MIS 0855 Fall 2017 Data Science€¦ · MIS 0855 Fall 2017 –Day 3 –Data, Information, Knowledge...
Transcript of MIS 0855 Fall 2017 Data Science€¦ · MIS 0855 Fall 2017 –Day 3 –Data, Information, Knowledge...
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Min-Seok Pang
Management Information Systems
Fox School of Business, Temple University
Sep. 1st, 2017
MIS 0855 Fall 2017 –
Data Science
Day 3 – Data, Information,
and Knowledge
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2MIS 0855 Fall 2017 – Day 3 – Data, Information, Knowledge
MIS 0855 – Data Science Min-Seok Pang – Sep.01.2017
Data, Information, and Knowledge
We tend to use data and information interchangeably.
Can you think of a difference between data, information, and knowledge?
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3MIS 0855 Fall 2017 – Day 3 – Data, Information, Knowledge
MIS 0855 – Data Science Min-Seok Pang – Sep.01.2017
Data, Information, and Knowledge
Data : Raw, unorganized facts that describe the characters of an event or an object
Information : Data that is processed and organized with meaning and value
Knowledge : Collection of information and data that is useful for decision making
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4MIS 0855 Fall 2017 – Day 3 – Data, Information, Knowledge
MIS 0855 – Data Science Min-Seok Pang – Sep.01.2017
Data – Example
Student Exam Score Attendance
Bob 87 90%
Sue 98 100%
Jack 41 30%
Mary 77 80%
Phillip 65 60%
Steve 88 95%
Helen 72 82%
What information can we find out from this data?
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5MIS 0855 Fall 2017 – Day 3 – Data, Information, Knowledge
MIS 0855 – Data Science Min-Seok Pang – Sep.01.2017
Information – Example
Student Exam Score Attendance
Bob 87 90%
Sue 98 100%
Jack 41 30%
Mary 77 80%
Phillip 65 60%
Steve 88 95%
Helen 72 82%
Exam Analysis:
Mean 75.4
Median 77
Lowest Score 41 (Jack)
Highest Score 98 (Sue)
What knowledge can we discover from this information?
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6MIS 0855 Fall 2017 – Day 3 – Data, Information, Knowledge
MIS 0855 – Data Science Min-Seok Pang – Sep.01.2017
Knowledge – Example
The students who get lower exam scores also have lower attendance.
Student Exam Score Attendance
Bob 87 90%
Sue 98 100%
Jack 41 30%
Mary 77 80%
Phillip 65 60%
Steve 88 95%
Helen 72 82%
Exam Analysis:
Mean 75.4
Median 77
Lowest Score 41 (Jack)
Highest Score 98 (Sue)
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7MIS 0855 Fall 2017 – Day 3 – Data, Information, Knowledge
MIS 0855 – Data Science Min-Seok Pang – Sep.01.2017
Data – Another Example
What kind of information can we get from this data?http://finance.yahoo.com/q/hp?s=CMCSA
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8MIS 0855 Fall 2017 – Day 3 – Data, Information, Knowledge
MIS 0855 – Data Science Min-Seok Pang – Sep.01.2017
Information – Another Example
Comcast stock has risen by 12.8 for the last one year.
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9MIS 0855 Fall 2017 – Day 3 – Data, Information, Knowledge
MIS 0855 – Data Science Min-Seok Pang – Sep.01.2017
Knowledge – Another Example
Comcast has outperformed the Dow-Jones Index by 3.33%-point.
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10MIS 0855 Fall 2017 – Day 3 – Data, Information, Knowledge
MIS 0855 – Data Science Min-Seok Pang – Sep.01.2017
http://www.open-bigdata.com/about/http://www.nickdiakopoulos.com/2011/12/16/data-information-knowledge-visualization/
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11MIS 0855 Fall 2017 – Day 3 – Data, Information, Knowledge
MIS 0855 – Data Science Min-Seok Pang – Sep.01.2017
What Information, Knowledge from Philadelphia Crime Records?