Talk:Multidimensional scaling
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Something is missing here[edit]
In the section Non-metric multidimensional scaling (NMDS) we find the following:
In contrast to metric MDS, non-metric MDS finds both a non-parametric monotonic relationship between the dissimilarities in the item-item matrix and the Euclidean distances between items, and the location of each item in the low-dimensional space. For NMDS, it is unnecessary to
The paragraph ends abruptly whereupon the article continues:
Let (...) be the dissimilarity between points (...). Let (...) be the Euclidean distance between embedded points (...). Now, for each choice of the embedded points (...) and is a monotonically increasing function (...), define the "stress" function:
I think the part and is a monotonically increasing function could be replaced with the word "let." This sentence seems to describe the caracteristics of the stress function, which is a good idea, but perhaps better demoted until the stress function has actually been defined. 93.160.68.190 (talk) 07:10, 7 August 2023 (UTC)
- The other sentence,
- Now, for each choice of the embedded points (...) and is a monotonically increasing function (...), define the "stress" function:
- I am thinking now it would suffice to delete the word 'is' like this:
- Now, for each choice of the embedded points (...) and a monotonically increasing function (...), define the "stress" function: 85.191.125.4 (talk) 09:30, 7 August 2023 (UTC)
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