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What is the purpose of a Decision Tree algorithm?

What is the purpose of a recommender system?

HND(Data Analytics)

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Answers

1
What is the purpose of a recommender system?
Encrypting user data
Suggesting relevant items based on user behavior
Storing large datasets
Deleting unnecessary data
2
What is the purpose of a Decision Tree algorithm?
To store large datasets
To encrypt data for security
To analyze time series data
To make predictions based on a set of rules
3
Why is Data Cleaning an important step in Big Data Analytics?
It helps in improving data quality for accurate analysis
It removes important data points
It reduces the amount of data stored
It slows down data processing
4
Which statistical test is used to measure the relationship between two variables?
Correlation Analysis
Chi-squared Test
Linear Regression
T-Test
5
What is Hadoop mainly used for?
Data visualization
Large-scale data storage and processing
Cybersecurity
Cloud hosting
6
What is the purpose of Time Series Analysis in Big Data?
Predicting future trends based on historical data
Encrypting sensitive information
Segmenting customer data
Cleaning unstructured data
7
Which of the following is a NoSQL database used in Big Data?
Oracle
MySQL
MongoDB
PostgreSQL
8
Which machine learning method is used for finding hidden structures in data?
Decision Trees
Supervised Learning
Unsupervised Learning
Reinforcement Learning
9
What is Hadoop primarily used for?
Creating mobile applications
Running statistical tests
Managing social media accounts
Storing and processing large-scale data
10
What is the first step in the Big Data Life Cycle?
Data Storage
Business Problem Definition
Modeling
Data Munging