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Red:📈 Análisis del canal de Telegram Data Analytics & AI | SQL Interviews | Power BI Resources
El canal Data Analytics & AI | SQL Interviews | Power BI Resources (@data_visual) en el segmento lingüístico de Inglés es un actor destacado. Actualmente la comunidad reúne a 27 471 suscriptores, ocupando la posición 7 055 en la categoría Educación y el puesto 15 050 en la región India.
📊 Métricas de audiencia y dinámica
Desde su creación el невідомо, el proyecto ha mostrado un crecimiento acelerado, reuniendo a 27 471 suscriptores.
Según los últimos datos del 25 agosto, 2026, el canal mantiene una actividad estable. En los últimos 30 días la variación de miembros fue de 161, y en las últimas 24 horas de 4, conservando un alto alcance.
- Estado de verificación: No verificado
- Tasa de interacción (ER): El promedio de interacción de la audiencia es 2.52%. Durante las primeras 24 horas tras publicar, el contenido suele obtener 0.64% de reacciones respecto al total de suscriptores.
- Alcance de las publicaciones: Cada publicación recibe en promedio 693 visualizaciones. En el primer día suele acumular 177 visualizaciones.
- Reacciones e interacción: La audiencia responde de forma activa: el promedio de reacciones por publicación es 2.
- Intereses temáticos: El contenido se centra en temas clave como |--, sql, learning, analytic, visualization.
📝 Descripción y política de contenido
El autor describe el recurso como un espacio para expresar opiniones subjetivas:
“🔓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”
Gracias a la alta frecuencia de actualizaciones (últimos datos recibidos el 26 agosto, 2026), el canal mantiene la vigencia y un amplio alcance. La analítica demuestra que la audiencia interactúa activamente con el contenido, lo que lo convierte en un punto de referencia dentro de la categoría Educación.
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| Fecha | Crecimiento de Suscriptores | Menciones | Canales | |
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| 2 | 50 𝐨𝐟 𝐭𝐡𝐞 𝐦𝐨𝐬𝐭 𝐢𝐦𝐩𝐨𝐫𝐭𝐚𝐧𝐭 𝐄𝐱𝐜𝐞𝐥 𝐟𝐨𝐫𝐦𝐮𝐥𝐚𝐬 𝐭𝐡𝐚𝐭 𝐜𝐚𝐧 𝐡𝐞𝐥𝐩 𝐲𝐨𝐮 𝐩𝐞𝐫𝐟𝐨𝐫𝐦 𝐯𝐚𝐫𝐢𝐨𝐮𝐬 𝐭𝐚𝐬𝐤𝐬 𝐞𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐭𝐥𝐲.
S𝐔𝐌: Adds up numbers in a range.
𝐀𝐕𝐄𝐑𝐀𝐆𝐄: Calculates the average of numbers in a range.
𝐌𝐀𝐗: Returns the largest number in a range.
𝐌𝐈𝐍: Returns the smallest number in a range.
𝐂𝐎𝐔𝐍𝐓: Counts the number of cells that contain numbers in a range.
𝐂𝐎𝐔𝐍𝐓𝐀: Counts the number of non-empty cells in a range.
𝐈𝐅: Checks if a condition is met and returns one value if true and another value if false.
𝐕𝐋𝐎𝐎𝐊𝐔𝐏: Searches for a value in the first column of a table and returns a value in the same row from another column.
𝐇𝐋𝐎𝐎𝐊𝐔𝐏: Similar to VLOOKUP, but searches for a value in the first row of a table.
𝐈𝐍𝐃𝐄𝐗: Returns the value of a cell in a specific row and column of a range.
𝐌𝐀𝐓𝐂𝐇: Returns the relative position of an item in a range.
𝐂𝐎𝐍𝐂𝐀𝐓𝐄𝐍𝐀𝐓𝐄: Joins two or more text strings into one string.
𝐋𝐄𝐅𝐓: Returns the leftmost characters from a text string.
𝐑𝐈𝐆𝐇𝐓: Returns the rightmost characters from a text string.
𝐋𝐄𝐍: Returns the number of characters in a text string.
𝐓𝐑𝐈𝐌: Removes leading and trailing spaces from a text string.
𝐔𝐏𝐏𝐄𝐑: Converts text to uppercase.
𝐋𝐎𝐖𝐄𝐑: Converts text to lowercase.
𝐏𝐑𝐎𝐏𝐄𝐑: Capitalizes the first letter of each word in a text string.
𝐓𝐄𝐗𝐓: Formats a number or date value as text using a specified format.
𝐃𝐀𝐓𝐄: Returns the serial number of a particular date.
𝐓𝐎𝐃𝐀𝐘: Returns the current date.
