Tag: PySpark
Computing the hypotenuse of a right-angle triangle given the two sides using PySpark. (hypot)
This article provides an in-depth look into the hypot function, accompanied by practical examples. The hypot function in PySpark computes…
Extracting hour component from timestamps using PySpark
This article focuses on the hour function, offering practical examples and scenarios to highlight its relevance. The hour function in…
Converting numbers or binary strings into their corresponding hexadecimal using PySpark.
PySpark provides, the hex function stands out when it comes to data transformations related to hexadecimal representation. This article sheds…
How to computes the inverse tangent (arc tangent) of a value using PySpark : trigonometric computations
atan function computes the inverse tangent (arc tangent) of a value, akin to java.lang.Math.atan(). The atan function is particularly useful when…
Identifying the Maximum value among columns with PySpark’s greatest function
When managing data in PySpark, it’s often useful to compare values across columns to determine the highest value for each…
Ensuring data integrity with PySpark’s crc32 function : Cyclic redundancy checks which detect accidental changes to raw data.
One popular method of ensuring integrity is through the use of Cyclic Redundancy Checks (CRC), which detect accidental changes to…
Calculating correlation between dataframe columns with PySpark : corr
In data analysis, understanding the relationship between different data columns can be pivotal in making informed decisions. Correlation is a…
Converting numerical strings from one base to another within DataFrames : conv
The conv function in PySpark simplifies the process of converting numerical strings from one base to another within DataFrames. With…
Loading JSON schema from a JSON string in PySpark
We want to load the JSON schema from a JSON string. In PySpark, you can do this by parsing the…
Optimizing PySpark queries with adaptive query execution – (AQE) – Example included
Spark 3+ brought numerous enhancements and features, and one of the notable ones is Adaptive Query Execution (AQE). AQE is…