Exploring and Analyzing Data Flashcards

Which Tableau feature allows you to see the underlying data records for a specific mark in a visualization?

Answer: View Data

View Data lets you inspect the underlying rows that make up a selected mark.

What does a reference band in Tableau represent?

Answer: A shaded region between two reference lines used to highlight a value range

A reference band shades the area between two constant, average, or computed boundary values on an axis.

When using a dual-axis chart in Tableau, what must you do to align the two axes scales?

Answer: Select 'Synchronize Axis' from the axis context menu

Synchronize Axis ensures both axes share the same scale range for accurate visual comparison.

Which Tableau analytics feature groups marks into clusters based on statistical similarity?

Answer: Clustering

The Clustering feature uses k-means to automatically group marks with similar measure values.

In Tableau, what is the purpose of a 'Scope' setting in a table calculation?

Answer: It defines which dimension partitions the calculation versus which it computes along

Scope (Partition/Address) controls which fields define independent groups and which the calculation traverses.

What does the WINDOW_AVG() function compute in a Tableau table calculation?

Answer: The average of a measure across a defined window of rows or columns

WINDOW_AVG() returns the mean of a measure over the partition defined by the table calculation's addressing.

Which of the following best describes a 'Mark' in Tableau?

Answer: A single data point or aggregated data element rendered visually in the view

A mark is the visual encoding of one or more data values — it could be a bar segment, circle, line node, or other shape.