Error "Singular parameter covariance matrix; cannot estimate parameters"
Article ID: KB0080447
Updated On:
| Products | Versions |
|---|---|
| Spotfire Statistica | 13.0 and higher |
Description
When trying to use regression models to analyze your data, the error message occurs "Singular parameter covariance matrix; cannot estimate parameters"
Possible reasons:
1. Your parameter in the model is more than the sample size you have
2. You have identical data points
Environment
Windows
Resolution
For issue related to Reason #1, try to increase sample size or use less parameters.
For issue related to Reason #2, check data issues.
Issue/Introduction
Error "Singular parameter covariance matrix; cannot estimate parameters"
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