𝐍𝐎𝐖: Returns the current date and time.
𝐃𝐀𝐓𝐄𝐃𝐈𝐅: Calculates the difference between two dates in years, months, or days.
𝐄𝐎𝐌𝐎𝐍𝐓𝐇: Returns the last day of the month, n months before or after a given date.
𝐑𝐎𝐔𝐍𝐃: Rounds a number to a specified number of digits.
𝐑𝐎𝐔𝐍𝐃𝐔𝐏: Rounds a number up, away from zero, to the nearest multiple of significance.
𝐑𝐎𝐔𝐍𝐃𝐃𝐎𝐖𝐍: Rounds a number down, toward zero, to the nearest multiple of significance.
𝐈𝐅𝐄𝐑𝐑𝐎𝐑: Returns a value you specify if a formula evaluates to an error, otherwise returns the result of the formula.
𝐒𝐔𝐌𝐈𝐅: Adds the cells specified by a given condition or criteria.
𝐒𝐔𝐌𝐈𝐅𝐒: Adds the cells in a range that meet multiple criteria.
𝐀𝐕𝐄𝐑𝐀𝐆𝐄𝐈𝐅: Calculates the average of cells specified by a given condition or criteria.
𝐀𝐕𝐄𝐑𝐀𝐆𝐄𝐈𝐅𝐒: Calculates the average of cells that meet multiple criteria.
𝐂𝐎𝐔𝐍𝐓𝐈𝐅: Counts the number of cells specified by a given condition or criteria.
COUNTIFS: Counts the number of cells that meet multiple criteria.
RAND: Returns a random number between 0 and 1.
RANDBETWEEN: Returns a random number between the numbers you specify.
PI: Returns the value of pi (3.14159265358979).
POWER: Raises a number to a power.
SQRT: Returns the square root of a number.
LOG: Returns the logarithm of a number to the base you specify.
EXP: Returns e raised to the power of a given number.
MOD: Returns the remainder of a division operation.
INT: Rounds a number down to the nearest integer.
ABS: Returns the absolute value of a number.
AND: Returns TRUE if all its arguments are TRUE, and FALSE otherwise.
OR: Returns TRUE if any argument is TRUE, and FALSE otherwise.
NOT: Returns the opposite of a logical value.
SUMPRODUCT: Multiplies corresponding components in the given arrays, and returns the sum of those products.
TRANSPOSE: Transposes rows and columns in a range of cells. | 441 |
| 3 | 9 tips to get started with Data Analysis:
Learn Excel, SQL, and a programming language (Python or R)
Understand basic statistics and probability
Practice with real-world datasets (Kaggle, Data.gov)
Clean and preprocess data effectively
Visualize data using charts and graphs
Ask the right questions before diving into data
Use libraries like Pandas, NumPy, and Matplotlib
Focus on storytelling with data insights
Build small projects to apply what you learn
Data Science & Machine Learning Resources: https://whatsapp.com/channel/0029Va8v3eo1NCrQfGMseL2D
ENJOY LEARNING 👍👍 | 856 |
| 4 |  🚨 BREAKING: PW Skills x Microsoft just launched The Complete Live Gen AI Engineering Program
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| 5 | Roadmap to become a data analyst
1. Foundation Skills:
•Strengthen Mathematics: Focus on statistics relevant to data analysis.
•Excel Basics: Master fundamental Excel functions and formulas.
2. SQL Proficiency:
•Learn SQL Basics: Understand SELECT statements, JOINs, and filtering.
•Practice Database Queries: Work with databases to retrieve and manipulate data.
3. Excel Advanced Techniques:
•Data Cleaning in Excel: Learn to handle missing data and outliers.
•PivotTables and PivotCharts: Master these powerful tools for data summarization.
4. Data Visualization with Excel:
•Create Visualizations: Learn to build charts and graphs in Excel.
•Dashboard Creation: Understand how to design effective dashboards.
5. Power BI Introduction:
•Install and Explore Power BI: Familiarize yourself with the interface.
•Import Data: Learn to import and transform data using Power BI.
6. Power BI Data Modeling:
•Relationships: Understand and establish relationships between tables.
•DAX (Data Analysis Expressions): Learn the basics of DAX for calculations.
7. Advanced Power BI Features:
•Advanced Visualizations: Explore complex visualizations in Power BI.
•Custom Measures and Columns: Utilize DAX for customized data calculations.
8. Integration of Excel, SQL, and Power BI:
•Importing Data from SQL to Power BI: Practice connecting and importing data.
•Excel and Power BI Integration: Learn how to use Excel data in Power BI.
9. Business Intelligence Best Practices:
•Data Storytelling: Develop skills in presenting insights effectively.
