it’s not about pie when it comes to the facts…
DESCRIPTION
IT’S NOT ABOUT PIE WHEN IT COMES TO THE FACTS…. David Onder, Alison Joseph, John Bradsher. SAIR 2011. 9352 students Master’s Comprehensive Mountain location Residential and Distance. Eye on the pies. Which is the largest in Year 1 - Green, Blue, or Purple?. - PowerPoint PPT PresentationTRANSCRIPT
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IT’S NOT ABOUT PIE WHEN IT COMES TO THE FACTS…David Onder, Alison Joseph, John Bradsher
SAIR 2011
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• 9352 students• Master’s Comprehensive• Mountain location• Residential and Distance
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Eye on the piesWhich is the largest in Year 1 - Green, Blue, or Purple?Which have increased from Year 1 to Year 2?
Year 1 Year 2
NONE!
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Purpose
Conveying information to stakeholders
– What is important?
– What answers are sought?
– What can we learn from this table or graph?
– Is the information easy to decipher?
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Inspiration
Stephen FewEdward
TufteJuice Analytics
Others
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Guiding principles
• Consistency– color– text– layout
• Maximize Data-Ink ratio (Gestalt principles)• Reduce Chartjunk
– Chart type– Use of color
All that glitters is NOT gold!
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Quantitative perception
Very Precise Not Very Precise
Length
2-D Position
Width
Size
Intensity
Blur
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"most quantitative data analysis can be performed quite well ... using only four types of objects"
Points
Lines
Bars
Boxes
Few, 2004, p. 46
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Freshman Applicants, Acceptances & Enrollees
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2005 2006 2007 2008 20090
2,000
4,000
6,000
8,000
10,000
12,000
14,000
4,964 4,830 4,792
7,331
12,325
3,705 3,7053,254
3,743
5,441
1,557 1,568 1,259 1,224 1,555
Applied Accepted Enrolled
Num
ber
of F
resh
men
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2001 2002 2003 2004 2005 2006 2007 2008 2009 20100
2000
4000
6000
8000
10000
12000
14000
16000
3979 41244606 4905 4964 4830 4792
7331
12325
14979
2903 29583392 3738 3705 3705
32543743
5441 5813
1180 1224 1495 1578 1557 1568 1259 1224 1555 1440
Applied Accepted Enrolled
Num
ber
of F
resh
men
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2001 2002 2003 2004 2005 2006 2007 2008 2009 20100
2000
4000
6000
8000
10000
12000
14000
16000
3979 41244606 4905 4964 4830 4792
7331
12325
14979
2903 29583392 3738 3705 3705
32543743
5441 5813
1180 1224 1495 1578 1557 1568 1259 1224 1555 1440
Applied Accepted Enrolled
Num
ber
of F
resh
men
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2001 2002 2003 2004 2005 2006 2007 2008 2009 20100
2000
4000
6000
8000
10000
12000
14000
16000
Applied Accepted Enrolled
Num
ber
of F
resh
men
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2001 2002 2003 2004 2005 2006 2007 2008 2009 20100
2000
4000
6000
8000
10000
12000
14000
16000
Applied Accepted Enrolled
Num
ber
of F
resh
men
We actually didn’t do this, but we probably should have
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2001 2002 2003 2004 2005 2006 2007 2008 2009 20100
2000
4000
6000
8000
10000
12000
14000
16000
Applied Accepted Enrolled
Num
ber
of F
resh
men
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2001 2002 2003 2004 2005 2006 2007 2008 2009 20100
2000
4000
6000
8000
10000
12000
14000
16000Applied
Accepted
Enrolled
Num
ber
of F
resh
men
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2001 2002 2003 2004 2005 2006 2007 2008 2009 20100
2000
4000
6000
8000
10000
12000
14000
16000Applied
Accepted
Enrolled
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Here is the overall
change …
2001 2002 2003 2004 2005 2006 2007 2008 2009 20100
2000
4000
6000
8000
10000
12000
14000
16000AppliedAcceptedEnrolled
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In- State
Out-of-State
In- State
Out-of-State
In- State
Out-of-State
Applied 4,152 812 4,051 779 3,995 797 6,052 1,279 9,502 2,823 Male 1,998 354 1,966 377 1,938 326 2,875 578 4,136 1,151 Female 2,154 458 2,085 402 2,057 471 3,177 701 5,366 1,672
Accepted 3,123 582 3,167 538 2,752 502 3,214 529 4,561 880 Male 1,454 236 1,501 255 1,302 207 1,520 226 2,020 341 Female 1,669 346 1,666 283 1,450 295 1,694 303 2,541 539 % of Applicants Accepted 75 72 78 69 69 63 53 41 58 31
Enrolled 1,438 119 1,459 109 1,150 109 1,128 96 1,422 133 Male 721 59 718 62 553 49 564 40 653 52 Female 717 60 741 47 597 60 564 56 769 81 % of Accepted Enrolling 46 20 46 20 42 22 35 18 26 15
In- State
In- State
Out-of-State
Out-of-State
200920082005 2006 2007
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Here is the overall
change …
In- State
Out-of-State
In- State
Out-of-State
In- State
Out-of-State
Applied 4,152 812 4,051 779 3,995 797 6,052 1,279 9,502 2,823 Male 1,998 354 1,966 377 1,938 326 2,875 578 4,136 1,151 Female 2,154 458 2,085 402 2,057 471 3,177 701 5,366 1,672
Accepted 3,123 582 3,167 538 2,752 502 3,214 529 4,561 880 Male 1,454 236 1,501 255 1,302 207 1,520 226 2,020 341 Female 1,669 346 1,666 283 1,450 295 1,694 303 2,541 539 % of Applicants Accepted 75 72 78 69 69 63 53 41 58 31
Enrolled 1,438 119 1,459 109 1,150 109 1,128 96 1,422 133 Male 721 59 718 62 553 49 564 40 653 52 Female 717 60 741 47 597 60 564 56 769 81 % of Accepted Enrolling 46 20 46 20 42 22 35 18 26 15
In- State
In- State
Out-of-State
Out-of-State
200920082005 2006 2007
Viola!
