R Observatory: Metrics for fable.prophet version 1.0.0

Balamuta, James Joseph

doi:10.5281/zenodo.21843040

fable.prophet

1.0.0Package record

Prophet Modelling Interface for 'fable'

1packages depend

11.3Kdownloads / year

96.4%test coverage

13/13flavors OK

Overview

About

Maintained by Mitchell O'Hara-WildCRAN page ↗GitHub ↗Website ↗Issues ↗

Allows prophet models from the 'prophet' package to be used in a tidy workflow with the modelling interface of 'fabletools'. This extends 'prophet' to provide enhanced model specification and management, performance evaluation methods, and model combination tools.

Changes in 1.0.0

Breaking changes

R >= 4.1.0 and fabletools >= 0.5.0 are now required. Rcpp is no longer attached by this package (prophet still loads it).
tidy() now reports extra regressor estimates as coefficients on the original data scale (additive regressors in units of the response, multiplicative regressors as proportional effects), rather than prophet's internal scaled parameters. Other terms remain on the internal scale, as documented in ?tidy.fbl_prophet.
forecast() no longer forwards ... to prophet::predictive_samples(), which doesn't accept additional arguments. ... is now documented as unused.

New features

Added generate() for prophet models (#4), simulating sample paths (trend including future changepoints, seasonality, holidays and regressors) with normally distributed or, with bootstrap = TRUE, resampled-residual observation noise. Works in-sample and out-of-sample, including with MCMC estimation and transformed responses.
Added refit() for prophet models (#30). By default the estimated parameters are kept and the fitted values, residuals and components are recomputed for the new data; reestimate = TRUE fits the model again on the new data using the original estimation arguments. Prophet cannot be updated incrementally, so there is no stream() method.
growth() now supports type = "flat", for a constant trend without changepoints.
holiday() gains a country argument to include prophet's built-in country holidays (via prophet::add_country_holidays()), with or without a holidays table. tidy() now names (and orders) holiday terms from the fitted model, so country holidays and repeated holiday dates are supported.
season() gains a condition argument (a bare logical column name) for conditional seasonality (via prophet::add_seasonality(condition.name = )). The column must also be present in new_data when forecasting.
prophet() now documents and supports the mcmc.samples and backend arguments (passed to prophet::prophet()) for MCMC estimation and choosing the "rstan" or "cmdstanr" Stan backend. tidy() and glance() summarise MCMC draws by their posterior means.
forecast() now supports times = 0, which returns point forecasts (as degenerate distributions) without simulating sample paths. The times argument is now documented, including its speed and memory trade-off (#26).

Show all changes in 1.0.0Hide the rest of the changes in 1.0.0

Improvements

components() now includes the holidays, extra_regressors_additive and extra_regressors_multiplicative terms when they are present in the model.
Fitted models no longer keep prophet's raw Stan output (stan.fit), reducing model size (#26).
Regressors with non-syntactic names (e.g. log(x) or I(x^2)) are now supported, using make.names() to name them in the model and in tidy() (#32).
Documentation: added "Non-daily data" (#28), "Performance and memory" (#26) and model evaluation sections to ?prophet and the introduction vignette.

Bug fixes

The model is now fit with uncertainty.samples = 0 (previously the argument was misspelt and ignored), so fitting no longer computes unused uncertainty samples.
Removed an unused prediction in forecast() (#33).

From NEWS.md in the release

Install

R (CRAN)pak (dev)Ubuntu (r2u)Fedora (COPR)openSUSE (OBS)

install.packages("fable.prophet", repos = "https://cloud.r-project.org/")

Installs the current CRAN release. Prebuilt binaries on Windows and macOS.

if (!requireNamespace("pak", quietly = TRUE))
  install.packages("pak", repos = "https://cloud.r-project.org/")
pak::pak("mitchelloharawild/fable.prophet")

Development version from mitchelloharawild/fable.prophet. Installs pak first if it is not already available.

Release

# enable cranapt (r2u) if it is not already set up, then install
grep -rqs r2u.stat.illinois.edu /etc/apt/sources.list /etc/apt/sources.list.d/ \
  || curl -fsSL https://raw.githubusercontent.com/eddelbuettel/r2u/master/inst/scripts/add_cranapt_noble.sh | sudo bash
sudo apt install -y r-cran-fable.prophet

Fast Ubuntu binaries via r2u (no compilation). The cranapt setup runs once and is skipped when it is already enabled. We list this channel from recorded r2u download activity rather than from a live index of the repository, so treat it as last known rather than guaranteed.

bspm (used by r2u) also needs make: sudo apt install make

# enable the iucar/cran COPR if it is not already present, then install
ls /etc/yum.repos.d/*iucar*cran*.repo >/dev/null 2>&1 \
  || sudo dnf copr enable -y iucar/cran
sudo dnf install -y R-CRAN-fable.prophet

RPMs from the iucar/cran COPR, rebuilt from CRAN.

For install.packages() integration in R, also: sudo dnf install R-CoprManager

# add the autoCRAN OBS repo (Tumbleweed) if it is missing, then install
zypper -q lr | grep -qi autoCRAN \
  || sudo zypper addrepo https://download.opensuse.org/repositories/devel:/languages:/R:/autoCRAN/openSUSE_Tumbleweed/devel:languages:R:autoCRAN.repo
sudo zypper install -y R-fable.prophet

RPMs auto-built from CRAN on openSUSE OBS (Tumbleweed). We list this channel from recorded autoCRAN download activity rather than from a live index of the repository, so treat it as last known rather than guaranteed.

