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Data science/ML/AI

Data science/ML/AI

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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

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📈 تحلیل کانال تلگرام Data science/ML/AI

کانال Data science/ML/AI (@datascience_bds) در بخش زبانی انگلیسی بازیگری فعال است. در حال حاضر جامعه شامل 14 059 مشترک است و جایگاه 9 091 را در دسته فناوری و برنامه‌ها و رتبه 28 236 را در منطقه الهند دارد.

📊 شاخص‌های مخاطب و پویایی

از زمان ایجاد در невідомо، پروژه رشد سریعی داشته و 14 059 مشترک جذب کرده است.

بر اساس آخرین داده‌ها در تاریخ 28 اکتبر, 2026، کانال فعالیت پایداری دارد. در ۳۰ روز گذشته تغییر اعضا برابر 90 و در ۲۴ ساعت گذشته برابر 2 بوده و همچنان دسترسی گسترده‌ای حفظ شده است.

  • وضعیت تأیید: تأیید نشده
  • نرخ تعامل (ER): میانگین تعامل مخاطب 9.76% است و در ۲۴ ساعت نخست پس از انتشار، محتوا معمولاً 2.11% واکنش نسبت به کل مشترکان کسب می‌کند.
  • دسترسی پست‌ها: هر پست به طور میانگین 1 372 بازدید دریافت می‌کند. در اولین روز معمولاً 297 بازدید جمع‌آوری می‌شود.
  • واکنش‌ها و تعامل: مخاطبان به‌طور فعال حمایت می‌کنند؛ میانگین واکنش به هر پست 4 است.
  • علایق موضوعی: محتوا بر موضوعات کلیدی مانند panda, learning, row, api, ethic تمرکز دارد.

📝 توضیح و سیاست محتوایی

نویسنده این فضا را محل بیان دیدگاه‌های شخصی توصیف می‌کند:
“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: @mldatasci...”

به لطف به‌روزرسانی‌های پرتکرار (آخرین داده در تاریخ 29 اکتبر, 2026)، کانال همواره به‌روز و دارای دسترسی بالاست. تحلیل‌ها نشان می‌دهد مخاطبان به‌طور فعال با محتوا تعامل دارند و آن را به نقطه اثرگذاری مهم در دسته فناوری و برنامه‌ها تبدیل کرده‌اند.

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Statistical Moments (M1, M2) for Data Analysis Here are 5 curated PDFs diving into the mean (M1), variance (M2), and their applications in crafting research questions and sourcing data. A channel member requested resources on this topic and we delivered. If you have a topic you want resources on let us know, and we’ll make it happen! @datascience_bds

📚 Data Science Riddle Model Accuracy improves after dropping half the features. Why?
Anonymous voting

The Data Analyst Cheatsheet
The Data Analyst Cheatsheet

Cheatsheet: Imbalanced Data In Classification
Cheatsheet: Imbalanced Data In Classification

📚 Data Science Riddle You're building a chatbot but it gives generic answers. What's the root issue?
Anonymous voting

Top ML Interview Questions & Answers.pdf1.42 KB

Phases To Master Agentic AI
Phases To Master Agentic AI

Data Drift: The reason Good Models Go Bad You built a model that performed amazingly last month. Now? Accuracy tanked. Confusion Matrix looks like a crime scene. Welcome to Data Drift. The silent model killer. 📉 What Is Data Drift? It’s when the data your model sees today is different from the data it was trained on. Imagine you trained a model on pre-COVID shopping data then you tried to predict online purchases in 2021. People’s behavior changed. Your model didn’t. That’s drift. Reality shifted, but your math stayed still. 🧠 The Core Types ➡️ Covariate Drift: Input features change (e.g., user age distribution shifts). ➡️ Prior Drift: The target variable’s frequency changes (e.g., fewer defaults now). ➡️ Concept Drift: The relationship between input and output changes entirely. The last one is deadly. your model’s logic literally stops making sense. 🚨 Why It’s Dangerous Models decay quietly. By the time you notice lower performance, the damage( business or otherwise ) is already done. That’s why top teams monitor models like systems, not code. 🧩 The Fix 1. Track feature distributions over time (use KS test, PSI, or histograms). 2. Monitor prediction confidence — sudden uncertainty = red flag. 3. Retrain models periodically with fresh data. AI isn’t “build once.” It’s “maintain forever.”
A model is only as good as the world it was trained in and the world never stops changing.

Comprehensive Feature Engineering Techniques
Comprehensive Feature Engineering Techniques

📚 Data Science Riddle You're classifying product reviews (positive/negative). Which feature method is more effective for capturing context?
Anonymous voting

Parameters vs Hyperparameters People confuse these all the time. Parameters: learned by the model during training. (e.g., weights in a neural network, coefficients in regression). Hyperparameters: set before training. They control how the model learns. (e.g., learning rate, number of layers, batch size). ✔️ Parameters = the student’s knowledge (changes as they study). ✔️ Hyperparameters = the teacher’s instructions (fixed rules of how to study). Tuning hyperparameters is often the difference between a good model and a useless one.

DSA Cheatsheet
DSA Cheatsheet

📚 Data Science Riddle In Naive Bayes, what's the "naive" assumption?
Anonymous voting

📚 Data Science Riddle You're training a hiring model. What's the biggest ethical risk?
Anonymous voting

Cheatsheet: Ensemble Learning in ML
Cheatsheet: Ensemble Learning in ML

cheatsheet-deep-learning.pdf3.35 KB

AI/ML Cheatsheet
AI/ML Cheatsheet

Artificial Intelligence for Learning.pdf2.76 MB

Softmax vs Sigmoid Functions Two of the most common activation functions… and two of the most misunderstood. Sigmoid: squashe
Softmax vs Sigmoid Functions Two of the most common activation functions… and two of the most misunderstood. Sigmoid: squashes input into a range between 0 and 1. Perfect for binary classification (yes/no problems). Example: spam or not spam. Softmax: takes a vector of numbers and turns them into probabilities that sum to 1. Perfect for multi-class classification (cat vs dog vs horse). 👉 Rule of thumb: Binary task → use Sigmoid. Multi-class task → use Softmax. Simple, but if you get this wrong, your model will never make sense.

Data Visualization Cheatsheet
Data Visualization Cheatsheet