영어에서 Prep builder 을 사용하는 예와 한국어로 번역
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Get Started with Tableau Prep Builder.
Tableau Prep Builder supports the following data roles.
This tutorial uses the most current version of Tableau Prep Builder.
In some cases, Tableau Prep Builder might not pick the correct data type.
Note: Tableau Prep version 2019.1.2 had changed its name to Tableau Prep Builder.
Check out the new training videos for Tableau Prep Builder or take an in-person training course.
Tableau Prep version 2019.1.2 had changed its name to Tableau Prep Builder.
In Tableau Prep Builder version 2018.3.1 and later, cleaning operations are available in most steps in your flow.
Note: Tableau Prep version 2019.1.2 had changed its name to Tableau Prep Builder.
You are pleased to see that Tableau Prep Builder uses the same calculation editor language as Tableau Desktop.
Note: Tableau Prep version 2019.1.2 had changed its name to Tableau Prep Builder.
In Tableau Prep Builder version 2018.3.1 and later, you can perform cleaning operations in most step types in your flow.
You could manually change each one, but maybe Tableau Prep Builder has another way to do this?
But this is Tableau Prep Builder, and you decide to check out the drop-down menu to see if there is an option to fix this.
Wildcard union for database tables is available in Tableau Prep Builder version 2018.3.1 and later.
In Tableau Prep Builder version 2018.2.1 and later, you could also perform cleaning operations in the data grid in a cleaning step.
Note: Pivoting columns to rows on multiple groups of fields is not supported in Tableau Prep Builder 2018.1.1.
When you created your join, Tableau Prep Builder automatically joined on the Product ID field, but you wanted to also join on the Order ID field.
Use wildcard search to instantly pivot fields based on a pattern match(Tableau Prep Builder version 2019.1.1 and later).
Tip: Tableau Prep Builder summarizes the data in the Profile pane into bins to help you quickly see the shape of your data, find outliers, spot relationships between fields, and so on.
Because different databases can handle data in different ways, Tableau Prep Builder's interpretation might not always be correct.
In Tableau Prep Builder version 2019.1.1 and later if you work with large data sets or if your data frequently changes over time, you can use a wildcard search when pivoting columns to rows to instantly pivot your data based on a wildcard pattern match.
Editing a pivot that includes pivoted columns on multiple field groups in Tableau Prep Builder version 2018.1.1 can result in errors or unexpected results.
Repeat the steps above to apply any additional changes or ignore the suggested change and use the other cleaning tools in Tableau Prep Builder to address the data problems.
Tip: When you join tables using fields that exist in both files, Tableau Prep Builder will bring in both fields and rename the duplicate field from the second file by adding a"-1" or a"-2" to the field name.
Looking at the Sales field you quickly see that the USD currency code has been included with the sales numbers, and Tableau Prep Builder interpreted these field values as a string.
You can change string or integer data types to Date or Date& Time, and Tableau Prep Builder will trigger Auto DateParse to change these data types.
Corresponding fields have the same name but are a different type: By default,when the name of corresponding fields match but the data type of the fields don't, Tableau Prep Builder will change the data type of one of the fields so they are compatible with each other.