PySpark: multiple conditions in when clause - Stack Overflow
Jun 8, 2016 · Very helpful observation when in pyspark multiple conditions can be built using & (for and) and | (for or). Note:In pyspark t is important to enclose every expressions within …
pyspark - How to use AND or OR condition in when in Spark
107 pyspark.sql.functions.when takes a Boolean Column as its condition. When using PySpark, it's often useful to think "Column Expression" when you read "Column". Logical operations on …
How to check if spark dataframe is empty? - Stack Overflow
Sep 22, 2015 · 4 On PySpark, you can also use this bool(df.head(1)) to obtain a True of False value It returns False if the dataframe contains no rows
Filtering a Pyspark DataFrame with SQL-like IN clause
Mar 8, 2016 · Filtering a Pyspark DataFrame with SQL-like IN clause Asked 9 years, 10 months ago Modified 3 years, 9 months ago Viewed 123k times
python - Spark Equivalent of IF Then ELSE - Stack Overflow
python apache-spark pyspark apache-spark-sql edited Dec 10, 2017 at 1:43 Community Bot 1 1
spark dataframe drop duplicates and keep first - Stack Overflow
Aug 1, 2016 · 2 I just did something perhaps similar to what you guys need, using drop_duplicates pyspark. Situation is this. I have 2 dataframes (coming from 2 files) which are exactly same …
PySpark: How to fillna values in dataframe for specific columns?
Jul 12, 2017 · PySpark: How to fillna values in dataframe for specific columns? Asked 8 years, 6 months ago Modified 6 years, 8 months ago Viewed 202k times
Running pyspark after pip install pyspark - Stack Overflow
I just faced the same issue, but it turned out that pip install pyspark downloads spark distirbution that works well in local mode. Pip just doesn't set appropriate SPARK_HOME. But when I set …
Pyspark replace strings in Spark dataframe column
Pyspark replace strings in Spark dataframe column Asked 9 years, 8 months ago Modified 1 year, 2 months ago Viewed 315k times
Pyspark: display a spark data frame in a table format
Pyspark: display a spark data frame in a table format Asked 9 years, 4 months ago Modified 2 years, 5 months ago Viewed 414k times