Alphabet "A" Glossary for Data Analyst - Beginner

Following are some basic and very important data glossary for Data Analyst:

A/B testing: The process of testing two variations of the same web page to determine which page is more successful at attracting user traffic and generating revenue

Absolute reference: A reference within a function that is locked so that rows and columns won’t change if the function is copied

Access control: Features such as password protection, user permissions, and encryption that are used to protect a spreadsheet

Accuracy: The degree to which data conforms to the actual entity being measured or described

Action-oriented question: A question whose answers lead to change

Administrative metadata: Metadata that indicates the technical source of a digital asset

Aesthetic (R): A visual property of an object in a plot

Agenda: A view of scheduled appointments

Aggregation: The process of collecting or gathering many separate pieces into a whole

Algorithm: A process or set of rules followed for a specific task

Aliasing: The process of temporarily naming a table or column in a query to make it easier to read and write

Alternative text: Text that provides an alternative to non-text content, such as images and videos

Analysis: The process used to make sense of the data collected

Analytical skills: Qualities and characteristics associated with using facts to solve problems

Analytical thinking: The process of identifying and defining a problem, then solving it by using data in an organized, step-by-step manner

Annotation: Text that briefly explains data or helps focus the audience on a particular aspect of the data in a visualization

Anscombe’s quartet: Four datasets that have nearly identical summary statistics but contain different plotted values

Area chart: A data visualization that uses individual data points for a changing variable connected by a continuous line with a filled in area underneath

Argument (R): Information needed by a function in R in order to run

Arithmetic operator: An operator used to perform basic math operations such as addition, subtraction, multiplication, and division

Array: A collection of values in cells

Assignment operator: An operator used to assign values to variables and vectors

Attribute: A characteristic or quality of data used to label a column in a table

Audio file: Digitized audio storage usually in an MP3, AAC, or other compressed format

AVERAGE: A spreadsheet function that returns an average of the values from a selected range

AVERAGEIF: A spreadsheet function that returns the average of all cell values from a given range that meet a specified condition?

It is very important for a Data Analyst to understand these terms while working on any project. Watch this space more for Alphabet "B" glossary.

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