major link category Open

api-change bug

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

ropensci/rentrez#219 · Opened Sep 20, 2026
Nobody is told to clone the repository, and data/ means two different directories Open

beginners blocker

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

naturalis/DABDGE#17 · 1 comment · Opened Sep 19, 2026
Two R installations: conda R versus the RStudio from week 1 Open

beginners blocker environment

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

naturalis/DABDGE#8 · Opened Sep 19, 2026
enviPathR Open

Build Error Build OK Build Warning policies-accepted pre-review precheck-passed

Difficulty 1/5 Under an hour Newbie friendliness 84/100

Bioconductor/BiocContributions#207 · 6 comments · Opened Sep 19, 2026
Consider adding stacked and dodged bar plots Open

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

datacarpentry/semester-biology#1255 · Opened Sep 19, 2026
`round_coordinates()` precision check is bypassed by negative decimal latitudes Open

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

inbo/camtrapdp#223 · Opened Sep 19, 2026
find_all_events() requires plyranges to be explicitly loaded Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

thelovelab/splicelogic#2 · Opened Sep 19, 2026
biomarker_value pattern rejects negatives, scientific notation and <0.01 Open

schema

Difficulty 1/5 Under an hour Newbie friendliness 88/100

waldronlab/curatedMetagenomicDataCuration#165 · Opened Sep 18, 2026
age_group: dictionary says NCIT:C17600, curators used NCIT:C49685 Open

schema

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

waldronlab/curatedMetagenomicDataCuration#163 · Opened Sep 18, 2026
logsumexp returns NaN for all-impossible or positive-infinite terms Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

sims1253/bayesfam#33 · 1 comment · Opened Sep 18, 2026
dlogistic returns -Inf for finite log densities in the left tail Open

Difficulty 2/5 1-3 hours Newbie friendliness 85/100

sims1253/bayesfam#32 · 1 comment · Opened Sep 18, 2026
dbeta_mean overflows at moderate precision by taking log(gamma(...)) Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

sims1253/bayesfam#30 · 1 comment · Opened Sep 18, 2026
pkumaraswamy uses the wrong sign and power base Open

Difficulty 2/5 1-3 hours Newbie friendliness 90/100

sims1253/bayesfam#26 · 1 comment · Opened Sep 18, 2026
Shifted lognormal/uniform R likelihood is unnormalized and disagrees with Stan Open

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

sims1253/bayesfam#24 · 1 comment · Opened Sep 18, 2026
Lomax posterior_predict samples Gompertz instead of Lomax Open

Difficulty 2/5 1-3 hours Newbie friendliness 90/100

sims1253/bayesfam#22 · 1 comment · Opened Sep 18, 2026
[Bug]: cjfas.csl missing from initial Open

bug triage_needed

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

nmfs-ost/asar#572 · Opened Sep 18, 2026
Update composite cohort description and default value Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

OHDSI/Picard#126 · Opened Sep 18, 2026
osx-arm64 package is broken: build.sh copies source instead of running R CMD INSTALL (no compiled base64url.so) Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

conda-forge/r-base64url-feedstock#13 · 1 comment · Opened Sep 18, 2026
Documentation suggestions of `gsCPFutilitySpending()` Open

Difficulty 2/5 1-3 hours Newbie friendliness 67/100

keaven/gsDesign#346 · Opened Sep 18, 2026
Package 'spef' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

cran-task-views/Survival#73 · Opened Sep 18, 2026
Package 'icRSF' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

cran-task-views/Survival#72 · Opened Sep 18, 2026
Package 'bsam' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

cran-task-views/SpatioTemporal#26 · Opened Sep 18, 2026
Package 'rsat' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

cran-task-views/Spatial#121 · Opened Sep 18, 2026
Package 'rlme' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

cran-task-views/Robust#13 · Opened Sep 18, 2026
Package 'PLMIX' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

cran-task-views/Psychometrics#55 · 1 comment · Opened Sep 18, 2026
Package 'semmcmc' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

cran-task-views/Omics#59 · Opened Sep 18, 2026
Package 'iCARH' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

cran-task-views/Omics#58 · Opened Sep 18, 2026
Package 'aLFQ' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

cran-task-views/Omics#57 · Opened Sep 18, 2026
Package 'rem' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

cran-task-views/NetworkAnalysis#25 · 1 comment · Opened Sep 18, 2026
Package 'mdhglm' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

cran-task-views/MixedModels#94 · Opened Sep 18, 2026
Package 'missSOM' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

cran-task-views/MissingData#62 · Opened Sep 18, 2026
Package 'missCompare' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

cran-task-views/MissingData#61 · Opened Sep 18, 2026
Package 'mimi' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

cran-task-views/MissingData#60 · Opened Sep 18, 2026
Package 'lodi' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

cran-task-views/MissingData#59 · Opened Sep 18, 2026
Package 'brlrmr' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

cran-task-views/MissingData#58 · Opened Sep 18, 2026
Package 'aLFQ' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

cran-task-views/MissingData#57 · Opened Sep 18, 2026
Package 'SCMA' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

cran-task-views/MetaAnalysis#33 · Opened Sep 18, 2026
Package 'rma.exact' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

cran-task-views/MetaAnalysis#32 · Opened Sep 18, 2026
Package 'NMADiagT' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

cran-task-views/MetaAnalysis#31 · Opened Sep 18, 2026
Package 'bspmma' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

cran-task-views/MetaAnalysis#30 · Opened Sep 18, 2026
Package 'hdi' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

cran-task-views/MachineLearning#51 · Opened Sep 18, 2026
Package 'fastshap' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

cran-task-views/MachineLearning#50 · Opened Sep 18, 2026
Package 'CORElearn' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

cran-task-views/MachineLearning#49 · Opened Sep 18, 2026
Package 'waterquality' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

cran-task-views/Hydrology#201 · Opened Sep 18, 2026
Package 'Raquifer' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

cran-task-views/Hydrology#200 · Opened Sep 18, 2026
Package 'hydrogeo' has been archived on CRAN for more than 60 days Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

cran-task-views/Hydrology#199 · Opened Sep 18, 2026

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