DATASET'24 Quizz (Round 1)

Quiz
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Computers
•
University
•
Medium
Sudeep Makindar P 24BDS1145
Used 5+ times
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is the main purpose of data normalization?
To convert all features to the same scale
To create new features from the existing ones
To handle missing data
To remove outliers from the dataset
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the role of the "learning rate" in machine learning algorithms?
It determines how fast the model is trained
It controls the amount of data to be used for training
It determines the number of iterations in the training process
It controls the step size while updating weights during training
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following algorithms is best suited for large datasets with many features?
K-Means Clustering
Logistic Regression
Decision Trees
Support Vector Machines (SVM)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the purpose of the "fit()" method in Scikit-learn?
To predict outcomes using a trained model
To initialize a machine learning model
To train the model on the data
To evaluate the model's performance
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the main objective of data preprocessing in data science?
To increase the complexity of the dataset
To remove irrelevant data
To reduce the dataset size
To make the data suitable for analysis
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a decision tree model, what does a "node" represent?
A splitting rule or condition
A data point in the training set
The final output of the model
A hyperparameter of the algorithm
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a Random Forest, what does "bagging" refer to?
The process of dividing the dataset into training and testing sets
Using a bootstrap sample of the training data to build each tree
Combining results of decision trees in a hierarchical manner
Regularizing the decision trees to avoid overfitting
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