# ColumnImportance
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A structure containing the column name and column importance score for a column. 

Column importance helps you understand how columns contribute to your model, by identifying which columns in your records are more important than others.

## Contents
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 ** ColumnName **   <a name="Glue-Type-ColumnImportance-ColumnName"></a>
The name of a column.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 255.  
Pattern: `[\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\t]*`   
Required: No

 ** Importance **   <a name="Glue-Type-ColumnImportance-Importance"></a>
The column importance score for the column, as a decimal.  
Type: Double  
Valid Range: Minimum value of 0.0. Maximum value of 1.0.  
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/glue-2017-03-31/ColumnImportance) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/glue-2017-03-31/ColumnImportance) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/glue-2017-03-31/ColumnImportance)