달나라 노트

Spark dataframe에 drop method를 적용하면 특정 column을 제거(drop)할 수 있습니다. from pyspark.sql import SparkSession from pyspark.sql.functions import col import pandas as pd spark = SparkSession.builder.getOrCreate() df_test = pd.DataFrame({ 'a': [1, 2, 3], 'b': [10.0, 3.5, 7.315], 'c': ['apple', 'banana', 'tomato'] }) df_spark = spark.createDataFrame(df_test) df_spark.show() df_spark_new = df_spark.drop(df_sp..