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