Tableau: Which Chart/Graph?
heat maps
chart used to compare categorical data using color, best to present data dates with lots of categories
bar chart
chart used to compare data across categories; best suited for data that can be split into several groups
maps
chart used to display geocoded data, show how location correlates with trends
gannt chart
chart used to display project schedules, illustrate start and finish dates of steps in a process, show changes in activity over time
highlight table
chart used to draw attention to detailed information, using color to grab viewer's attention while still presenting precise figures
scatterplot
chart used to investigate the relationship between different variables, to see if one variable is a good predictor of another
bullet chart
chart used to quickly compare metrics to goals, "how are we doing"
treemap
chart used to show data with multiple levels of categorization, when a dataset can be broken down in many different ways, nicely embedded inside of a bar chart
candlestick chart
chart used to show financial data; meant specifically for financial analysis; showing metrics about a financial instrument over time
box and whisker plot
chart used to show the distribution of a data set, see how data is skewed and identify outliers
bubble chart
chart used to show the relationship between 3 or more measures
histogram
chart used to understand distribution of your data
line chart
chart used to view trends in data over time
pie chart
chart used well alongside other charts, but not recommended to be used alone
maps
what are bar charts nicely paired with?
the number of wedges
what should you limit when using a pie chart?