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forecast

The R package forecast provides methods and tools for displaying and analysing univariate time series forecasts including exponential smoothing via state space models and automatic ARIMA modelling.

Installation

You can install the stable version on R CRAN.

install.packages('forecast', dependencies = TRUE)

You can install the development version from Github

# install.packages("devtools")
devtools::install_github("robjhyndman/forecast")

Usage

library(forecast)
library(ggplot2)

# ETS forecasts
USAccDeaths %>%
  ets %>%
  forecast %>%
  autoplot

# Automatic ARIMA forecasts
WWWusage %>%
  auto.arima %>%
  forecast(h=20) %>%
  autoplot

# ARFIMA forecasts
library(fracdiff)
x <- fracdiff.sim( 100, ma=-.4, d=.3)$series
arfima(x) %>%
  forecast(h=30) %>%
  autoplot

# Forecasting with STL
USAccDeaths %>%
  stlm(modelfunction=ar) %>%
  forecast(h=36) %>%
  autoplot

AirPassengers %>%
  stlf(lambda=0) %>%
  autoplot

USAccDeaths %>%
  stl(s.window='periodic') %>%
  forecast %>%
  autoplot

# TBATS forecasts
USAccDeaths %>%
  tbats %>%
  forecast %>%
  autoplot

taylor %>%
  tbats %>%
  forecast %>%
  autoplot

For more information

License

This package is free and open source software, licensed under GPL (>= 3).

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Version

Install

install.packages('forecast')

Monthly Downloads

202,413

Version

8.1

License

GPL (>= 3)

Issues

Pull Requests

Stars

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Maintainer

Last Published

June 17th, 2017

Functions in forecast (8.1)

arima.errors

Errors from a regression model with ARIMA errors
arimaorder

Return the order of an ARIMA or ARFIMA model
accuracy

Accuracy measures for a forecast model
arfima

Fit a fractionally differenced ARFIMA model
Acf

(Partial) Autocorrelation and Cross-Correlation Function Estimation
Arima

Fit ARIMA model to univariate time series
CV

Cross-validation statistic
CVar

k-fold Cross-Validation applied to an autoregressive model
BoxCox

Box Cox Transformation
BoxCox.lambda

Automatic selection of Box Cox transformation parameter
autolayer.mts

Automatically create a ggplot for time series objects
baggedETS

Forecasting using the bagged ETS method
fitted.fracdiff

h-step in-sample forecasts for time series models.
forecast-package

Forecasting Functions for Time Series and Linear Models
forecast.baggedETS

Forecasting using the bagged ETS method
forecast.bats

Forecasting using BATS and TBATS models
is.constant

Is an object constant?
is.acf

Is an object a particular model type?
auto.arima

Fit best ARIMA model to univariate time series
autolayer

Create a ggplot layer appropriate to a particular data type
ets

Exponential smoothing state space model
findfrequency

Find dominant frequency of a time series
rwf

Naive and Random Walk Forecasts
ndiffs

Number of differences required for a stationary series
seasonaldummy

Seasonal dummy variables
ggseasonplot

Seasonal plot
bld.mbb.bootstrap

Box-Cox and Loess-based decomposition bootstrap.
checkresiduals

Check that residuals from a time series model look like white noise
forecast.fracdiff

Forecasting using ARIMA or ARFIMA models
autoplot.acf

ggplot (Partial) Autocorrelation and Cross-Correlation Function Estimation and Plotting
autoplot.decomposed.ts

Plot time series decomposition components using ggplot
dshw

Double-Seasonal Holt-Winters Forecasting
easter

Easter holidays in each season
forecast.mlm

Forecast a multiple linear model with possible time series components
bats

BATS model (Exponential smoothing state space model with Box-Cox transformation, ARMA errors, Trend and Seasonal components)
bizdays

Number of trading days in each season
croston

Forecasts for intermittent demand using Croston's method
dm.test

Diebold-Mariano test for predictive accuracy
forecast.HoltWinters

Forecasting using Holt-Winters objects
forecast.nnetar

Forecasting using neural network models
forecast.stl

Forecasting using stl objects
fourier

Fourier terms for modelling seasonality
forecast

Forecasting time series
forecast.StructTS

Forecasting using Structural Time Series models
ggmonthplot

Create a seasonal subseries ggplot
forecast.mts

Forecasting time series
StatForecast

Forecast plot
getResponse

Get response variable from time series model.
nnetar

Neural Network Time Series Forecasts
forecast.ets

Forecasting using ETS models
forecast.lm

Forecast a linear model with possible time series components
gghistogram

Histogram with optional normal and kernel density functions
plot.Arima

Plot characteristic roots from ARIMA model
seasadj

Seasonal adjustment
seasonal

Extract components from a time series decomposition
tbats

TBATS model (Exponential smoothing state space model with Box-Cox transformation, ARMA errors, Trend and Seasonal components)
gas

Australian monthly gas production
is.forecast

Is an object a particular forecast type?
ma

Moving-average smoothing
plot.forecast

Forecast plot
gglagplot

Time series lag ggplots
meanf

Mean Forecast
monthdays

Number of days in each season
plot.bats

Plot components from BATS model
ses

Exponential smoothing forecasts
simulate.ets

Simulation from a time series model
tsclean

Identify and replace outliers and missing values in a time series
gold

Daily morning gold prices
msts

Multi-Seasonal Time Series
na.interp

Interpolate missing values in a time series
reexports

Objects exported from other packages
autoplot.mforecast

Multivariate forecast plot
thetaf

Theta method forecast
tsCV

Time series cross-validation
residuals.tslm

Residuals for various time series models
subset.ts

Subsetting a time series
taylor

Half-hourly electricity demand
ggtsdisplay

Time series display
tbats.components

Extract components of a TBATS model
wineind

Australian total wine sales
woolyrnq

Quarterly production of woollen yarn in Australia
plot.ets

Plot components from ETS model
sindexf

Forecast seasonal index
splinef

Cubic Spline Forecast
tslm

Fit a linear model with time series components
tsoutliers

Identify and replace outliers in a time series