Databricks Certified Machine Learning - Associate
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A data scientist has developed a two-class decision tree classifier using Spark ML and computed the predictions in a Spark DataFrame preds_df with the schema: prediction DOUBLE, actual DOUBLE. Which of the following code blocks correctly computes the model's accuracy from preds_df and assigns it to the accuracy variable?
A data scientist has developed a two-class decision tree classifier using Spark ML and computed the predictions in a Spark DataFrame preds_df with the schema: prediction DOUBLE, actual DOUBLE. Which of the following code blocks correctly computes the model's accuracy from preds_df and assigns it to the accuracy variable?
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