/Python/Create spark dataframe from pandas

Create spark dataframe from pandas

Create spark dataframe in python

spark.createDataFrame(["10","11","13"], "string").toDF("age")

Source: stackoverflow.com

Dataframe pandas to spark

from pyspark.sql import SparkSession
#Create PySpark SparkSession
spark = SparkSession.builder \
    .master("local[1]") \
    .appName("SparkByExamples.com") \
    .getOrCreate()
#Create PySpark DataFrame from Pandas
sparkDF=spark.createDataFrame(pandasDF) 
sparkDF.printSchema()
sparkDF.show()

#Outputs below schema & DataFrame

root
 |-- Name: string (nullable = true)
 |-- Age: long (nullable = true)

+------+---+
|  Name|Age|
+------+---+
| Scott| 50|
|  Jeff| 45|
|Thomas| 54|
|   Ann| 34|
+------+---+

Source: sparkbyexamples.com

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)

Similar codes

8 votes240 views4 answers
Reverse dictionary python
Python
0 vote262 views1 answer
Today's day of the year
Python
4 votes255 views2 answers
Python selenium implicit wait
Python
0 vote254 views1 answer
Python histogram one liners
Python
10 votes279 views3 answers
How to find current age from date of birth in python
Python
1 vote291 views2 answers
Permutation of a string in python
Python
1 vote270 views1 answer
How to select parts of a numpy array
Python
0 vote282 views1 answer
Django content type for model
Python Django
0 vote281 views1 answer
Python red table from pdf
Python
1 vote279 views1 answer
Turn characters to alpgabetic numper python
Python