Data Visualization techniques Flashcards
What is a correlation matrix used for?
It shows relationships between multiple variables using correlation coefficients.
How should a correlation matrix be visualized for clarity?
Use color coding and include a clear legend.
What does a waterfall chart represent?
It illustrates cumulative changes over time, often used for financial data like revenue impacts.
What is the purpose of a box and whisker plot?
It shows data distribution, quartiles, and outliers.
When is a timeline visualization useful?
When representing events or milestones in chronological order, such as project development milestones.
What is a choropleth map used for?
It displays data across geographic regions using color variations, such as population density by state.
What is the best practice when designing a choropleth map?
Use a clear legend and avoid too many shades to maintain clarity.
What is the function of a Gantt chart?
It tracks project progress, showing tasks along the y-axis and time along the x-axis.
What are best practices for designing a Gantt chart?
Use color coding for task phases and ensure clarity in time scaling.
Which visualization technique is best suited for identifying potential project delays?
A Gantt chart.
