Join and Aggregate PySpark DataFrames

Perform SQL-like joins and aggregations on your PySpark DataFrames.

Manage Files in Google Cloud Storage With Python

Manage files in your Google Cloud Storage bucket using the google-cloud-storage Python library.

Working with PySpark RDDs

Working with Spark's original data structure API: Resilient Distributed Datasets.

PowerPivot 3: Managing the Data Model

Analyzing ginormous files with Microsoft PowerPivot.

Manage Data Pipelines with Apache Airflow

Use Apache Airflow to build and monitor better data pipelines.

Recasting Low-Cardinality Columns as Categoricals

Downcast strings in Pandas to their proper data-types using HDF5.

PowerPivot 2: What's the Deal with Delimiters?

Working with large flat files in PowerPivot.

Removing Duplicate Columns in Pandas

Dealing with duplicate column names in your Pandas DataFrame.