Describe a scenario where PCA might not be a good choice for dimension reduction. What limitation of PCA does your example highlight?
Which metric helps determine how well a data point fits its…
Which metric helps determine how well a data point fits its cluster?
Which assumption does K-Means clustering make?
Which assumption does K-Means clustering make?
What does “support” mean in association rule mining?
What does “support” mean in association rule mining?
The Apriori algorithm is based on which key property?
The Apriori algorithm is based on which key property?
Which of the following clustering methods does not require s…
Which of the following clustering methods does not require specifying the number of clusters in advance?
What does df.describe() in pandas provide?
What does df.describe() in pandas provide?
Which of the following 3-itemsets would be invalid under Apr…
Which of the following 3-itemsets would be invalid under Apriori, given that {M, E}, {E, P}, and {M, P} are frequent 2-itemsets?
What is the role of one-hot encoding in data preprocessing?…
What is the role of one-hot encoding in data preprocessing? Why might label encoding be problematic for some models?
Which tube color is commonly used for blood cultures?
Which tube color is commonly used for blood cultures?