Which of the following are parts of the 5 P's of data science and what is the additional P introduced in the slides?
Platforms
Product
Process
People
Perception
Programmability
Purpose
Which of the following are part of the four main categories to acquire, access, and retrieve data?
Text Files
Traditional Databases
Remote Data
NoSQL Storage
Web Services
What are the steps required for data analysis?
Investigate, Build Model, Evaluate
Classification, Regression, Analysis
Select Technique, Build Model, Evaluate
Regression, Evaluate, Classification
Of the following, which is a technique mentioned in the videos for building a model?
Validation
Investigation
Analysis
Evaluation
What is the first step in finding a right problem to tackle in data science?
Define the Problem
Define Goals
Assess the Situation
Ask the Right Questions
What is the first step in determining a big data strategy?
Business Objectives
Build In-House Expertise
Collect Data
Organizational Buy-In
According to Ilkay, why is exploring data crucial to better modeling?
Data exploration... <complete the sentence>
enables understanding of general trends, correlations, and outliers.
enables histograms and others graphs as data visualization.
leads to data understanding which allows an informed analysis of the data.
enables a description of data which allows visualization.
Why is data science mainly about teamwork?
Analytic solutions are required.
Data science requires a variety of expertise in different fields.
Exhibition of curiosity is required.
Engineering solutions are preferred.
What are the ways to address data quality issues?
Remove data with missing values.
Generate best estimates for invalid values.
Merge duplicate records.
Remove outliers.
What is done to the data in the preparation stage?
Retrieve Data
Select Analytical Techniques
Identify Data Sets and Query Data
Understand Nature of Data and Preliminary Analysis.
Build Models
