spark how to create a df code example
Example: 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)