Data Visualization and Charting with Tableau

These flashcards cover key vocabulary and concepts related to data visualization with Tableau, chart types, data variables, and strategies for effective data presentation in an educational context.

Tableau

A data visualization tool used for transforming raw data into interactive and understandable visual representations.

Power BI

A business analytics solution from Microsoft that allows you to visualize data and share insights across your organization.

Data Visualization

The graphical representation of information and data, using charts, graphs, and other visual tools to communicate insights.

Categorical Variables

Variables that take on two or more categories or distinct values, such as nominal and ordinal variables.

Numerical Variables

Variables that represent measurable quantities and can be classified as discrete or continuous.

Ordinary Variables

A type of categorical variable that can be sorted and has a logical order, such as rankings.

Nominal Variables

A type of categorical variable that cannot be logically ordered or ranked, such as types of cars.

Discrete Variables

Numerical variables that can only take on distinct, separate values, often counted in whole numbers.

Continuous Variables

Numerical variables that can take on an infinite number of values within a given range, such as height or weight.

Two-Dimensional Charts

Charts that display two data variables on horizontal and vertical axes, enabling comparison.

Live Connection

A direct connection to a data source that reflects real-time changes in the data.

Extract Connection

A copied version of the data from the source that does not update with new information unless refreshed manually.

Data Types in Tableau

The classification of data based on its nature, including text, numeric, date, and geographic types.

Filtering in Charting

The process of excluding certain data values from a visual representation, enabling focused analysis.

Charting Considerations

Key factors to consider when choosing how to visualize data, including the type of data and the audience.

Scatterplot

A type of chart that displays values for typically two variables for a set of data.

Bar Chart

A chart that uses bars of varying lengths to represent values for different categories or groups.

Pie Chart

A circular chart divided into slices to illustrate numerical proportions.

Seasonality

The tendency of certain variables to fluctuate in a predictable pattern based on the time of year.

Tabular Data

Data organized in rows and columns, allowing for easy reading and comparison of values.