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Data Analytics & AI | SQL Interviews | Power BI Resources
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🔓Explore the fascinating world of Data Analytics & Artificial Intelligence 💻 Best AI tools, free resources, and expert advice to land your dream tech job. Admin: @coderfun Buy ads: https://telega.io/c/Data_Visual
Ko'proq ko'rsatish📈 Telegram kanali Data Analytics & AI | SQL Interviews | Power BI Resources analitikasi
Data Analytics & AI | SQL Interviews | Power BI Resources (@data_visual) Ingliz til segmentidagi kanali faol ishtirokchi. Hozirda hamjamiyat 27 138 obunachidan iborat bo'lib, Taʼlim toifasida 7 233-o'rinni va Hindiston mintaqasida 16 228-o'rinni egallagan.
📊 Auditoriya ko‘rsatkichlari va dinamika
невідомо sanasidan buyon loyiha tez o‘sib, 27 138 obunachiga ega bo‘ldi.
03 Iyun, 2026 dagi oxirgi ma’lumotlarga ko‘ra kanal barqaror faollikka ega. Oxirgi 30 kunda obunachilar soni 271 ga, so‘nggi 24 soatda esa 15 ga o‘zgardi va umumiy qamrov yuqori darajada qolmoqda.
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- Tematik yo‘nalishlar: Kontent |--, sql, learning, analytic, visualization kabi asosiy mavzularga jamlangan.
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Muallif resursni shaxsiy fikrni ifoda etish maydoni sifatida ta’riflaydi:
“🔓Explore the fascinating world of Data Analytics & Artificial Intelligence
💻 Best AI tools, free resources, and expert advice to land your dream tech job.
Admin: @coderfun
Buy ads: https://telega.io/c/Data_Visual”
Yuqori yangilanish chastotasi (oxirgi ma’lumot 04 Iyun, 2026 da olingan) sababli kanal doimo dolzarb va katta qamrovli bo‘lib qoladi. Analitika auditoriya kontent bilan faol hamkorlik qilishini, uni Taʼlim toifasidagi muhim ta’sir nuqtasiga aylantirishini ko‘rsatadi.
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Kanal postlari
✅ Data Analytics Roadmap for Freshers 🚀📊
1️⃣ Understand What a Data Analyst Does
🔍 Analyze data, find insights, create dashboards, support business decisions.
2️⃣ Start with Excel
📈 Learn:
– Basic formulas
– Charts & Pivot Tables
– Data cleaning
💡 Excel is still the #1 tool in many companies.
3️⃣ Learn SQL
🧩 SQL helps you pull and analyze data from databases.
Start with:
– SELECT, WHERE, JOIN, GROUP BY
🛠️ Practice on platforms like W3Schools or Mode Analytics.
4️⃣ Pick a Programming Language
🐍 Start with Python (easier) or R
– Learn pandas, matplotlib, numpy
– Do small projects (e.g. analyze sales data)
5️⃣ Data Visualization Tools
📊 Learn:
– Power BI or Tableau
– Build simple dashboards
💡 Start with free versions or YouTube tutorials.
6️⃣ Practice with Real Data
🔍 Use sites like Kaggle or Data.gov
– Clean, analyze, visualize
– Try small case studies (sales report, customer trends)
7️⃣ Create a Portfolio
💻 Share projects on:
– GitHub
– Notion or a simple website
📌 Add visuals + brief explanations of your insights.
8️⃣ Improve Soft Skills
🗣️ Focus on:
– Presenting data in simple words
– Asking good questions
– Thinking critically about patterns
9️⃣ Certifications to Stand Out
🎓 Try:
– Google Data Analytics (Coursera)
– IBM Data Analyst
– LinkedIn Learning basics
🔟 Apply for Internships & Entry Jobs
🎯 Titles to look for:
– Data Analyst (Intern)
– Junior Analyst
– Business Analyst
💬 React ❤️ for more!
| 2 |  🤖 𝗛𝗢𝗪 𝗧𝗢 𝗙𝗜𝗫 𝗣𝗥𝗢𝗠𝗣𝗧 𝗪𝗜𝗧𝗛 𝗠𝗘𝗧𝗔 𝗣𝗥𝗢𝗠𝗣𝗧𝗜𝗡𝗚:
( Bookmark 🔖 This ) | 0 |
| 3 | If you’re just starting out in Data Analytics, it’s super important to build the right habits early.
Here’s a simple plan for beginners to grow both technical and problem-solving skills together:
If You Just Started Learning Data Analytics, Focus on These 5 Baby Steps:
1. Don’t Just Watch Tutorials — Build Small Projects
After learning a new tool (like SQL or Excel), create mini-projects:
- Analyze your expenses
- Explore a free dataset (like Netflix movies, COVID data)
2. Ask Business-Like Questions Early
Whenever you see a dataset, practice asking:
- What problem could this data solve?
