Foreword

Thank you for choosing this book to start your PySpark adventures, I hope you are as excited as I am. When Denny Lee first told me about this new book I was delighted-one of the most important things that makes Apache Spark such a wonderful platform, is supporting both the Java/Scala/JVM worlds and Python (and more recently R) worlds. Many of the previous books for Spark have been focused on either all of the core languages, or primarily focused on JVM languages, so it's great to see PySpark get its chance to shine with a dedicated book from such experienced Spark educators. By supporting both of these different worlds, we are able to more effectively work together as Data Scientists and Data Engineers, while stealing the best ideas from ...

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