Tableau field and file

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

 

 

 

 

 

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Origin www.cnblogs.com/binyang/p/11001495.html