Сравнение на методи
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| Конфирматорният факторен анализ (КФА)× | Анализ на главните компоненти× | |
|---|---|---|
| Област≠ | Статистика | Машинно обучение |
| Семейство≠ | Latent structure | Machine learning |
| Година на възникване≠ | 1969 | 2002 |
| Създател≠ | Karl Jöreskog | Jolliffe, I.T. (textbook); Pearson & Hotelling (origins) |
| Тип≠ | Confirmatory latent variable model | Unsupervised dimensionality reduction |
| Основополагащ източник≠ | Brown, T. A. (2015). Confirmatory Factor Analysis for Applied Research (2nd ed.). The Guilford Press. ISBN: 978-1462515363 | Jolliffe, I.T. (2002). Principal Component Analysis (2nd ed.). Springer. DOI ↗ |
| Други названия≠ | Doğrulayıcı Faktör Analizi (CFA), confirmatory factor analysis, measurement model | Temel Bileşenler Analizi (PCA), PCA, principal components analysis, Karhunen-Loève transform |
| Свързани≠ | 4 | 3 |
| Резюме≠ | Confirmatory factor analysis tests whether a researcher-specified factor structure fits the observed data. Formalised by Karl Jöreskog in 1969, it is the measurement-model step within structural equation modelling and is the standard tool for validating the factorial structure of scales and questionnaires before comparing groups or estimating latent relationships. | Principal Component Analysis (PCA) is an unsupervised dimensionality-reduction method — given its modern textbook treatment by Ian Jolliffe (2002) — that compresses high-dimensional data into fewer dimensions while preserving the maximum possible variance. It re-expresses correlated variables as a small set of uncorrelated principal components ordered by how much of the data's variation each one captures. |
| ScholarGateНабор от данни ↗ |
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