petal-code

Issues somebody may already be working on are listed last. List everything by date

• Organize W-R functions across files

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 3/5 1-2 days Newbie friendliness 55/100

  petal-code/helios#178 · Opened Oct 28, 2026

• Supporting multiple interventions

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  petal-code/helios#175 · Opened Oct 27, 2026

• Add input validation to make_intervention()

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

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

  petal-code/helios#174 · Opened Oct 27, 2026

• Add citations for setting specific ACH values

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

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

  petal-code/helios#173 · Opened Oct 27, 2026

• Undefined index in the NA branch of generate_initial_households_bootstrap()

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

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

  petal-code/helios#166 · Opened Oct 26, 2026

• Link volume_per_person_* and size_per_individual_* by deriving volume from floor area × room height

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  petal-code/helios#165 · Opened Oct 26, 2026

• Change in coverage over time

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 5/5 Over a week Newbie friendliness 30/100

  petal-code/helios#164 · Opened Oct 26, 2026

• Unconfigured ACH silently defaults instead of erroring

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 2/5 1-3 hours Newbie friendliness 55/100

  petal-code/helios#163 · Opened Oct 22, 2026

• Joint targeted coverage ranks locations by p_inf, which crowds out workplaces

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 3/5 1-2 days Newbie friendliness 55/100

  petal-code/helios#162 · Opened Oct 22, 2026

• generate_initial_disease_states() errors when number_initial_E = 0, and can miscount when number_initial_S = 0

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  bug

  Difficulty 2/5 1-3 hours Newbie friendliness 92/100

  petal-code/helios#161 · Opened Oct 15, 2026

• beta_school forced to equal beta_workplace

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 2/5 1-3 hours Newbie friendliness 52/100

  petal-code/helios#153 · Opened Aug 12, 2026

• Add demography into the model

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  high priority medium term

  Difficulty 5/5 Over a week Newbie friendliness 15/100

  petal-code/helios#152 · 1 comment · Opened Jun 6, 2026

• Swap UVC references for eACH

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 3/5 1-2 days Newbie friendliness 48/100

  petal-code/helios#150 · Opened Jun 3, 2026

• Update README

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 1/5 Under an hour Newbie friendliness 52/100

  petal-code/helios#149 · 1 comment · Opened May 29, 2026

• some way of calibrating the model to data

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 5/5 Over a week Newbie friendliness 15/100

  petal-code/helios#140 · Opened Jan 15, 2026

• explicit representation of square footage and the like in more detail

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  petal-code/helios#139 · 1 comment · Opened Jan 15, 2026

• droplet vs aerosol transmission

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 5/5 Over a week Newbie friendliness 15/100

  petal-code/helios#138 · 2 comments · Opened Jan 15, 2026

• more realistic uvc deployment options

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 5/5 Over a week Newbie friendliness 20/100

  petal-code/helios#137 · Opened Oct 6, 2025

• default values for initialisation conditions

  May be free again @cwhittaker1000 claimed this 478 days ago, and no pull request is open. Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  enhancement help wanted high priority

  petal-code/helios#133 · 1 assignee · Opened Jul 8, 2025

• far UVC assignment to square footage across all setting types - check pref for one particular setting type in targeted strategy

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 4/5 3-5 days Newbie friendliness 20/100

  petal-code/helios#126 · Opened Apr 30, 2025

• joint allocation fix to not include households is fine but messy

  May be free again @cwhittaker1000 claimed this 797 days ago, and no pull request is open. Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  high priority

  petal-code/helios#124 · 1 assignee · Opened Aug 22, 2024

• Far UVC coverage for leisure venues?

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 4/5 3-5 days Newbie friendliness 30/100

  petal-code/helios#113 · 1 comment · Opened Jul 23, 2024

• Targetting locations by location-specific riskiness

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 5/5 Over a week Newbie friendliness 20/100

  petal-code/helios#106 · Opened Jul 16, 2024

• Pass `R CMD CHECK`

  May be free again @athowes claimed this 481 days ago, and no pull request is open. Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  petal-code/helios#104 · 1 comment · 1 assignee · Opened Jul 14, 2024

• Solutions to overshooting coverage?

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  petal-code/helios#102 · Opened Jul 14, 2024

• Enable passing in empirical data to bootstrap

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  enhancement

  Difficulty 4/5 1-2 days Newbie friendliness 35/100

  petal-code/helios#100 · Opened Jun 24, 2024

• Agree on notation for far UVC

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  low priority

  Difficulty 2/5 1-3 hours Newbie friendliness 30/100

  petal-code/helios#94 · 4 comments · Opened Jun 8, 2024

• more detailed representation of physical space

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  high priority model-related next steps

  Difficulty 5/5 Over a week Newbie friendliness 15/100

  petal-code/helios#90 · 2 comments · 1 reaction · Opened Jun 3, 2024

• add in individual-level variation in infectiousness

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  low priority model-related

  Difficulty 4/5 3-5 days Newbie friendliness 28/100

  petal-code/helios#87 · 1 comment · Opened Jun 3, 2024

• explicitly capturing overdispersion in the offspring distribution

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  low priority model-related parameter-related

  Difficulty 5/5 Over a week Newbie friendliness 20/100

  petal-code/helios#86 · 1 comment · 1 reaction · Opened Jun 3, 2024

• non-empirical household variable generation creates households with children living on their own

  Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  bug low priority

  Difficulty 5/5 Over a week Newbie friendliness 15/100

  petal-code/helios#44 · 7 comments · Opened Apr 10, 2024

• Add infrastructure to check simulated workplace, schools, leisure are "reasonable"

  May be free again @athowes claimed this 892 days ago, and no pull request is open. Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel
  enhancement

  petal-code/helios#11 · 1 assignee · Opened Mar 27, 2024

• run_simulation() is not reproducible from seed: the leisure draw uses dqrng's own RNG

  Possibly taken A pull request linked to this issue is open or already merged. Open

  ⋯Report a problem with this issue

  • Is something wrong?

  • Already taken
  • Not beginner-friendly
  • Stale or invalid
  • Something else…
  • Send Cancel

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

  petal-code/helios#157 · 1 comment · Opened Oct 13, 2026