Tableau field and supporting documents
Data visualization, a simple and efficient to convey information
Data Visualization advantage
Quickly convey information
Direct focus
Clearly shows that brief relationship
Data Visualization points of interest - say data
mode
The data in some kind of law
relationship
The correlation between the various factors, the relationship between the various graphics
abnormal
Abnormal, extreme data values
Icons convey information efficiently.
Tableau data and file types
Four data types
String
Number
Boolean
data Time
Seven File Types
Workbook: contains no data sources
Packaged workbook contains local data sources
Tableau field operations
Field Grouping
Create a folder field, the field will be meaningful association placed in the same folder
Field Merge
A combination of a plurality of two fields into one field
Field hierarchy drillable
Select multiple fields, usually for the same dimension, right-layered creation
Split field
A plurality of information fields split, try to keep the amount of information fields uniqueness
Calculated Field
Data, the need to create new data fields based on the metadata easy to use. For example, profits, sales, and so on. . .
Calculated using the conventional formula