
Master Python basics for data processing, covering list operations (append, remove, insert, reverse, extend, pop, del), string methods (upper, lower, count, replace, strip), numpy arrays, and a PySpark intro.
Create a spark context, parallelize values, and use foreach to print each value; apply a lambda filter for spark, then map key-value pairs and collect results.
Master PySpark data processing by using reduce to sum arrays, and join and collect results with spark context and spark session. Learn caching with persist and is_cached to optimize performance.
Explore viewing data from MySQL in spark using dataframes, print schema to inspect column types, then create dataframes from lists and load csv data with spark csv package for analysis.
Explore PySpark data processing by counting rows, listing train and test columns, computing describe statistics, selecting columns, and identifying distinct product_id values that differ between train and test.
Learn practical PySpark data processing skills with cross tab, pairwise frequencies for age and gender, handling duplicates and null values, filtering, group by, and data frame operations.
Delve into intermediate PySpark concepts, covering classifications, regressions, and clustering with logistic, decision tree, random forest, and gradient boosted models, after reviewing Spark basics.
Learn to perform linear regression with a PySpark pipeline using advertising data, convert features and labels into vectors, and handle categorical data with indexers and encoders.
Build a PySpark pipeline with a one hot encoder, indexer, output column, and vector assembler. Fit and transform the data, then split 40% for training and testing.
Develop and compare random forest regression and gradient boosting tree regression models in PySpark, loading data, creating features, and splitting training and test sets with root mean squared error evaluation.
Build a PySpark pipeline with indexers, encoders, and an assembler for binomial logistic regression. Transform data using get_dummy category calls and num calls, then perform a train-test split.
Explore PySpark advanced topics, including RFM analysis with recency, frequency, and monetary value, text mining, and Monte Carlo simulation, plus prerequisites from introductory and intermediate PySpark courses.
Learn to compute recency, frequency, and monetary values in PySpark, then perform RFM segmentation using quantile cutting points and user-defined functions with group-by aggregates.
Compare elbow and silhouette analyses to select the optimal k for k means in PySpark. Build a pipeline and evaluate clustering with a clustering evaluator.
Welcome to the PySpark Mastery Course – a comprehensive journey from beginner to advanced levels in the powerful world of PySpark. Whether you are new to data processing or seeking to enhance your skills, this course is designed to equip you with the knowledge and hands-on experience needed to navigate PySpark proficiently.
Section 1: PySpark Beginner
This section serves as the foundation for your PySpark journey. You'll start with an introduction to PySpark, understanding its significance in the world of data processing. To ensure a solid base, we delve into the basics of Python, emphasizing key concepts that are crucial for PySpark proficiency. The section progresses with hands-on programming using Resilient Distributed Datasets (RDDs), practical examples, and integration with MySQL databases. As you complete this section, you'll possess a fundamental understanding of PySpark's core concepts and practical applications.
Section 2: PySpark Intermediate
Building on the basics, the intermediate section introduces you to more advanced concepts and techniques in PySpark. You'll explore linear regression, output column customization, and delve into real-world applications with predictive modeling. Specific focus is given to topics such as generalized linear regression, forest regression, and logistic regression. By the end of this section, you'll be adept at using PySpark for more complex data processing and analysis tasks.
Section 3: PySpark Advanced
In the advanced section, we push the boundaries of your PySpark capabilities. You'll engage in advanced data analysis techniques, such as RFM analysis and K-Means clustering. The section also covers innovative applications like converting images to text and extracting text from PDFs. Furthermore, you'll gain insights into Monte Carlo simulation, a powerful tool for probabilistic modeling. This section equips you with the expertise needed to tackle intricate data challenges and showcases the versatility of PySpark in real-world scenarios.
Throughout each section, practical examples, coding exercises, and real-world applications will reinforce your learning, ensuring that you not only understand the theoretical concepts but can apply them effectively in a professional setting. Whether you're a data enthusiast, analyst, or aspiring data scientist, this course provides a comprehensive journey through PySpark's capabilities.