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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 from 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

213,748

Version

8.4

License

GPL-3

Issues

Pull Requests

Stars

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Maintainer

Last Published

June 21st, 2018

Functions in forecast (8.4)

autolayer.mts

Automatically create a ggplot for time series objects
forecast.mts

Forecasting time series
is.constant

Is an object constant?
ocsb.test

Osborn, Chui, Smith, and Birchenhall Test for Seasonal Unit Roots
forecast.mlm

Forecast a multiple linear model with possible time series components
Arima

Fit ARIMA model to univariate time series
forecast

Forecasting time series
gold

Daily morning gold prices
ma

Moving-average smoothing
forecast.modelAR

Forecasting using user-defined model
nsdiffs

Number of differences required for a seasonally stationary series
autoplot.decomposed.ts

Plot time series decomposition components using ggplot
seasonal

Extract components from a time series decomposition
meanf

Mean Forecast
tslm

Fit a linear model with time series components
autoplot.acf

ggplot (Partial) Autocorrelation and Cross-Correlation Function Estimation and Plotting
ggtsdisplay

Time series display
seasonaldummy

Seasonal dummy variables
rwf

Naive and Random Walk Forecasts
ets

Exponential smoothing state space model
fitted.fracdiff

h-step in-sample forecasts for time series models.
CV

Cross-validation statistic
forecast-package

Forecasting Functions for Time Series and Linear Models
is.acf

Is an object a particular model type?
mstl

Multiple seasonal decomposition
autolayer

Create a ggplot layer appropriate to a particular data type
forecast.StructTS

Forecasting using Structural Time Series models
taylor

Half-hourly electricity demand
croston

Forecasts for intermittent demand using Croston's method
autoplot.mforecast

Multivariate forecast plot
tbats

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

Fourier terms for modelling seasonality
forecast.nnetar

Forecasting using neural network models
findfrequency

Find dominant frequency of a time series
getResponse

Get response variable from time series model.
na.interp

Interpolate missing values in a time series
dm.test

Diebold-Mariano test for predictive accuracy
CVar

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

Identify and replace outliers in a time series
is.forecast

Is an object a particular forecast type?
forecast.ets

Forecasting using ETS models
reexports

Objects exported from other packages
ses

Exponential smoothing forecasts
gghistogram

Histogram with optional normal and kernel density functions
ndiffs

Number of differences required for a stationary series
seasadj

Seasonal adjustment
nnetar

Neural Network Time Series Forecasts
forecast.baggedModel

Forecasting using a bagged model
baggedModel

Forecasting using a bagged model
forecast.bats

Forecasting using BATS and TBATS models
ggseasonplot

Seasonal plot
dshw

Double-Seasonal Holt-Winters Forecasting
residuals.forecast

Residuals for various time series models
easter

Easter holidays in each season
tsclean

Identify and replace outliers and missing values in a time series
simulate.ets

Simulation from a time series model
gglagplot

Time series lag ggplots
plot.forecast

Forecast plot
forecast.lm

Forecast a linear model with possible time series components
gas

Australian monthly gas production
subset.ts

Subsetting a time series
plot.ets

Plot components from ETS model
StatForecast

Forecast plot
monthdays

Number of days in each season
ggmonthplot

Create a seasonal subseries ggplot
tsCV

Time series cross-validation
wineind

Australian total wine sales
woolyrnq

Quarterly production of woollen yarn in Australia
plot.Arima

Plot characteristic roots from ARIMA model
msts

Multi-Seasonal Time Series
sindexf

Forecast seasonal index
plot.bats

Plot components from BATS model
thetaf

Theta method forecast
tbats.components

Extract components of a TBATS model
arima.errors

Errors from a regression model with ARIMA errors
arimaorder

Return the order of an ARIMA or ARFIMA model
bats

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

Forecasting using ARIMA or ARFIMA models
bizdays

Number of trading days in each season
checkresiduals

Check that residuals from a time series model look like white noise
accuracy

Accuracy measures for a forecast model
bld.mbb.bootstrap

Box-Cox and Loess-based decomposition bootstrap.
BoxCox

Box Cox Transformation
Acf

(Partial) Autocorrelation and Cross-Correlation Function Estimation
forecast.HoltWinters

Forecasting using Holt-Winters objects
arfima

Fit a fractionally differenced ARFIMA model
auto.arima

Fit best ARIMA model to univariate time series
modelAR

Time Series Forecasts with a user-defined model
BoxCox.lambda

Automatic selection of Box Cox transformation parameter
forecast.stl

Forecasting using stl objects
splinef

Cubic Spline Forecast