SciPy - Clustering and Distance
If you apply
linkage to a dataset with 7 samples, what will be the shape of the resulting linkage matrix?If you apply linkage to a dataset with 7 samples, what will be the shape of the resulting linkage matrix?
medium📝 Predict Output Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Understand linkage matrix dimensions
The linkage matrix has (n-1) rows and 4 columns, where n is the number of samples.Step 2: Calculate for n=7
For 7 samples, rows = 7 - 1 = 6, columns = 4.Final Answer:
(6, 4) -> Option AQuick Check:
Rows = samples - 1, columns fixed at 4 [OK]
Quick Trick: Linkage matrix shape is (n-1, 4) for n samples [OK]
Common Mistakes:
- Confusing number of rows with number of samples
- Assuming 3 columns instead of 4
- Mixing up rows and columns
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