Data Science: Field Training Quiz

What is the primary goal of data science?

To uncover useful information hidden in data

Which stage of the Data Science Life Cycle involves analyzing data bias, pattern, and distribution?

Data analysis

Which tool is known as an open-source language for statistical computing and graphs?

R studio

What is the primary purpose of a data set in data science?

To verify the ability of a model to generalize Signup and view all the answers

What type of data set includes group of data about a specific topic obtained from different sources?

Multivariate Signup and view all the answers

What does the data processing stage of the Data Science Life Cycle involve?

Cleaning, sorting, and transforming data before storing Signup and view all the answers

What is the primary difference between the 'Validation' and 'Test' datasets?

Validation dataset is used to measure model performance, while the Test dataset contains unknown data for evaluating the model's performance. Signup and view all the answers

What is the main objective of Dimensionality Reduction in machine learning?

To remove irrelevant and redundant information from the data. Signup and view all the answers

In machine learning, what does Transfer Learning involve?

Re-using a pre-trained neural network and adapting it to a similar task. Signup and view all the answers

What is the primary function of Natural Language Processing (NLP) in machine learning?

To enable computers to understand, interpret, and generate human language in a valuable manner. Signup and view all the answers

What is the key purpose of Ensemble Methods in machine learning?

To reduce both bias and variance of a learning model. Signup and view all the answers

What is the main objective of Anomaly Detection in unsupervised learning?

To identify unusual data points or patterns that deviate from normal behavior within a dataset. Signup and view all the answers

What is the purpose of the 'Validation' dataset?

To measure performance of known data against algorithms Signup and view all the answers

Which process involves filtering data from unwanted entries such as irrelevant, duplicated, and missing data?

Data Cleaning Signup and view all the answers

What is the primary objective of supervised learning?

Make predictions based on input and output data Signup and view all the answers

Which machine learning method is used to compress data using fewer numbers?

Dimensionality reduction Signup and view all the answers

What is a key requirement for deep learning to capture non-linear patterns?

Large quantities of data and computer power (GPU) Signup and view all the answers

In which area does machine learning play a role in capturing non-linear patterns?

Word Embedding in natural language processing Signup and view all the answers

What is the primary focus of an adaptable defense system in cybersecurity?

Gaining information about new attacks Signup and view all the answers