Which of the Following Is One of the Ways in Which Training Can Be Evaluated?

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Quiz 3 - Data Scientific discipline 101

1. Which of the following are parts of the five P'due south of data science and what is the additional P introduced in the slides?

• People
• Purpose
• Product
• Perception
• Process
• Programmability
• Platforms

2. Which of the post-obit are part of the four main categories to acquire, admission, and remember information?

• NoSQL Storage
• Remote Data
• Traditional Databases
• Web Services
• Text Files

3. What are the steps required for data assay?

• Investigate, Build Model, Evaluate
• Classification, Regression, Analysis
• Regression, Evaluate, Classification
• Select Technique, Build Model, Evaluate

four. Of the post-obit, which is a technique mentioned in the videos for edifice a model?

• Investigation
• Validation
• Evaluation
• Analysis

v. What is the first step in finding a right problem to tackle in data science?

• Assess the Situation
• Inquire the Correct Questions
• Define the Trouble
• Define Goals

half dozen. What is the outset step in determining a large data strategy?

• Business concern Objectives
• Collect Data
• Build In-Business firm Expertise
• Organizational Buy-In

7. According to Ilkay, why is exploring data crucial to amend modeling?

Data exploration...

• leads to data understanding which allows an informed analysis of the information.
• enables a description of data which allows visualization.
• enables agreement of general trends, correlations, and outliers.
• enables histograms and others graphs every bit data visualization.

viii. Why is data scientific discipline mainly about teamwork?

• Analytic solutions are required.
• Technology solutions are preferred.
• Data scientific discipline requires a variety of expertise in dissimilar fields.
• Exhibition of marvel is required.

9. What are the ways to address data quality issues?

• Remove outliers.
• Generate best estimates for invalid values.
• Remove data with missing values.
• Information Wrangling
• Merge indistinguishable records.

10. What is done to the information in the preparation phase?

• Retrieve Information
• Select Belittling Techniques
• Build Models
• Identify Information Sets and Query Data
• Understanding Nature of Data and Preliminary Assay

buckleyfliatich.blogspot.com

Source: https://github.com/AlessandroCorradini/University-of-California-San-Diego-Big-Data-Specialization/blob/master/01%20-%20Introduction%20to%20Big%20Data/Quiz%203%20-%20Data%20Science%20101.md