This example generates several graphs of sales data that can be accessed from a single Web page. The graphs are two bar charts of summary sales data and three pie charts that break the data down by ...

Basic Graphical Statistics Bar Charts Bar charts are a way to represent categorical data visually, in a horizontal or vertical display. Bars can be single, stacked, or grouped. By looking through the ...

If so, keep reading. These proven best practices will help. To keep things short, I’ve limited my suggestions to the two most commonly used data viz devices: pie charts and bar graphs.

Overview: Real-world messy data shows stronger skills than cleaned sample datasets.Clear project write-ups with charts tell a ...