replace_values

This function enables the replacement of specified values in a column with new ones. It takes a mapping object, where each key-value pair represents an “old value” -> “new value” transformation. The function scans the column for values that match any of the keys in the mapping object and replaces them with their corresponding new values.

This function is case-sensitive and performs exact matches.

For numeric replacements, it’s important to note that keys in the mapping object need to be strings, even for numeric columns. The function will internally convert these keys into numbers for comparison.

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Usage

The following examples show how the step can be used in a recipe.

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Inputs & Outputs

The following are the inputs expected by the step and the outputs it produces. These are generally columns (ds.first_name), datasets (ds or ds[["first_name", "last_name"]]) or models (referenced by name e.g. "churn-clf").

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Configuration

The following parameters can be used to configure the behaviour of the step by including them in a json object as the last “input” to the step, i.e. step(..., {"param": "value", ...}) -> (output).