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CertNexus Exam AIP-210 Topic 6 Question 38 Discussion

Actual exam question for CertNexus's AIP-210 exam
Question #: 38
Topic #: 6
[All AIP-210 Questions]

The graph is an elbow plot showing the inertia or within-cluster sum of squares on the y-axis and number of clusters (also called K) on the x-axis, denoting the change in inertia as the clusters change using k-means algorithm.

What would be an optimal value of K to ensure a good number of clusters?

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Suggested Answer: B

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by Rosalind at Feb 09, 2025, 02:15 AM

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Shantay
12 days ago
Hmm, the elbow plot seems to be telling us something, but I'm just too busy thinking about my next snack break to figure it out. I'll go with C) 5 and hope for the best. *munches on a cookie*
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Yolando
13 days ago
Ooh, I love a good elbow plot! I think 2 clusters would be the best choice here. After all, sometimes less is more, and who doesn't love a good ol' binary classification? *grins*
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Dylan
21 days ago
Ah, the age-old question of how many clusters is enough. Based on the elbow plot, I'd say 9 clusters would be the way to go. Go big or go home, am I right? *chuckles*
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Donette
1 months ago
Hmm, I'm not sure. The elbow plot can be a bit tricky to interpret. I'm gonna go with 5 just to be safe. More clusters means more insights, right? *winks*
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Shannan
8 days ago
User 2: I agree, 5 seems like a safe bet for a good number of clusters.
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Iesha
15 days ago
User 1: I think 5 is a good choice. More clusters can give us more insights.
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Eric
2 months ago
I think the optimal value of K would be 3. The elbow plot shows a clear bend in the curve at K=3, indicating that adding more clusters beyond that point doesn't significantly improve the inertia.
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Dominga
26 days ago
I think K=5 could also be a good choice, as there is a slight bend in the curve at that point.
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Justine
30 days ago
I agree, K=3 seems to be the optimal value based on the elbow plot.
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Gladys
2 months ago
I would go with K=5, as it seems to have a significant change in inertia.
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Roosevelt
2 months ago
I agree with Aileen, K=3 makes sense based on the elbow plot.
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Aileen
2 months ago
I think the optimal value of K should be 3.
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