APCSP Unit 5 Vocabulary

Bar Chart:

A diagram in which the numerical values of variables are represented by the height or length of lines or rectangles of equal width

Big Data

A broad term for datasets so large or complex that traditional data processing applications are inadequate

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

Histogram

A graphical representation that organizes a group of data points into user-specified ranges

Metadata

Data about data

Open Data

Data that can be freely used, shared and built-on by anyone, anywhere, for any purpose

Scatter plot

A graph in which the values of two variables are plotted along two axes, the pattern of the resulting points revealing any correlation present