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Spreadsheets are used heavily in many business domains around the world. They are easy to use and as such enable end-user programmers to and build and maintain all sorts of reports and analyses. In addition to using spreadsheets for modeling and calculation, spreadsheets are often also used for creating reports and dashboards: combining data from different sources and creating overviews. For this, lookup functions can be used: they search for a value in a range and return a corresponding row or column. Lookup functions are common: according to recent research the VLOOKUP is the fifth most common Excel function. In this paper we investigate the use of lookup functions in more detail. We analyze lookup functions within the newly released Enron spreadsheet corpus. The results show that 1) a minority of 43% of lookup formulas use the default setting where an approximate match may be returned, 2) 77% of approximate matches are used unnecessary and 3) 23% of approximate lookups is problematic: they search over unsorted ranges, while this is specifically advised against in the specification, and might lead to wrong results.
Detecting Problematic Lookup Functions in Spreadsheets
Detecting Problematic Lookup Functions in Spreadsheets
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Dennis Pereira ✔ xeBay xMarktplaats xPayPal
Kim Moeller Bang And Olufsen
Kim Moeller Bang And Olufsen
Dennis Pereira ✔ xeBay xMarktplaats xPayPal
PayPal
Scott Thompson Pay Pal
Scott Thompson Pay Pal
Dennis Pereira ✔ xeBay xMarktplaats xPayPal
Spreadsheets are used heavily in many business domains around the world. They are easy to use and as such enable end-user programmers to and build and maintain all sorts of reports and analyses. In addition to using spreadsheets for modeling and calculation, spreadsheets are often also used for creating reports and dashboards: combining data from different sources and creating overviews. For this, lookup functions can be used: they search for a value in a range and return a corresponding row or column. Lookup functions are common: according to recent research the VLOOKUP is the fifth most common Excel function. In this paper we investigate the use of lookup functions in more detail. We analyze lookup functions within the newly released Enron spreadsheet corpus. The results show that 1) a minority of 43% of lookup formulas use the default setting where an approximate match may be returned, 2) 77% of approximate matches are used unnecessary and 3) 23% of approximate lookups is problematic: they search over unsorted ranges, while this is specifically advised against in the specification, and might lead to wrong results.
Detecting Problematic Lookup Functions in Spreadsheets
Detecting Problematic Lookup Functions in Spreadsheets
icseconf
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Presentació feta a Helsinki el novembre del 2006 a la primera onada de Living Labs a Europa
Cat Lab Helsinki
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mu süda mis pattudest must
1.
Mu süda mis
pattudest must
2.
saab lumest veel
valgemaks
3.
Sest Jeesuse veri
nüüd võib pesta kõik patud ja süüd
4.
Kord kuldseil tänavail
taevas
5.
Käin valgeis säravais
riideis
6.
Ma ootan, mil
koidab see päev
7.
Kui Jeesust Ta
au sees ma näen
8.
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