Construct · 1 fields · 1 citations

positive matrix factorization: a standalone construct

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Atmospheric chemistry

a factor model with nonnegative factors weighted by measurement uncertainty, used to apportion pollutant data among sources.

In atmospheric chemistry, positive matrix factorization refers to a factor model with nonnegative factors weighted by measurement uncertainty, used to apportion pollutant data among sources. This meaning comes from Paatero (1994) in Environmetrics.[1]

Unit
Recovery means
Measured by

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Nearby constructs

factor3 fields · 4 citationsjingle · one word, three constructs matrix factorization1 fields · 1 citationsanchor · a standalone construct matrix3 fields · 4 citationsjingle · one word, three constructs

References

Paatero, P., & Tapper, U. (1994). Positive matrix factorization: A non‐negative factor model with optimal utilization of error estimates of data values. Environmetrics, 5(2), 111-126. https://doi.org/10.1002/env.3170050203

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