•Performance Optimization: Optimize reports and dashboards for efficiency.
10. Build a Portfolio:
•Showcase Excel Projects: Highlight your data analysis skills using Excel.
•Power BI Projects: Feature Power BI dashboards and reports in your portfolio.
11. Continuous Learning and Certification:
•Stay Updated: Keep track of new features in Excel, SQL, and Power BI.
•Consider Certifications: Obtain relevant certifications to validate your skills. | 910 |
| 6 | 🖥 Website To Learn Programming & Data Analytics
1. Learn HTML :- html.com
2. Learn CSS :- css-tricks.com
3. Learn Tailwind CSS :- tailwindcss.com
4. Learn JavaScript :- imp.i115008.net/mgGagX
5. Learn Bootstrap :- getbootstrap.com
6. Learn DSA :- t.me/dsabooks
7. Learn Git :- git-scm.com
8. Learn React :- react-tutorial.app
9. Learn API :- rapidapi.com/learn
10. Learn Python :- t.me/pythondevelopersindia
11. Learn SQL :- t.me/sqlspecialist
12. Learn Web3 :- learnweb3.io
13. Learn JQuery :- learn.jquery.com
14. Learn ExpressJS :- expressjs.com
15. Learn NodeJS :- nodejs.dev/learn
16. Learn MongoDB :- learn.mongodb.com
17. Learn PHP :- phptherightway.com/
18. Learn Golang :- learn-golang.org/
19. Learn Power BI :- t.me/powerbi_analyst
20. Learn Data Analytics:- http://t.me/learndataanalysis
21. Learn Excel:- http://t.me/excel_data
Join for more free resources: https://t.me/free4unow_backup
ENJOY LEARNING 👍👍 | 959 |
| 7 | The Rise of Generative AI in Data Analytics
Today, let’s talk about how Generative AI is reshaping the field of Data Analytics and what this means for YOU as a data professional!
What is Generative AI in Data Analytics Context?
Generative AI refers to AI models that can generate text, code, images, and even data insights based on patterns.
Tools like ChatGPT, Bard, Copilot, and Claude are now being used to:
✅ Automate data cleaning & transformation
✅ Generate SQL & Python scripts for complex queries
✅ Build interactive dashboards with natural language commands
✅ Provide explainable insights without deep statistical knowledge
How Businesses Are Using AI-Powered Analytics
📊 Retail & E-commerce – AI predicts sales trends and personalizes recommendations.
🏦 Finance & Banking – Fraud detection using AI-powered anomaly detection.
🩺 Healthcare – AI analyzes patient data for early disease detection.
📈 Marketing & Advertising – AI automates customer segmentation and sentiment analysis.
Should Data Analysts Be Worried?
NO! Instead of replacing data analysts, AI enhances their work by:
🚀 Speeding up data preparation
🔍 Enhancing insights generation
🤖 Reducing manual repetitive tasks
How You Can Adapt & Stay Ahead
🔹 Learn AI-powered tools like Power BI’s Copilot, ChatGPT for SQL, and AutoML.
🔹 Improve prompt engineering to interact effectively with AI.
🔹 Focus on critical thinking & domain knowledge—AI can’t replace human intuition!
Generative AI is a game-changer, but the human touch in analytics will always be needed! Instead of fearing AI, use it as your assistant. The future belongs to those who learn, adapt, and innovate.
Here are some telegram channels related to artificial Intelligence and generative AI which will help you with free resources:
https://t.me/generativeai_gpt
https://t.me/machinelearning_deeplearning
https://t.me/AI_Best_Tools
https://t.me/aichads
https://t.me/aiindi
Last one is my favourite ❤️
React with ❤️ if you want me to continue posting on such interesting & useful topics
Share with credits: https://t.me/sqlspecialist
Hope it helps :) | 905 |
| 8 |  +3🔰 List Methods in Python | 852 |
| 9 | 7 Baby Steps to Become a Data Analyst 👇👇
1. Understand the Role of a Data Analyst:
Learn what a data analyst does, including collecting, cleaning, analyzing, and interpreting data to support decision-making.
Familiarize yourself with key terms like KPIs, dashboards, and business intelligence.
Research industries where data analysts work, such as finance, marketing, healthcare, and e-commerce.
2. Learn the Essential Tools:
Excel: Start with basics like formulas, functions, and pivot tables, then advance to using Power Query and macros.
SQL: Learn to write queries for retrieving, filtering, and aggregating data from databases.
Data Visualization Tools: Master tools like Power BI or Tableau to create dashboards and reports.
3. Develop Analytical Thinking:
Practice identifying trends, patterns, and outliers in datasets.
