Machine Learning Data Analyst Free Quiz
61. What is K-means clustering? A clustering algorithm that partitions data into K clusters A regression algorithm A classification algorithm A dimensionality reduction technique Submit 62. What is the main objective of clustering in data analysis? To group similar data points together To predict continuous values To identify outliers To perform data visualization Submit 63. What is the elbow method in K-means clustering? A method to determine the optimal number of clusters A way to measure clustering accuracy A method to handle missing data A technique for scaling features Submit 64. What is an API in the context of data analysis? A set of functions for interacting with a system A visualization tool A method for handling missing data A machine learning model Submit 65. What is feature engineering in machine learning? The process of creating new features from raw data The process of splitting data A method to clean missing