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In- State
Out-of-State
In- State
Out-of-State
In- State
Out-of-State
Applied 4,152 812 4,051 779 3,995 797 6,052 1,279 9,502 2,823 Male 1,998 354 1,966 377 1,938 326 2,875 578 4,136 1,151 Female 2,154 458 2,085 402 2,057 471 3,177 701 5,366 1,672
Accepted 3,123 582 3,167 538 2,752 502 3,214 529 4,561 880 Male 1,454 236 1,501 255 1,302 207 1,520 226 2,020 341 Female 1,669 346 1,666 283 1,450 295 1,694 303 2,541 539 % of Applicants Accepted 75 72 78 69 69 63 53 41 58 31
Enrolled 1,438 119 1,459 109 1,150 109 1,128 96 1,422 133 Male 721 59 718 62 553 49 564 40 653 52 Female 717 60 741 47 597 60 564 56 769 81 % of Accepted Enrolling 46 20 46 20 42 22 35 18 26 15
In- State
In- State
Out-of-State
Out-of-State
200920082005 2006 2007
Side by side
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Pie and Line charts comparing multiple criteria
Neither is a good option
Aside
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Remember our purpose
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FALL 2009
LOADAND
CLASS
NON-RESIDENT
ALIEN
AFRICAN-AMERICAN
NATIVE AMERICAN ASIAN HISPANIC WHITE TWO OR
MORE UNKNOWN TOTAL
Male Female Male Female Male Female Male Female Male Female Male Female Male Female Male Female Male Female
Full-Time
New Freshmen 6 4 62 54 1 5 2 9 13 17 565 690 1 4 51 65 695 844
Part-Time
New Freshmen 0 0 0 0 0 0 0 0 0 0 4 2 0 0 0 0 4 2
TOTALS 6 4 62 54 1 5 2 9 13 17 569 692 1 4 51 65 705 850
GRAND TOTAL 10 116 6 11 30 1,261 5 116 1,555
RACE, LOAD, AND GENDERFirst-time Freshmen
844
4+2 = 6
1555116
7.5%
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RACE, LOAD, AND GENDERFirst-time Freshmen
New
Male 7 63 15 2 1 4 552 27 10 681 Male 7 63 15 2 1 4 552 27 10 6810.5% 4.4% 1.0% 0.1% 0.1% 0.3% 38.3% 1.9% 0.7% 47.3% 0.5% 4.4% 1.0% 0.1% 0.1% 0.3% 38.3% 1.9% 0.7% 47.3%
Full-Time 7 63 15 2 1 4 548 27 9 6760.5% 4.4% 1.0% 0.1% 0.1% 0.3% 38.1% 1.9% 0.6% 46.9%
Part-Time 0 0 0 0 0 0 4 0 1 50.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.3% 0.0% 0.1% 0.3%
Female 5 49 16 3 0 2 643 27 14 7590.3% 3.4% 1.1% 0.2% 0.0% 0.1% 44.7% 1.9% 1.0% 52.7%
Full-Time 5 49 16 3 0 1 633 27 13 7470.3% 3.4% 1.1% 0.2% 0.0% 0.1% 44.0% 1.9% 0.9% 51.9%
Part-Time 0 0 0 0 0 1 10 0 1 120.0% 0.0% 0.0% 0.0% 0.0% 0.1% 0.7% 0.0% 0.1% 0.8%
Grand Total 12 112 31 5 1 6 1195 54 24 14400.8% 7.8% 2.2% 0.3% 0.1% 0.4% 83.0% 3.8% 1.7% 100.0%
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Without axis break Aside
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As bar chart with axis break Aside
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As bar chart AsideAside
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JUNIOR SENIOR ENROLLMENT
INCLUDING SECOND MAJORS
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http://www.clearlyandsimply.com/clearly_and_simply/2009/06/choropleth-maps-with-excel.html
Geographic DistributionFirst-time Freshmen Enrollment by County
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http://peltiertech.com/WordPress/excel-box-and-whisker-diagrams-box-plots/
HS GPA
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Resources• Edward Tufte (http://www.edwardtufte.com/)
– The Visual Display of Quantitative Information, 2001• Stephen Few (http://www.perceptualedge.com/)
– Show Me the Numbers, 2004– Information Dashboard Design, 2006– Now you see it, 2009
• http://www.extremepresentation.com/design/charts/ • http://www.juiceanalytics.com/chart-chooser/ • Purna Duggirala (http://chandoo.org/wp/ ) – Excel help• Jon Peltier (http://peltiertech.com) – Excel templates
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Contact InformationDavid Onder, Assessment [email protected]
Alison Joseph, Research [email protected]
John Bradsher, Senior Undergraduate Research [email protected]
Office of Institutional Planning and Effectivenessopie.wcu.edu, (828) 227-7239
Special thanks to Stephanie Virgo