: Use Transform > Prepare Data for Modeling > Automatic to let SPSS handle missing values, outliers, and re-scaling.

: An internet connection is required to launch and use the subscription trial. Key Data Preparation Features to Test Automated Data Preparation

| Tool | Free Option | Best For | |------|-------------|----------| | | Completely free | SPSS-like interface with frequentist & Bayesian tests. | | Jamovi | Completely free | Modern, intuitive, can run SPSS syntax to some extent. | | PSPP | Completely free (GNU) | Open-source clone of SPSS (no chart builder, but similar syntax). | | R + RStudio | Free (learning curve) | Unlimited stats, reproducible research, thousands of packages. | | Python + Pandas/Statsmodels | Free | Automation, large datasets, integration with other workflows. | | IBM SPSS Statistics Subscription | 30-day trial (same as above) | If you need full SPSS but can pay monthly (~$99–$150/month for individual). |

Once your trial expires: