Remove tags olap
article thumbnail

Top Big Data Hadoop Projects for Practice with Source Code

ProjectPro

MovieLens dataset consists of 22884377 ratings and 586994 tag applications across 34208 movies created by 247753 users. 4) Implementing OLAP on Hadoop using Apache Kylin OLAP stands for Online Analytical Processing which is a method used by computer scientists to look for insights in data by analytically processing it.

Hadoop 40
article thumbnail

My (Very) Personal Data Warehouse

Towards Data Science

There are many great blogs ( 1 , 2 , 3 ) describing DuckDB — the TL;DR summary is DuckDB is an open-source in-process OLAP database built specifically for analytical queries. Let’s start looking at the variety of data available in the archive. Why DuckDB? Extra points for its seamless integration with Python and R.

Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

Top 20 Data Analytics Projects for Students to Practice in 2023

ProjectPro

Through this project, it will be possible to understand more about the concept of speech tagging, the difference between stemming and lemmatization and applications of sparse matrices. OLAP cube design can help you jump-start on how to go about building a flight delay prediction model.

article thumbnail

Using Metrics Layer to Standardize and Scale Experimentation at DoorDash

DoorDash Engineering

Other metadata required for computation is also included, such as upstream table dependencies for orchestration, the lookback period for incremental computations, tags for discoverability and ownership identities. Currently, we are evaluating other OLAP engines like Pinot to manage pre-aggregation more intelligently.

SQL 82