IBM SPSS Forecasting

Build Expert Time-series Forecasts -- in a Flash

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  • Overview
  • Features and Benefits

IBM® SPSS® Forecasting (formerly PASW® Forecasting), enables analysts to predict trends and develop forecasts quickly and easily -- without being an expert statistician.

Reliable forecasts can have a major impact on your organization’s ability to develop and implement successful strategies. Unlike spreadsheet programs, IBM SPSS Forecasting has the advanced statistical techniques needed to work with time-series data regardless of your level of expertise.

  • Analyze historical data and predict trends faster, and deliver information in ways that your organization’s decision makers can understand and use
  • Automatically determine the best-fitting ARIMA or exponential smoothing model to analyze your historic data
  • Model hundreds of different time series at once, rather than having to run the procedure for one variable at a time
  • Save models to a central file so that forecasts can be updated when data changes, without having to re-set parameters or re-estimate models
  • Write scripts so that models can be updated with new data automatically

IBM SPSS Forecasting offers a number of capabilities that enable both novice and experienced users to quickly develop reliable forecasts using time-series data. It is a fully integrated module of IBM SPSS Statistics, giving you all of IBM SPSS Statistics’ capabilities plus features specifically designed to support forecasting.

New to Building Models from Time-series Data?

IBM SPSS Forecasting helps you by:

  • Generating reliable models, even if you’re not sure how to choose exponential smoothing parameters or ARIMA orders, or how to achieve stationarity
  • Automatically testing your data for seasonality, intermittency and missing values, and selecting appropriate models
  • Detecting outliers and preventing them from influencing parameter estimates
  • Generating graphs showing confidence intervals and the model’s goodness of fit

You’re an Experienced IBM SPSS Statistics User?

IBM SPSS Forecasting allows you to:

  • Control every parameter when building your data model
  • Use IBM SPSS Forecasting Expert Modeler recommendations as a starting point or to check your work

Procedures and Statistics for Analyzing Time-series Data

Using IBM SPSS Forecasting with IBM SPSS Statistics Base gives you a selection of statistical techniques for analyzing time-series data and developing reliable forecasts.

Techniques Tailored to Time-series Analysis

IBM SPSS Statistics has the procedures you need to realize the most benefit from your time-series analysis. It generates statistics and normal probability plots so that you can easily judge model fit. You can even limit output to see only the worst-fitting models -- those that require further examination. Automatically generated high-resolution charts enhance your output.

Procedures available in IBM SPSS Forecasting include:

  • TSMODEL - Use the Expert Modeler to model a set of time-series variables, using either ARIMA or exponential smoothing techniques
  • TSAPPLY - Apply saved models to new or updated data
  • SEASON - Estimate multiplicative or additive seasonal factors for periodic time series
  • SPECTRA - Decompose a time series into its harmonic components, which are sets of regular periodic functions at different wavelengths or periods
This data chart illustrates men's clothing sales, raw and seasonally differenced over a 10-year period. Using seasonal difference helps to clarify the relationships within your data.

This data chart illustrates men's clothing sales, raw and seasonally differenced over a 10-year period. Using seasonal difference helps to clarify the relationships within your data.