facebook/prophet

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Tool for producing high quality forecasts for time series data that has multiple seasonality with linear or non-linear growth.

Stars: 20.4k
Forks: 4.6k
Open beginner issues: 0
Indexed issues: 449
Avg merge: 19h 52m
Merged PRs (30d): 1

Dominant language: Python
License: MIT
Last GitHub push: Aug 27, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue help wanted

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449 open issues indexed

multivariate modeling Open

enhancement

facebook/prophet#49 · 17 comments · 35 reactions · 0 assignees · Indexed Sep 15, 2026
Predict fails with "cannot allocate vector of size..." with large number of prediction points Open

bug help wanted

facebook/prophet#215 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Suppressing Stan optimizer printing in Python Open

facebook/prophet#223 · 39 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Outliers detection Open

enhancement

facebook/prophet#229 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
RMSE in Bayesian Context Open

enhancement

facebook/prophet#281 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Observation Weights Open

enhancement

facebook/prophet#282 · 12 comments · 19 reactions · 1 assignee · Indexed Sep 15, 2026
Rcpp error when using prophet::prophet() instead of library(prophet) Open

bug help wanted

facebook/prophet#285 · 7 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Handling nonstationarity in the changepoint distribution / controlling future trend variance Open

enhancement

facebook/prophet#293 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Trend that saturates on only one end Open

enhancement

facebook/prophet#307 · 18 comments · 6 reactions · 0 assignees · Indexed Sep 15, 2026
Use Negative Binomial or Poisson to handle counts data? Open

enhancement help wanted

facebook/prophet#337 · 14 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Measuring feature importance for additional regressors Open

enhancement

facebook/prophet#361 · 19 comments · 4 reactions · 0 assignees · Indexed Sep 15, 2026
Dynamic seasonality Open

enhancement

facebook/prophet#391 · 9 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Cross validation with other forecasts as regressors Open

enhancement help wanted

facebook/prophet#442 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Create Slack Community / Gitter / mailing list Open

facebook/prophet#465 · 6 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Add shock to the model / parametric extra regressors Open

enhancement

facebook/prophet#565 · 7 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Reference manual for Py version Open

enhancement help wanted

facebook/prophet#619 · 5 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Use own trend model Open

enhancement

facebook/prophet#705 · 23 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Daily seasonality with regular gaps in the time series Open

enhancement

facebook/prophet#749 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
add_country_holidays with lower/upper window Open

enhancement

facebook/prophet#806 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Feature request: support multiple country holidays Open

enhancement

facebook/prophet#909 · 6 comments · 5 reactions · 0 assignees · Indexed Sep 15, 2026
Pandas time series plotting not working Open

facebook/prophet#999 · 13 comments · 46 reactions · 0 assignees · Indexed Sep 15, 2026
Fit error "B[1] is -nan, but most not be nan!" Open

bug

facebook/prophet#1032 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Forcing non-negative additional regressor coefficients Open

enhancement

facebook/prophet#1405 · 49 comments · 11 reactions · 0 assignees · Indexed Sep 15, 2026
How to handle covid-19 shock in the fbprophet Open

facebook/prophet#1416 · 20 comments · 8 reactions · 0 assignees · Indexed Sep 15, 2026
Non-Gaussian likelihoods Open

facebook/prophet#1500 · 15 comments · 6 reactions · 0 assignees · Indexed Sep 15, 2026
Migrate Python package name Open

facebook/prophet#1534 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
holidays - observed vs actual date Open

facebook/prophet#1618 · 5 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Strategies for positive predictions Open

facebook/prophet#1668 · 8 comments · 46 reactions · 0 assignees · Indexed Sep 15, 2026
shape of m.predictive_samples Open

facebook/prophet#1719 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Feature Request: Legends for all plots Open

enhancement good first issue

facebook/prophet#1838 · 2 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
model_to_json raises Object of type 'int64' is not JSON serializable on Model object Open

facebook/prophet#1848 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Does warm start take more time to predict? (using weekly data) Open

facebook/prophet#1853 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Fall back to Newton algorithm is slow Open

facebook/prophet#1854 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Installing Prophet R-Package in Databricks - Is there a faster way? Open

facebook/prophet#1857 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
cross_validation() got an unexpected keyword argument 'cutoffs' Open

facebook/prophet#1862 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
How to reduce iterations of fitting model? Open

facebook/prophet#1863 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 15, 2026
training error in cross-validation / forecast Open

facebook/prophet#1865 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Seed for reproducability Open

facebook/prophet#1866 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Prophet's fit() method cannot handle dates prior to 1728-01-01 Open

enhancement

facebook/prophet#1867 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
the y in the input must be a value?can it be a list?for example,[1,0,1,0,1] Open

facebook/prophet#1869 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
FYI: Improving prophet fit Open

facebook/prophet#1870 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
prophet on Dask: Exception: No module named 'dill' Open

facebook/prophet#1872 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Addition of holiday impact score and custom holidays. Open

facebook/prophet#1873 · 3 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
model predict t-1 value Open

facebook/prophet#1875 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Variable Importance Open

facebook/prophet#1879 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Confidence intervals too wide Open

facebook/prophet#1880 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Pre-train time series models Open

facebook/prophet#1881 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Reading working day price data into time-series format Open

facebook/prophet#1883 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Unable to run cross-validation in parallel mode "processes" Open

facebook/prophet#1884 · 11 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
how to get the same forecast of multiple runs with the same data? Open

facebook/prophet#1885 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026

facebook/prophet

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