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Calculating the average of a set of numerical values in PySpark – avg – Examples included
PySpark’s avg function is designed for one of the most common data analysis tasks – calculating the average of a…
PySpark’s atan2 function : To solve complex mathematical problems in distributed data processing.
pyspark.sql.functions.atan2 In this comprehensive guide, we will delve into the world of PySpark’s atan2 function – a mathematical gem that…
Computing the Levenshtein distance between two strings using PySpark – Examples included
pyspark.sql.functions.levenshtein The Levenshtein function in PySpark computes the Levenshtein distance between two strings – that is, the minimum number of…
Computing the number of characters in a given string column using PySpark: length
PySpark’s length function computes the number of characters in a given string column. It is pivotal in various data transformations…
Returning the smallest value from a set of columns in PySpark – least
pyspark.sql.functions.least The least function in PySpark returns the smallest value from a set of columns. It is often used in…
Computing the kurtosis value of a numeric column in a DataFrame in PySpark-kurtosis
The kurtosis function in PySpark aids in computing the kurtosis value of a numeric column in a DataFrame. Kurtosis gauges…
Identifying null values within a DataFrame in PySpark
PySpark’s isnull function serves the vital role of identifying null values within a DataFrame. This function simplifies the process of…
Handling missing numeric data in PySpark – isnan – Example included
pyspark.sql.functions.isnan In PySpark, the isnan function is primarily used to identify whether a given value in a DataFrame is NaN…
PySpark’s instr Function: Substring searches in Big Data
pyspark.sql.functions.instr The instr function in PySpark’s DataFrame API helps in determining the position of the first occurrence of a substring…
PySpark’s map_values Function : Extract the values from a map column.
In PySpark’s realm, the map_values function is employed to extract the values from a map column. Drawing a parallel to…
