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PARAFAC
CHF 49.55
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SKU
94D0Q9A43NR
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Geliefert zwischen Mi., 26.11.2025 und Do., 27.11.2025
Details
High Quality Content by WIKIPEDIA articles! In statistics, parallel factor analysis (PARAFAC) also named canonical decomposition (candecomp) or candecomp/parafac decomposition (CP decomposition) is a multi-way method originating from psychometrics though going back to Hitchcock in 1927. It is a well-used method in chemometrics and associated areas. Multi-way data are characterized by several sets of categorical variables that are measured in a crossed fashion. Chemical examples could be fluorescence emission spectra measured at several excitation wavelengths for several samples, fluorescence lifetime measured at several excitation and emission wavelengths or any kind of spectrum measured chromatographically for several samples. Determining such variables will give rise to three-way data; i.e., the data can be arranged in a cube instead of a matrix as in standard multivariate data sets. The PARAFAC model may be solved by alternating least squares. PARAFAC may suffer from degeneracy.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786130503864
- Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
- EAN 9786130503864
- Format Fachbuch
- Titel PARAFAC
- Herausgeber Betascript Publishing
- Anzahl Seiten 112
- Genre Mathematik
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