DS321-BIG DATA (1)
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What is the correct way to convert a Spark DataFrame to a Pandas DataFrame?
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What is the main focus of data manipulation with Spark DataFrames?
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What does the `select` method in a Spark DataFrame do?
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Which method is used to count distinct values in a Spark DataFrame column?
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What does the `groupBy` method followed by `agg` do in a Spark DataFrame?
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What type of plot is created to visualize a linear model?
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What is the primary purpose of Spark DataFrames in big data analysis?
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Which operation removes duplicate rows from a Spark DataFrame?
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Which Spark DataFrame operation is used to display basic statistics like mean and count?
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In Spark, what is the purpose of the `toPandas()` method when creating visualizations?
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