AI600 ML Son Değerlendirmeler

1-What is the name of the model given in the image below?

Centroid-based Clustering
Hierarchical Clustering
Distribution-based Clustering
Density-based Clustering

2-Which of the following options is correct?

In the Elbow method, we are trying to see the elbow shaped decrease in the line chart.
We can choose k (number of clusters) with the mean of the Silhouette Score.
All of the above
None of the above

3-To which of the following options does the given graph belong to?

K Means
Mini Batch K Means
Hierarchical Clustering
None of the above

4-According to the table, which of the following represents Gini(Sunny) value?

0.52
0.324
0.314
0.312

5. In the image below, which would be the best value for k assuming that the algorithm you are using is k-Nearest Neighbor.

20
10
50
3

6-How do you handle missing or corrupted data in a dataset?

Drop missing rows or columns
Replace missing values with mean/median/mode
Assign a unique category to missing values
All of the above

7-Which of the following plots would you not expect to see as a plot of training and test error curves?

8-Precision in the confusion matrix is calculated as …

(True Positives) / (True Positives + False Negatives)
(True Positives) / (True Positives + True Negatives)
(True Positives) / (False Positives + True Positives)
(True Positives) / (False Positives + True Negatives)

9-What is the depth of the tree given above?

2
3
4
5

10-For regression models in the scikit-learn library, “.score()” method returns the …

Confusion Matrix
Accuracy
Coefficient of Determination
Mean Squared Error