Unit 5 Vocabulary - AP comp sci principles

AP CSP unit 5 - data

Metadata

Data about data

Citizen science

scientific research conducted fully or partly by non scientists/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 a statistical measure that describes the relationship between two things, showing how they tend to change together

Crowdsourcing

the practice of obtaining input or information from a large number of people via the Internet. (Getting info from a large number of people using 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.  (selecting a smaller subset of a dataset for analysis by applying specific criteria to include or exclude certain rows)