Tableau-Stack

Visual Analysis

• Acquire data
• Filter
• Enhance the data
• Tune it
• Deliver the data (visualization)

"Visual analysis means exploring data visually. A story unfolds as you navigate from one visual summary to other"

• story unfolding

Visual Perception

• simplicity is the essence of clear communication

Tableau Product family

• Tableau Desktop (author/create)
• Tableau reader
• Tableau Public (free hosted soln)
• Tableau Server (self hosted, BI server)
• Tableau Online - paid Saas Soln

Connecting to Data

• file based -- excel csv txt file
• server based -- google analytics
• big data source-- hadoop big query

Data Terminology

• connection data source
• Dimensions (attributes) context level detail
• Hierarchy -- drill down attributes
• Calculation -- equal sign indicator
• Measures -- aggregates

Dimensions

• String Numbers DateTime Groups(what if analysis) Bins(histogram range of values)

Measures

• numbers calculations generated fields

Sets and Parameters

• collection of dimension members
• Parameters - independent variable that allow user input

View Terminology

• Marks -- something drawn on the page

• Marks Card or shelf -- Color -- Size -- label -- detail -- tooltip

• filters

• pills (blue/green)

• blue pills are discrete no relation , levels of detail

• gree pills are continuous