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Scala is a high level language that combines functional and object oriented programming with high performance runtimes. Scala programming language is build to implement scale able solutions to crunch big data / data science in order to produce actionable insights is a great languages for large-scale projects. Designed to express common programming patterns in a concise, elegant, and type-safe way, it fuses both imperative and functional programming styles.

7 votes

How to calculate the mean of a dataframe column and find the top 10%

This also returns the average of the selected column: from pyspark.sql.functions import mean df.select(mean(df("ColumnName"))).show() +----------------+ | avg(ColumnName)| +----------------+ |230.5224 …
Erkan ŞİRİN's user avatar