- Who would care about this insight?
3. Start a ‘Data Journal’
Every day, note down:
- What you learned
- One business question you could answer with data (Helps you build real-world thinking!)
4. Practice the Basics 100x
Get very comfortable with:
- SELECT, WHERE, GROUP BY (SQL)
- Pivot tables and charts (Excel)
- Basic cleaning (Power Query / Python pandas)
_Mastering basics > learning 50 fancy functions._
5. Learn to Communicate Early
Explain your mini-projects like this:
- What was the business goal?
- What did you find?
- What should someone do based on it?
React with ❤️ if you need a beginner-friendly roadmap to start your data analytics career
Data Analytics Free Resources: https://whatsapp.com/channel/0029VaGgzAk72WTmQFERKh02
ENJOY LEARNING 👍👍 | 0 |
| 4 | Resonant is a mini-app that connects your decision patterns to your AI Agents. Generate your personal Agentic Memory Card now!
https://t.me/ResonantAlphaBot/resonant?startapp | 0 |
| 5 | 📝 12 Essential Articles for Data Scientists
🏷 Article: Seq2Seq Learning with NN
https://arxiv.org/pdf/1409.3215
An introduction to Seq2Seq models, which serve as the foundation for machine translation utilizing deep learning.
🏷 Article: GANs
https://arxiv.org/pdf/1406.2661
An introduction to Generative Adversarial Networks (GANs) and the concept of generating synthetic data. This forms the basis for creating images and videos with artificial intelligence.
🏷 Article: Attention is All You Need
https://arxiv.org/pdf/1706.03762
This paper was revolutionary in natural language processing. It introduced the Transformer architecture, which underlies GPT, BERT, and contemporary intelligent language models.
🏷 Article: Deep Residual Learning
https://arxiv.org/pdf/1512.03385
This work introduced the ResNet model, enabling neural networks to achieve greater depth and accuracy without compromising the learning process.
🏷 Article: Batch Normalization
https://arxiv.org/pdf/1502.03167
This paper introduced a technique that facilitates faster and more stable training of neural networks.
🏷 Article: Dropout
https://jmlr.org/papers/volume15/srivastava14a/srivastava14a.pdf
A straightforward method designed to prevent overfitting in neural networks.
🏷 Article: ImageNet Classification with DCNN
https://proceedings.neurips.cc/paper_files/paper/2012/file/c399862d3b9d6b76c8436e924a68c45b-Paper.pdf
The first successful application of a deep neural network for image recognition.
🏷 Article: Support-Vector Machines
https://link.springer.com/content/pdf/10.1007/BF00994018.pdf
This seminal work introduced the Support Vector Machine (SVM) algorithm, a widely utilized method for data classification.
🏷 Article: A Few Useful Things to Know About ML
https://homes.cs.washington.edu/~pedro/papers/cacm12.pdf
A comprehensive collection of practical and empirical insights regarding machine learning.
🏷 Article: Gradient Boosting Machine
https://www.cse.iitb.ac.in/~soumen/readings/papers/Friedman1999GreedyFuncApprox.pdf
This paper introduced the "Gradient Boosting" method, which serves as the foundation for many modern machine learning models, including XGBoost and LightGBM.
🏷 Article: Latent Dirichlet Allocation
https://jmlr.org/papers/volume3/blei03a/blei03a.pdf
This work introduced a model for text analysis capable of identifying the topics discussed within an article.
🏷 Article: Random Forests
https://www.stat.berkeley.edu/~breiman/randomforest2001.pdf
This paper introduced the "Random Forest" algorithm, a powerful machine learning method that aggregates multiple models to achieve enhanced accuracy.
https://t.me/CodeProgrammer 🌟 | 0 |
| 6 | ✅ Data Analyst Interview Questions for Freshers 📊
1) What is the role of a data analyst?
Answer: A data analyst collects, processes, and performs statistical analyses on data to provide actionable insights that support business decision-making.
2) What are the key skills required for a data analyst?
Answer: Strong skills in SQL, Excel, data visualization tools (like Tableau or Power BI), statistical analysis, and problem-solving abilities are essential.
3) What is data cleaning?
Answer: Data cleaning involves identifying and correcting inaccuracies, inconsistencies, or missing values in datasets to improve data quality.
4) What is the difference between structured and unstructured data?
Answer: Structured data is organized in rows and columns (e.g., spreadsheets), while unstructured data includes formats like text, images, and videos that lack a predefined structure.
5) What is a KPI?
Answer: KPI stands for Key Performance Indicator, which is a measurable value that demonstrates how effectively a company is achieving its business goals.
6) What tools do you use for data analysis?
Answer: Common tools include Excel, SQL, Python (with libraries like Pandas), R, Tableau, and Power BI.
7) Why is data visualization important?
Answer: Data visualization helps translate complex data into understandable charts and graphs, making it easier for stakeholders to grasp insights and trends.
