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| {{ target: component-data-transform-external }} |
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| ## transform.xxx:xxx(Object) |
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| Besides built-in transforms (like 'filter', 'sort'), we can also use external transforms to provide more powerful functionalities. |
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| {{ use: partial-data-transform-tutorial-ref() }} |
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| ### type(string) = 'xxx:xxx' |
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| Built-in transform has no namespace (like `type: 'filter'`, `type: 'sort'`). |
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| External transform has namespace (like `type: 'ecStat:regression'`). |
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| ### config(*) |
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| The needed parameters of this data transform. Each type of transform has its own definition of `config`. |
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| {{ use: partial-data-transform-print() }} |
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