Health

CRAN checks

13OK

CRAN check page ↗

Slowest check: 6.8 min · r-oldrel-macos-x86_64

Status changes

OK13 OK2026-08-20
ERROR12 OK, 1 ERROR2026-08-18
OK13 OK2026-08-05
NOTE12 OK, 1 NOTE2026-08-01
OK13 OK2026-07-29

Show 5 earlier changesHide 5 earlier changes

ERROR12 OK, 1 ERROR2026-07-27
OK13 OK2026-07-22
ERROR12 OK, 1 ERROR2026-07-18
OK12 OK2026-04-25
NOTE11 OK, 3 NOTE2026-03-10

Advisories

none known

How this is measured·How advisories are found

Documentation

In release 1.0.0

READMEYes · 418 wordsVignettesYes · 1 · dynamicNEWSYes · 100% structured · mentions 1.0.0Citation fileNoWebsiteYes · pkgdown

Help pages: 10includes a package overview page
Examples that run: 43%3 run in a plain check · 4 only when donttest examples are enabled (R CMD check --as-cran)
Exported functions with examples: 100%
Documented parameters: 100%
Return-value docs: 0%
Help pages citing references: 0%

Vignettes (1)

Introduction to the fable interface for prophet HTML

How these are measured

Downloads

11.3K

CRAN downloads in the past year

Rank #3,916 · ~31/day · ~940/mo

Releases R versions

Daily download trend is not available in this view yet.

1.1K30 days

2.4K90 days

11.3K1 year

Compare downloads with other packages →

Also on124 r2u15 autocran90 c2d4u

How downloads are counted

Repository

mitchelloharawild/fable.prophet ↗Account: mitchelloharawild

57Stars

8Forks

0Open issues

0Open PRs

3Releases

167Commits

1Commit identities

167 commits · Last activity 2026-10-11 · 0% stars, 30d · Default branch at 1.0.0.9000, ahead of CRAN 1.0.0 (checked 2026-10-11)

Responsiveness

How these are sampled

PRs merged (all time): not measured
Median days to close, 50 most recently updated closed issues: 18
Median days to close, 50 most recently updated closed PRs: not measured

Stars over time

2025-07-28 · 572026-07-07 · 57

How these are measured

PracticesBeta

14 development-tooling and community-health practices detected across 7 families in the upstream repository

Checks run against github.com/mitchelloharawild/fable.prophet on 2026-10-11.

Continuous integration (2)

GitHub ActionsR CMD check workflow

The R CMD check workflow runs on Linux

Governance and community (4)

Code of conductContributing guideIssue templatesSupport guide

Docs source (4)

README.Rmdpkgdown

GitHub Pages site last deployed 2020-08-20 · The repository has a site deploy workflow

Coverage (1)

Coverage reporting (Codecov)

Show all practicesHide 3 practices

Reproducibility and dev environment (1)

data-raw/

CRAN release process (1)

cran-comments.md

Lint, format, editor (1)

RStudio project

How this is detected·Detection ruleset v3 (2026-09-26)

Dependencies

Declared dependencies

14 external dependencies (excludes base and recommended)

Installing fable.prophet adds 90 packages (49 with compiled code, 81 MB of source tarballs). Heaviest: BH 14 MB, stringi 11 MB, ggplot2 6.0 MB.

Depends (2)

R >= 4.1.0fabletools

Imports (6)

rlang tsibble lubridate prophet dplyr distributional

LinkingTo (0)

none

Suggests (7)

tsibbledata future testthat ggplot2 covr knitr rmarkdown

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

1direct

0indirect

Depends 1

Depends, Imports or LinkingTo, most downloaded first

ForecastingEnsembles

How these are counted

Code & Tests

People & History

People (3)

Mitchell O'Hara-Wild

Author, Maintainer since 0.1.0 (2020)

Ben Letham

Contributor

Prophet library, https://facebook.github.io/prophet/

Sean Taylor

Contributor

Prophet library, https://facebook.github.io/prophet/

Releases (3)

Pick two releases to compare their code metrics.

1.0.0Latest
record
2026-10-11 · current release · diff ↗
0.1.1
record
2026-10-03 · diff ↗
R
R 4.6.0 released · 2026-04-24
R
R 4.5.0 released · 2025-04-11
R
R 4.4.0 released · 2024-04-24
R
R 4.3.0 released · 2023-04-21
R
R 4.2.0 released · 2022-04-22
R
R 4.1.0 released · 2021-05-18
0.1.0
record
2020-08-20
R
R 4.0.0 released · 2020-04-24

Package metadata

First published: 2020-08-20
Total releases: 3 / 6 yrs
License: GPL-3 OSI
Minimum R: ≥ 4.1.0
Download size: 523 KB

Appears in task views

Time Series Analysis

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("fable.prophet")

Format

O'Hara-Wild, M., Letham, B., & Taylor, S. (2026). fable.prophet: Prophet Modelling Interface for 'fable' (Version 1.0.0) [Computer software]. https://doi.org/10.32614/CRAN.package.fable.prophet

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.

Format

APA

Balamuta, J. J. (2026). R Observatory: Metrics for fable.prophet version 1.0.0 [Data set]. HJJB, LLC. Data release v2026-10-18. https://doi.org/10.5281/zenodo.21843040

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.

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