| A | B |
|---|
| Metadata | data about data |
| Citizen Science | scientific research conducted in whole or part by distributed individuals, many of whom may not be scientists, who contribute relevant data to research using their own computing devices. |
| Cleaning Data | a process that makes the data uniform without changing its meaning (e.g., replacing all equivalent abbreviations, spellings, and capitalizations with the same word). |
| Correlation | a relationship between two pieces of data, typically referring to the amount that one varies in relation to the other. |
| Crowdsourcing | the practice of obtaining input or information from a large number of people via the Internet. |
| Information | the collection of facts and patterns extracted from data |
| Data bias | data that does not accurately reflect the full population or phenomenon being studied |
| Data filtering | choosing a smaller subset of a data set to use for analysis, for example by eliminating / keeping only certain rows in a table |
