# All sparse PCA models are wrong, but some are useful. Part I: Computation of scores, residuals and explained variance

> Research article (Chemometrics and Intelligent Laboratory Systems, 2019) · cited 36× · AI/ML

**Wikidata**: [openalex:W2961479565](https://www.wikidata.org/wiki/openalex:W2961479565)  
**Source**: https://4ort.xyz/entity/all-sparse-pca-models-are-wrong-but-some-are-useful-part-i-computation-of-scores-residuals-and-explained-variance