Learn to ask the right questions about what the data reveals and how it can guide decision-making.
Strengthen problem-solving skills through real-world case studies or challenges.
4. Master a Programming Language (Python or R):
Learn Python libraries like pandas, NumPy, and matplotlib for data manipulation and visualization.
Alternatively, learn R for statistical analysis and its packages like ggplot2 and dplyr.
Work on projects like cleaning messy datasets or creating automated analysis scripts.
5. Work with Real-World Data:
Explore open datasets from platforms like Kaggle or Google Dataset Search.
Practice analyzing datasets related to your area of interest (e.g., sales, customer feedback, or healthcare).
Create sample reports or dashboards to showcase insights.
6. Build a Portfolio:
Document your projects in a way that demonstrates your skills. Include:
Data cleaning and transformation examples.
Visualization dashboards using Power BI, Tableau, or Excel.
Analysis reports with actionable insights.
Use GitHub or Tableau Public to showcase your work.
7. Engage with the Data Analytics Community:
Join forums like Kaggle, Reddit’s r/dataanalysis, or LinkedIn groups.
Participate in challenges to solve real-world problems, such as Kaggle competitions.
Additional Tips:
Gain domain knowledge relevant to your target industry (e.g., marketing analytics or financial analysis).
Focus on communication skills to present insights effectively to non-technical stakeholders.
Continuously learn and upskill as new tools and techniques emerge in the data analytics field.
Join our WhatsApp channel 👇
https://whatsapp.com/channel/0029VaGgzAk72WTmQFERKh02
Like this post for more content like this 👍♥️
Share with credits: https://t.me/sqlspecialist
Hope it helps :) | 848 |
| 10 | ![💎 Product Photography. Prompt: Studio shot of a [PRODUCT], elegantly positioned on a [background], soft ambient shadows, smo](data:image/jpeg;base64,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){kind=small} +3💎 Product Photography.
Prompt:
Studio shot of a [PRODUCT], elegantly positioned on a [background], soft ambient shadows, smooth gradient backdrop, high-key lighting, shallow depth of field, ultra-sharp focus on the subject, subtle reflections, minimal aesthetic, professional DSLR, premium commercial lighting setup, optimized for high-end product presentation | 1 188 |
| 11 | 5 resources to learn Claude AI for free 👇
1/ Anthropic's Official Guide:
https://support.claude.com/en/articles/8114491-get-started-with-claude
2/ Great Learning's Free Course:
https://www.mygreatlearning.com/academy/learn-for-free/courses/introduction-to-claude
3/ Claude Code in Action:
https://anthropic.skilljar.com/claude-code-in-action
4/ CC for Everyone:
https://ccforeveryone.com/
5/ FreeAcademy's Guide:
https://freeacademy.ai/blog/best-free-claude-code-courses-2026 | 1 220 |
| 12 | Quick Excel Cheatsheet! 📊
Basic Formulas
1. Add: =A1+B1
2. Subtract: =A1-B1
3. Multiply: =A1*B1
4. Divide: =A1/B1
5. Average: =AVERAGE(A1:A10)
6. Sum: =SUM(A1:A10)
Logical Functions
1. IF: =IF(A1>10, "Yes", "No")
2. AND: =AND(A1>5, B1<10)
3. OR: =OR(A1=1, B1=2)
4. EXACT (case-sensitive match): =EXACT(A1, B1)
Lookup Functions
1. VLOOKUP: =VLOOKUP(A1, Table, 2, FALSE)
2. HLOOKUP: =HLOOKUP(A1, Table, 2, FALSE)
3. XLOOKUP: =XLOOKUP(A1, Range1, Range2)
Counting Data Types
1. Count numbers: =COUNT(A1:A10)
2. Count non-empty: =COUNTA(A1:A10)
3. Count blanks: =COUNTBLANK(A1:A10)
4. Is number: =ISNUMBER(A1)
5. Is text: =ISTEXT(A1)
React ❤️ for more | 1 213 |
| 13 | ✅ 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! | 1 072 |
| 14 |  🤖 𝗛𝗢𝗪 𝗧𝗢 𝗙𝗜𝗫 𝗣𝗥𝗢𝗠𝗣𝗧 𝗪𝗜𝗧𝗛 𝗠𝗘𝗧𝗔 𝗣𝗥𝗢𝗠𝗣𝗧𝗜𝗡𝗚:
( Bookmark 🔖 This ) | 1 015 |
| 15 | 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 👍👍 | 1 011 |
| 16 |  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 | 1 012 |
| 17 | 📝 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 🌟 | 1 223 |
| 18 | ✅ 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.
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| 19 |  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 | 1 091 |
| 20 |  🚀 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
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