datacomparison
nounUK /ˈdeɪtə kəmˌpærɪsən/
US /ˈdeɪtə kəmˌpɛrɪsən/
Looking at two sets of facts side by side to see how they are alike or different.
The teacher did a datacomparison of our test scores to see who improved.
RELATED WORDS
OTHER MEANINGS
2. A computer process that checks two lists of information to find matches or differences.
The program ran a datacomparison to spot duplicate names in the list.
3. The act of reviewing two datasets to make sure they agree.
Before the report, she did a datacomparison of the old and new files.
4. A way to measure how similar two groups of numbers are.
Their datacomparison showed the two classes had almost the same average score.