Benchmarking in radiology: apples and oranges?

Adding Apples and Oranges

We define a unit system for end-user spreadsheets that is based on the concrete notion of units instead of the abstract concept of types. Units are derived from header information given by spreadsheets. The unit system contains concepts, such as dependent units, multiple units, and unit generalization, that allow the classification of spreadsheet contents on a more fine-grained level than types...

Comparing apples and oranges ...

The most comprehensive and often-cited statistic about the U.S. economy is gross domestic product (GDP), the sum of all goods and services produced in the United States. Estimates of GDP are the featured statistics in the National Income and Product Accounts, the construction of which involves the collection and aggregation of an immense amount of data. In the construction of real GDP, complica...

Comparing apples and oranges.

Apples in Amsterdam and oranges in Leiden

In this journal, Bosch and colleagues report their experience with out-of-hospital cardiac arrest (OHCA) in the Leiden region and report a very high survival rate to discharge of 43 % [1]. They analyse the factors that contributed to this high survival rate. Also, they note that this survival rate in the Leiden region is approximately three times higher than the European average. The factors th...

Comparing Apples to Apples or Apples to Oranges: The Role of Mental Representation in Choice Difficulty

Representation Concrete Representation Abstract Representation Concrete Representation Noncomparable • Comparable Noncomparable • Comparable Comparing Apples to Apples or Apples to Oranges 509 Moreover, we established that this mediation was indeed significant, because the bias-corrected confidence interval (CI) of the bootstrapping mediation test (Preacher and Hayes 2008) did not include zero ...