convert pandas dataframe to spark dataframe
import pandas as pd
from pyspark.sql import SparkSession
filename = <'path to file'>
spark = SparkSession.build.appName('pandasToSpark').getOrCreate()
# Assuming file is csv
pandas_df = pd.read_csv(filename)
spark_df = spark.CreateDataFrame(pandas_df)create spark dataframe from pandas
import numpy as np
import pandas as pd
# Enable Arrow-based columnar data transfers
spark.conf.set("spark.sql.execution.arrow.enabled", "true")
# Generate a pandas DataFrame
pdf = pd.DataFrame(np.random.rand(100, 3))
# Create a Spark DataFrame from a pandas DataFrame using Arrow
df = spark.createDataFrame(pdf)Copyright © 2021 Codeinu
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