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Questions and Answers
What is Data Science?
What is Data Science?
The extraction of knowledge from data through scientific methods, processes, algorithms, and systems from structured and unstructured data.
What does Drew Conway's Venn diagram represent?
What does Drew Conway's Venn diagram represent?
The combination of different skill sets needed for data science, including hacking skills, mathematics, statistics, and domain knowledge.
Data science is only focused on machine learning.
Data science is only focused on machine learning.
False
Which of the following describes machine learning?
Which of the following describes machine learning?
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Why is machine learning useful?
Why is machine learning useful?
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Data science is the continuation of ________ and predictive analytics.
Data science is the continuation of ________ and predictive analytics.
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Which of the following is an example of data science being applied?
Which of the following is an example of data science being applied?
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Study Notes
Data Science Overview
- Data Science is the process of extracting knowledge from data, representing a continuation of data mining and predictive analytics.
- It's an interdisciplinary field that uses scientific methods, processes, algorithms, and systems to extract knowledge and insights from structured and unstructured data.
- Data Science is closely related to data mining and big data.
Big Data
- A broad term for data sets so large and complex that traditional data processing applications are inadequate.
Data Science Venn Diagram
- Drew Conway's Venn Diagram depicts the intersection of three key skill sets: hacking skills, mathematics & statistics, and substantive expertise.
- The intersection of hacking skills and mathematics & statistics leads to Machine Learning.
- Individuals with substantive expertise and mathematics & statistics skills are typically involved in traditional research.
- The intersection of hacking skills and substantive expertise is considered a "danger zone" because it can lead to seemingly legitimate analyses without a proper understanding of the data or the results.
Machine Learning Definition
- Machine Learning is concerned with the development of algorithms and techniques that allow computers to learn from data and make predictions or decisions.
- It focuses on building computer programs that can learn, often involving computational output based on statistical theory.
Why Use Machine Learning?
- It’s beneficial when human expertise is unavailable or difficult to articulate as a set of rules.
- It enables the adaptation of solutions automatically, such as user personalization.
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Description
Explore the fundamental aspects of Data Science, including its role in extracting insights from both structured and unstructured data. Learn about the importance of Big Data and the skills necessary for success in this interdisciplinary field, as depicted in Drew Conway's Venn Diagram.