8) What is a pivot table?
Answer: A pivot table is a feature in Excel that allows you to summarize, analyze, and explore data by reorganizing and grouping it dynamically.
9) What is correlation?
Answer: Correlation measures the statistical relationship between two variables, indicating whether they move together and how strongly.
10) What is a data warehouse?
Answer: A data warehouse is a centralized repository that consolidates data from multiple sources, optimized for querying and analysis.
11) Explain the difference between INNER JOIN and OUTER JOIN in SQL.
Answer: INNER JOIN returns only the matching rows between two tables, while OUTER JOIN returns all matching rows plus unmatched rows from one or both tables, depending on whether it’s LEFT, RIGHT, or FULL OUTER JOIN.
12) What is hypothesis testing?
Answer: Hypothesis testing is a statistical method used to determine if there is enough evidence in a sample to infer that a certain condition holds true for the entire population.
13) What is the difference between mean, median, and mode?
Answer:
⦁ Mean: The average of all numbers.
⦁ Median: The middle value when data is sorted.
⦁ Mode: The most frequently occurring value in a dataset.
14) What is data normalization?
Answer: Normalization is the process of organizing data to reduce redundancy and improve integrity, often by dividing data into related tables.
15) How do you handle missing data?
Answer: Missing data can be handled by removing rows, imputing values (mean, median, mode), or using algorithms that support missing data.
💬 React ❤️ for more! | 0 |
| 7 |  Matrix Exponential Attention (MEA)
An experimental attention mechanism for transformers
MEA offers an alternative to classic softmax-attention. Instead of normalization via softmax, a matrix exponential is used, which allows modeling more complex, high-order interactions between tokens.
🟢 How it works?
IDEA:
Attention is formulated as exp(QKᵀ), and the calculation of the exponential is approximated by a truncated series. This makes it possible to calculate attention linearly along the length of the sequence, without creating huge n×n matrices.
What does this provide
- More expressive attention compared to softmax
- Higher-order interactions between tokens
- Linear complexity in memory and time
- Suitable for long contexts and research architectures
The project is at the intersection of Linear Attention and Higher-order Attention and is of a research nature. This is not a ready-made replacement for standard attention, but an attempt to expand its mathematical form.
For ML researchers and engineers who are studying new forms of attention, alternatives to softmax, and architectures for long sequences.
GitHub Not for production yet
••••••••••••••••••••••••••••••••••••••
🤖 Data Science, ML & Big Data with @DataXplore | 0 |
| 8 |  🚀 Startup Accelerator Roadmap: Sber500 Batch 7 📊
📌 Who Should Apply
• Startups with MVP and early traction
• DeepTech teams in:
🔹 GenAI & Applied AI for Scientific Research
🔹 Robotics & Autonomous Transport Systems
🔹 Advanced Materials & Photonics
🔹 Quantum Computing
🔹 Earth Remote Sensing (Space & Ground-based)
• International founders exploring the Russian market
📌 Program Structure
1️⃣ Stage 1: Online Bootcamp
• 150 teams selected
• Strengthen product strategy & business model
• Identify market use cases
• Assess collaboration with Sber ecosystem
2️⃣ Stage 2: Intensive Mentorship
• 25 best teams selected
• Work with international mentors (Europe, US, Asia, Middle East)
• Access to actively investing funds
• Direct discussions with corporate customers
3️⃣ Stage 3: Demo Day
• Moscow Startup Summit, Fall 2026
• Present to wider audience
• In 2024 & 2025, every 5th startup was international
📌 What You Get
✅ 12-week online program in English
✅ International mentors (serial founders, VC partners, corporate executives)
✅ Access to investors & corporations
✅ Long-term community (work continues after program ends)
📌 Results That Speak
📈 Revenue grows 4x on average after program
🚀 Some teams scale up to 1,000x
🤝 10,900+ contracts and pilots with corporations (6 seasons)
📌 Previous International Teams From:
India, South Korea, Armenia, China, Turkey, Algeria
📌 Key Details
📅 Deadline: 10 April 2026
⏱️ Duration: Up to 12 weeks
🌐 Format: Online
💬 Language: English
💰 Participation: Free of charge
👉 Apply via the link
⚔️ Quick Comparison: Why Apply?
• Without Accelerator
🔹 Find mentors on your own
🔹 Pitch investors individually
🔹 Build corporate connections from scratch
• With Sber500
🔹 Access to curated mentor network
🔹 Demo Day with active investors
🔹 Direct path to corporate pilots
🎯 Best For:
• Data Science Startups → AI/ML solutions
• Analytics Teams → Enterprise data products
• DeepTech Founders → Science-intensive technology
Which stage interests you most?
Bootcamp 👌
Mentorship 🤝
Demo Day 👍
ℹ️ Learn More
Tap ♥️ for more startup resources! | 0 |
