Data science/ML/AI – Telegram
Data science/ML/AI
13K subscribers
509 photos
1 video
98 files
314 links
Data science and machine learning hub

Python, SQL, stats, ML, deep learning, projects, PDFs, roadmaps and AI resources.

For beginners, data scientists and ML engineers
👉 https://rebrand.ly/bigdatachannels

DMCA: @disclosure_bds
Contact: @mldatascientist
Download Telegram
Pandas Cheatsheet For Data Analysis
4
📚 Data Science Riddle

Your batch ETL job runs slower each week despite no code change. What's your first suspect?
Anonymous Quiz
11%
Code inefficiency
20%
Schema mismatch
64%
Data volume growth
5%
Resource throttling
🚨 When & How Jupyter Notebooks Fail (And What To Use Instead)

Hey Data Folks! 👩‍💻👨‍💻
Let’s talk about Jupyter Notebooks — powerful for exploration, but risky in production. Here’s why:

Problems with Notebooks:
1. Out-of-order execution → hidden bugs.
2. Code changes after execution → inconsistent results.
3. Data leakage → sensitive info in outputs.
4. Security risks → tokens/keys exposed.
5. Hard to apply engineering practices → no modular code, testing, CI/CD.
6. Collaboration pain → merge conflicts, JSON issues.
7. Reproducibility issues → missing dependencies, versions.

When They’re Useful:
- Quick data exploration & prototyping.
- Knowledge sharing (clean, runnable from top to bottom).
- Teaching / hands-on tutorials (with solution notebooks).

🔧 What to Use Instead:
- For production code → .py files + IDEs.
- For workflows → template repos & reproducible setups.
- For deployment → MLOps tools, pipelines, automation.

💡 Key Takeaways:
- Use notebooks for exploration & teaching.
- Use structured code + pipelines for production & deployment.
- Always document dependencies, keep notebooks clean, never commit secrets!
5👍2
List of AI Project Ideas 👨🏻‍💻

Beginner Projects

🔹 Sentiment Analyzer
🔹 Image Classifier
🔹 Spam Detection System
🔹 Face Detection
🔹 Chatbot (Rule-based)
🔹 Movie Recommendation System
🔹 Handwritten Digit Recognition
🔹 Speech-to-Text Converter
🔹 AI-Powered Calculator
🔹 AI Hangman Game

Intermediate Projects

🔸 AI Virtual Assistant
🔸 Fake News Detector
🔸 Music Genre Classification
🔸 AI Resume Screener
🔸 Style Transfer App
🔸 Real-Time Object Detection
🔸 Chatbot with Memory
🔸 Autocorrect Tool
🔸 Face Recognition Attendance System
🔸 AI Sudoku Solver

Advanced Projects

🔺 AI Stock Predictor
🔺 AI Writer (GPT-based)
🔺 AI-powered Resume Builder
🔺 Deepfake Generator
🔺 AI Lawyer Assistant
🔺 AI-Powered Medical Diagnosis
🔺 AI-based Game Bot
🔺 Custom Voice Cloning
🔺 Multi-modal AI App
🔺 AI Research Paper Summarizer
7👏1
📚 Data Science Riddle

You discover your regression model performs poorly on recent data. The relationships between variables have shifted. What's this called?
Anonymous Quiz
39%
Model Overfitting
39%
Concept Drift
10%
Sampling Error
13%
Data Leakage
Regularization: The Art of Keeping Models Humble

Overfitting is the “ego problem” of models. They memorize training data and forget how to generalize.
Regularization is how we humble them.

➡️ L1 (Lasso): Shrinks some weights to zero → performs feature selection.
➡️ L2 (Ridge): Reduces all weights slightly → smooths learning.
➡️ Dropout: Randomly removes neurons during training → prevents co-dependence.

It’s not about punishment but it’s about discipline.
Regularization teaches models to focus on patterns, not exceptions.

💭 Remember: The best models don’t just fit data. They respect uncertainty.
7😁1
Explaining LLMs By BigData Specialist.pdf
4.3 MB
This is our latest post from Instagram page, saved as PDF.

If you want a very comprehensive breakdown on what's LLMs are and how they actually work, you might want to check it out.

Here's our Instagram post: Explaining LLMs
9
Skills Needed To Become Data Analyst
5
📚 Data Science Riddle

Why might your SQL join explode the number of rows unexpectedly?
Anonymous Quiz
20%
Index missing
40%
Wrong join key
33%
Duplicate keys
8%
Slow query optimizer
Top 6 Types of AI Models
4
Database Querying Using SQL.pdf
136.4 KB
Notes on SQL for data management and analysis, including queries and integration with R, from University of South Carolina.
2👏1
📚 Data Science Riddle

A business team wants interpretable insights, not just predictions. What's the best model to start with?
Anonymous Quiz
32%
Random Forest
36%
Logistic Regression
12%
XGBoost
19%
Deep Neural Net
Top Data Science Tools By Function
3👏1
Forwarded from Cool GitHub repositories
lerobot

This is an end-to-end library for robot learning. It handles the entire pipeline from loading and processing robotics datasets to training policies and deploying them in simulation or on real hardware.

Creator:   huggingface
Stars ⭐️:  19,000
Forked by: 3,000

Github Repo:
https://github.com/huggingface/lerobot

#robotics #AI
    
Join @github_repositories_bds for more cool repositories. This channel belongs to @bigdataspecialist group
3
Denoscriptive Statistics and Exploratory Data Analysis.pdf
1 MB
Covers basic numerical and graphical summaries with practical examples, from University of Washington.
5👍2👏1
Relational DB Vs Graph DB by BigData Specialist.pdf
4.5 MB
This is our latest post from Instagram, saved as PDF.

It's a comprehensive breakdown(as always) explaining the difference between Relational DB and Graph DB in a fun and easy to grasp way.

⚠️ Spoiler alert: You will love it!

Here's our Instagram post: Relational DB Vs Graph DB
6👍2
Regression Analysis Cheatsheet
5
Linear Regression.pdf
834.6 KB
Covers basics of Linear Regression for modeling numerical data, including assumptions and applications in genetics, from University of Washington.
5