Advanced Data Analytics Quiz

What is the primary goal of machine learning according to Tom Dietterich?

• To create graphical models

• To analyze small datasets

• To perform statistical hypothesis testing

• To build computers that can adapt and learn from experience

Which algorithm is mentioned for learning clusters?

• K-means algorithm

• Decision Trees

• Support Vector Machine

• Random Forest

What does statistical learning emphasize?

• Formal statistical inference

• High dimensionality prediction problems

• Data visualization techniques

• Data cleaning methods

What is a key principle of statistical thinking in data science?

• All work occurs in a system of interconnected processes

• Statistical models must be complex

• All data is numerical

• Data should always be normalized

What is the purpose of regression analysis in statistical learning?

• To visualize data

• To evaluate mixture models

• To perform clustering

• To learn simple linear regression models

Which of the following is NOT a characteristic of a good clustering method?

• High intra-class similarity

• Low inter-class similarity

• High computational complexity

• Effective similarity measure

What does the likelihood estimation help to determine?

• The probability of a hypothesis given the data

• The mean of a dataset

• The variance of a dataset

• The correlation between variables

In the context of regression models, what does the least squares fit aim to minimize?

• The complexity of the model

• The number of variables in the model

• The sum of squared differences between observed and predicted values

• The time taken to compute the model