Databricks Certified Machine Learning Associate
The Databricks Certified Machine Learning Associate certification exam assesses an individual’s ability to use Databricks to perform basic machine learning tasks. This includes an ability to understand and use Databrick…
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A data scientist has created two linear regression models. The first model uses price as a label variable and the second model uses log(price) as a label variable. When evaluating the RMSE of each model by comparing the label predictions to the actual price values, the data scientist notices that t…
The data scientist failed to exponentiate the predictions in the second model prior to computing the RMSE
A data scientist has a Spark DataFrame spark_df. They want to create a new Spark DataFrame that contains only the rows from spark_df where the value in column price is greater than 0. Which of the following code blocks will accomplish this task?
spark_df.filter(col("price") > 0)
A data scientist wants to tune a set of hyperparameters for a machine learning model. They have wrapped a Spark ML model in the objective function objective_function and they have defined the search space search_space. As a result, they have the following code block: Which of the following changes…
Change SparkTrials() to Trials()
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