Data Visualization and Chart Types Flashcards

In Spotfire, what is a 'Parallel Coordinate Plot' primarily used for?

Answer: Visualizing multi-dimensional data across multiple axes

A parallel coordinate plot renders each variable as a vertical axis and draws a polyline per data row to reveal multivariate patterns.

When would you use a 'Waterfall chart' in Spotfire?

Answer: To illustrate cumulative effect of sequential positive/negative values

Waterfall charts show how an initial value is affected by a series of intermediate positive or negative values.

What does 'Color By' configuration in a Spotfire visualization control?

Answer: The color scheme used to encode a data column's values visually

'Color By' maps a data column to color, letting you visually distinguish categories or encode continuous values.

Which Spotfire chart type is most effective for displaying the composition of a whole across categories?

Answer: Stacked bar chart

A stacked bar chart shows part-to-whole relationships by stacking category segments within each bar.

In Spotfire, what is the 'Marking' feature used for in visualizations?

Answer: Interactively selecting and highlighting data points across multiple visualizations

Marking lets users select data points in one visualization and see those same rows highlighted across all linked visualizations.

What is the purpose of the 'Size By' encoding in a Spotfire scatter plot?

Answer: Maps a numeric column to the size of each data point marker

'Size By' encodes a numeric measure as the physical size of each marker, creating a bubble-like effect.