Table 3 Comparison of topological preservation between VUMAP and PCA.

From: Research on a multivariate measurement system for polyethylene gas pipelines utilizing a variable weight UMAP model

indicator

PCA

VUMAP

\(\:\varvec{P}\)

Trustworthiness

0.9730±<0.0001

0.9984 ± 0.0001

\(\:P\:<\:0.01\)

Continuity

0.3939±<0.0001

0.7058 ± 0.0047

\(\:P\:<\:0.01\)

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