Spreadsheet errors are pervasive, stubborn, ubiquitous and complex.
Irons (2003)
Spreadsheets contain errors at an alarmingly high rate.
Abraham, et al (2005)
Even obvious, elementary errors in very simple, clearly documented spreadsheets are... difficult to find.
Galletta, et al (1993)
...few incidents of spreadsheet errors are made public and these are usually not revealed by choice.
Kruck & Sheetz (2001)
Every study that has looked for errors has found them... in considerable abundance.
Panko & Halverson (1996)
Spreadsheet development must embrace extensive testing in order to be taken seriously as a profession.
Bock (2016)
A lot of decisions are being made on the basis of some bad numbers.
Ross (1996)
It is now widely accepted that errors in spreadsheets are both common and potentially dangerous.
Nixon & O'Hara (2010)
Spreadsheets are easy to use and very hard to check.
Chen & Chan (2000)
94% of the 88 spreadsheets audited in 7 studies have contained errors.
Panko (2008)
Spreadsheets can be viewed as a highly flexible programming environment for end users.
Abreu, et al (2015)
Never assume a spreadsheet is right, even your own.
Raffensperger (2001)
Spreadsheet shortcomings can significantly hamper an organization's business operation.
Reschenhofer & Matthes (2015)
It is irrational to expect large error-free spreadsheets.
Panko (2013)
Spreadsheets are commonly used and commonly flawed.
Caulkins, Morrison, & Weidemann (2008)
Programmers exhibit unwarranted confidence in the correctness of their spreadsheets.
Krishna, et al (2001)
Spreadsheet errors are still the rule rather than the exception.
Nixon & O'Hara (2010)
Spreadsheets are dangerous to their authors and others.
Durusau & Hunting (2015)
The software that end users are creating... is riddled with errors.
Burnett & Myers (2014)
Overconfidence is one of the most substantial causes of spreadsheet errors.
Sakal, et al (2015)
Spreadsheets have a notoriously high number of faults.
Rust, et al (2006)
Spreadsheets... pose a greater threat to your business than almost anything you can imagine.
Howard (2005)
The results given by spreadsheets are often just wrong.
Sajaniemi (1998)
Untested spreadsheets are riddled with errors.
Miller (2005)
Research on spreadsheet errors is substantial, compelling, and unanimous.
Panko (2015)
Spreadsheets are often hard, if not impossible, to understand.
Mireault & Gresham (2015)
Developing an error-free spreadsheet has been a problem since the beginning of end-user computing.
Mireault (2015)
A significant proportion of spreadsheets have severe quality problems.
Ayalew (2007)
Every study, without exception, has found error rates much higher than organizations would wish to tolerate.
Panko (1999)
Spreadsheet errors... a great, often unrecognised, risk to corporate decision making & financial integrity.
Chadwick (2002)
Errors in spreadsheets are as ubiquitous as spreadsheets themselves.
Colbenz (2005)
Spreadsheet errors have resulted in huge financial losses.
Abraham & Erwig (2007)
Studies have shown that there is a high incidence of errors in spreadsheets.
Csernoch & Biro (2013)
Spreadsheets are extraordinarily and unacceptably prone to error.
Dunn (2010)
Most large spreadsheets have dozens or even hundreds of errors.
Panko & Ordway (2005)
Your spreadsheets may be disasters in the making.
Caulkins, Morrison, & Weidemann (2006)
The issue is not whether there is an error but how many errors there are and how serious they are.
Panko (2007)
Spreadsheets are alarmingly error-prone to write.
Paine (2001)
60% of large companies feel 'Spreadsheet Hell' describes their reliance on spreadsheets.
Murphy (2007)
People tend to believe their spreadsheets are more accurate than they really are.
Caulkins, Morrison, & Weidemann (2006)
The untested spreadsheet is as dangerous and untrustworthy as an untested program.
Price (2006)
1% of all formulas in operational spreadsheets are in error.
Powell, Baker, & Lawson (2009)
Despite being staggeringly error prone, spreadsheets are a highly flexible programming environment.
Abreu, et al (2015)
Errors in spreadsheets... result in incorrect decisions being made and significant losses incurred.
Beaman, et al (2005)
Spreadsheets are the most popular live programming environments, but they are also notoriously fault-prone.
Hermans & van der Storm (2015)
The quality and reliability of spreadsheets is known to be poor.
Bishop & McDaid (2007)
Spreadsheets are more fault-prone than other software.
Kulesz & Ostberg (2013)
Despite overwhelming and unanimous evidence... companies have continued to ignore spreadsheet error risks.
Panko (2014)
Spreadsheets are notoriously error-prone.
Cunha, et al (2011)
Most executives do not really check or verify the accuracy or validity of [their] spreadsheets...
Teo & Tan (1999)
Visualizing parts to a whole in Excel charts

Visualizing parts to a whole in Excel charts

30 November 2017

When you think of visualizing parts to a whole in Excel charts the first thing that's likely to come to mind is the pie chart, or if you're Homer Simpson then you might think of doughnut charts!

Using football as inspiration, let's look at our options for visualizing parts to a whole data using a standard set of football statistics.

Chart types explored in this article include:

  • Pie chart.
  • Doughnut chart.
  • 100% Stacked Column/Bar chart.
  • Stacked area chart.
  • Line chart.
  • Treemap.
  • Sunburst.
  • Layered bar chart.
  • Marimekko.
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