Category: spark

Spark User full article

PySpark @ Freshers.in

PySpark function that is used to extract the quarter from a given date.

The quarter function in PySpark is used to extract the quarter from a given date, aiding in the analysis and…

Continue Reading PySpark function that is used to extract the quarter from a given date.
PySpark @ Freshers.in

Raising each element of a column to the power of a specified value in PySpark

In PySpark, the pow function is used to raise each element of a column to the power of a specified…

Continue Reading Raising each element of a column to the power of a specified value in PySpark
PySpark @ Freshers.in

Dividing an ordered dataset into a specified number of approximately equal segments using PySpark

The ntile function in PySpark is used for dividing an ordered dataset into a specified number of approximately equal segments,…

Continue Reading Dividing an ordered dataset into a specified number of approximately equal segments using PySpark
PySpark @ Freshers.in

How to find the date of the first occurrence of a specified weekday after a given date.

PySpark, the Python API for Apache Spark, offers a plethora of functions for handling big data efficiently. One such function…

Continue Reading How to find the date of the first occurrence of a specified weekday after a given date.
PySpark @ Freshers.in

Replacing NaN (Not a Number) values with a specified value in a column : nanvl

The nanvl function in PySpark is used to replace NaN (Not a Number) values with a specified value in a…

Continue Reading Replacing NaN (Not a Number) values with a specified value in a column : nanvl
PySpark @ Freshers.in

Computing the average value of a numeric column in PySpark

The mean function in PySpark is used to compute the average value of a numeric column. This function is part…

Continue Reading Computing the average value of a numeric column in PySpark
PySpark @ Freshers.in

Concatenating two or more maps into a single map : map_concat

The map_concat function in PySpark is designed to concatenate two or more maps into a single map. It merges key-value…

Continue Reading Concatenating two or more maps into a single map : map_concat
PySpark @ Freshers.in

Removing leading spaces (spaces on the left side) from a string in PySpark

PySpark, a leading tool in big data processing, provides several functions for string manipulation, one of which is ltrim. This…

Continue Reading Removing leading spaces (spaces on the left side) from a string in PySpark
PySpark @ Freshers.in

Adding a new column to a DataFrame with a constant value

The lit function in PySpark is a straightforward yet powerful tool for adding constant values as new columns in a…

Continue Reading Adding a new column to a DataFrame with a constant value
PySpark @ Freshers.in

Finding the position of a substring within a string using PySpark

pyspark.sql.functions.locate PySpark, a tool for handling large-scale data processing, offers a plethora of functions for string manipulation, one of which…

Continue Reading Finding the position of a substring within a string using PySpark