User Guide# Multivariate Analysis When to Use These Methods Available Methods Selecting the Number of Components PRESS Cross-Validation Wold’s Criterion Experimental Strategy Recommendation When to Use This Tool Concepts Quick Start Interpreting the Output Working with Budget Constraints Using Prior Knowledge Domain-Specific Strategies Hard-to-Change Factors Multiple Responses See Also Case studies Latent variable modelling Least squares modelling Design and analysis of experiments Process monitoring Sources and attribution