Ramesh Maharjan questions

Ramesh Maharjan answers

• What is difference between transformations and rdd functions in spark?
• Spark Scala: moving average for multiple columns
• Pyspark, Group by count unique values in a column for a certain value in other column [duplicate]
• Pyspark: Reading JSON data file with no separator between objects
• How to use array_contains with 2 columns in spark scala?
• Iterate over elements of columns Scala
• How should I write unit tests in Spark, for a basic data frame creation example?
• How to convert org.apache.spark.sql.ColumnName to string,Decimal type in Spark Scala?
• Condition on rows content of dataframe in Spark scala
• How to create UDF from Scala methods (to compute md5)?