Spreadsheets have a notoriously high number of faults.
Rust, et al (2006)
Spreadsheets are extraordinarily and unacceptably prone to error.
Dunn (2010)
People tend to believe their spreadsheets are more accurate than they really are.
Caulkins, Morrison, & Weidemann (2006)
Spreadsheets are dangerous to their authors and others.
Durusau & Hunting (2015)
Spreadsheet errors have resulted in huge financial losses.
Abraham & Erwig (2007)
Spreadsheets are often hard, if not impossible, to understand.
Mireault & Gresham (2015)
Errors in spreadsheets are as ubiquitous as spreadsheets themselves.
Colbenz (2005)
Spreadsheets... pose a greater threat to your business than almost anything you can imagine.
Howard (2005)
Most executives do not really check or verify the accuracy or validity of [their] spreadsheets...
Teo & Tan (1999)
Never assume a spreadsheet is right, even your own.
Raffensperger (2001)
Spreadsheets are notoriously error-prone.
Cunha, et al (2011)
The untested spreadsheet is as dangerous and untrustworthy as an untested program.
Price (2006)
Spreadsheet development must embrace extensive testing in order to be taken seriously as a profession.
Bock (2016)
The issue is not whether there is an error but how many errors there are and how serious they are.
Panko (2007)
Research on spreadsheet errors is substantial, compelling, and unanimous.
Panko (2015)
Errors in spreadsheets... result in incorrect decisions being made and significant losses incurred.
Beaman, et al (2005)
Spreadsheets are easy to use and very hard to check.
Chen & Chan (2000)
1% of all formulas in operational spreadsheets are in error.
Powell, Baker, & Lawson (2009)
The software that end users are creating... is riddled with errors.
Burnett & Myers (2014)
Spreadsheet shortcomings can significantly hamper an organization's business operation.
Reschenhofer & Matthes (2015)
Spreadsheets are commonly used and commonly flawed.
Caulkins, Morrison, & Weidemann (2008)
Most large spreadsheets have dozens or even hundreds of errors.
Panko & Ordway (2005)
Spreadsheets are alarmingly error-prone to write.
Paine (2001)
Studies have shown that there is a high incidence of errors in spreadsheets.
Csernoch & Biro (2013)
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)
Spreadsheets can be viewed as a highly flexible programming environment for end users.
Abreu, et al (2015)
Spreadsheet errors are pervasive, stubborn, ubiquitous and complex.
Irons (2003)
94% of the 88 spreadsheets audited in 7 studies have contained errors.
Panko (2008)
Spreadsheets are the most popular live programming environments, but they are also notoriously fault-prone.
Hermans & van der Storm (2015)
Developing an error-free spreadsheet has been a problem since the beginning of end-user computing.
Mireault (2015)
Spreadsheet errors are still the rule rather than the exception.
Nixon & O'Hara (2010)
Even obvious, elementary errors in very simple, clearly documented spreadsheets are... difficult to find.
Galletta, et al (1993)
60% of large companies feel 'Spreadsheet Hell' describes their reliance on spreadsheets.
Murphy (2007)
...few incidents of spreadsheet errors are made public and these are usually not revealed by choice.
Kruck & Sheetz (2001)
Untested spreadsheets are riddled with errors.
Miller (2005)
It is now widely accepted that errors in spreadsheets are both common and potentially dangerous.
Nixon & O'Hara (2010)
Every study that has looked for errors has found them... in considerable abundance.
Panko & Halverson (1996)
The results given by spreadsheets are often just wrong.
Sajaniemi (1998)
A significant proportion of spreadsheets have severe quality problems.
Ayalew (2007)
Despite being staggeringly error prone, spreadsheets are a highly flexible programming environment.
Abreu, et al (2015)
The quality and reliability of spreadsheets is known to be poor.
Bishop & McDaid (2007)
Programmers exhibit unwarranted confidence in the correctness of their spreadsheets.
Krishna, et al (2001)
Overconfidence is one of the most substantial causes of spreadsheet errors.
Sakal, et al (2015)
Spreadsheets contain errors at an alarmingly high rate.
Abraham, et al (2005)
Spreadsheets are more fault-prone than other software.
Kulesz & Ostberg (2013)
A lot of decisions are being made on the basis of some bad numbers.
Ross (1996)
It is irrational to expect large error-free spreadsheets.
Panko (2013)
Despite overwhelming and unanimous evidence... companies have continued to ignore spreadsheet error risks.
Panko (2014)
Your spreadsheets may be disasters in the making.
Caulkins, Morrison, & Weidemann (2006)
Excel IFERROR function with formula examples

Excel IFERROR function with formula examples

30 September 2017

The tutorial shows how to use IFERROR in Excel to catch errors and replace them with a blank cell, another value or a custom message.

You will learn how to use the IFERROR function with VLOOKUP and INDEX MATCH, and how it compares to IF ISERROR and IFNA.

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