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A Collection of Take-Home Data Science Challenges for 2025

ProjectPro

The second category has challenges with solution code. Two Sigma Investments is a firm implementing data science tools over datasets for predicting financial trade since 2001. The exciting part about this challenge is that it was the first time a code competition was launched on Kaggle.

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15 Tableau Projects for Beginners to Practice with Source Code

ProjectPro

Upskill yourself for your dream job with industry-level big data projects with source code 4) Product Availability Dashboard This project is from the Product domain of the technology industry. Burglary 27 64 755858 1321961 Andhra Pradesh 2001 Burglary - Property 3. Burglary 66 248 825115 4931904 Assam 2001 Burglary - Property 3.

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Computer Vision: Algorithms and Applications to Explore in 2025

ProjectPro

Viola-Jones Algorithm The Viola-Jones object detection algorithm was developed by two computer vision researchers Paul Viola and Michael Jones, in 2001 to solve the problem of face detection, but it can also be trained to detect various object classes in images in real-time. You can also use the openCV functions for SURF: surf = cv2.xfeatures2d.SURF_create()

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The job market for new grads: worse than in 2008, but better than 2002

The Pragmatic Engineer

Chris Lee is the founder of US-based Launch School , which is one of the “anti bootcamp coding schools,” and an organization which impresses me. As a coding school operator, Chris has a unique perspective that gives him insight into lots of different companies and engineering departments. It's a bloodbath.

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How to Use Apache Iceberg in CDP’s Open Lakehouse

Cloudera

8 2001 5967780. In our second stage of the pipeline, we alter the partition scheme to include the year column using one line of code! Our imported flights table now contains the same data as the existing external hive table and we can quickly check the row counts by year to confirm: year _c1. 1 2008 7009728. 2 2007 7453215.

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How to design a dbt model from scratch

Towards Data Science

Include code and explanation. Step 4: Deploy Objective : Deploy model in dbt Players : You Activities : take the final prototyped code and deploy it into your dbt codebase makes sure it passes all tests Image by author. Objective : Map out how you’re going to get to the agreed-upon final table. Click here to see the example.

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Schemas, Contracts, and Compatibility

Confluent

So much for decoupling, both in terms of interaction and reliance on other teams, and the code that is written. If they didn’t, they would be caught during code review. In the same way that unit tests automatically validate changes to the code and to APIs, we also want an automated process to validate schema modifications.