481 27 information representation exercises Message Choosing a representation means deciding what aspects of a dataset are emphasized A wellchosen representation can make obvious answers to certain questions ID: 587648
Download Presentation The PPT/PDF document "1 What happens when you don’t choose t..." is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.
Slide1
1
What happens when you don’t choose to follow convention…Slide2
481 27 information representation exercisesSlide3
Message
Choosing a representation means deciding what aspects of a dataset are emphasized.A well-chosen representation can make obvious answers to certain questions.Slide4
4Slide5
5Slide6
Exercise
Work in small teams (3-4 people).Analyze and compare these four data sets (each data set is the column of x,y pairs).How is each data set similar? How is each data set different?
6Slide7
Anscombe’s Quartet
How to analyze these four data sets?» averages» variances» correlation» linear regression
7Slide8
Anscombe’s Quartet
8Slide9
Choosing what to leave out in a representation is almost as important as choosing what to have in
the representationSlide10Slide11Slide12Slide13Slide14
Message
Choosing a representation means deciding what aspects of a dataset are emphasized.A well-chosen representation can make obvious answers to certain questions.