Data Analysis Books | Python | SQL | Excel | Artificial Intelligence | Power BI | Tableau | AI Resources
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Data Analysis Useful Resources #dataanalysis #dataanalysisbooks #sqlbooks #pythonbooks #tableau #powerbi #datavisualization For promotions: @coderfun
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Network:📈 Analytical overview of Telegram channel Data Analysis Books | Python | SQL | Excel | Artificial Intelligence | Power BI | Tableau | AI Resources
Channel Data Analysis Books | Python | SQL | Excel | Artificial Intelligence | Power BI | Tableau | AI Resources (@learndataanalysis) in the English language segment is an active participant. Currently, the community unites 52 965 subscribers, ranking 3 247 in the Education category and 6 758 in the India region.
📊 Audience metrics and dynamics
Since its creation on невідомо, the project has demonstrated rapid growth, gathering an audience of 52 965 subscribers.
According to the latest data from 25 August, 2026, the channel demonstrates stable activity. Although there has been a change in the number of participants by 460 over the last 30 days and by 5 over the last 24 hours, overall reach remains high.
- Verification status: Not verified
- Engagement rate (ER): The average audience engagement rate is 5.67%. Within the first 24 hours after publication, content typically collects 1.22% reactions from the total number of subscribers.
- Post reach: On average, each post receives 3 002 views. Within the first day, a publication typically gains 646 views.
- Reactions and interaction: The audience actively supports content: the average number of reactions per post is 7.
- Thematic interests: Content is focused on key topics such as analyst, |--, excel, visualization, analytic.
📝 Description and content policy
The author describes the resource as a platform for expressing subjective opinions:
“Data Analysis Useful Resources
#dataanalysis
#dataanalysisbooks
#sqlbooks
#pythonbooks
#tableau
#powerbi
#datavisualization
For promotions: @coderfun”
Thanks to the high frequency of updates (latest data received on 26 August, 2026), the channel maintains relevance and a high level of publication reach. Analytics show that the audience actively interacts with content, making it an important point of influence in the Education category.
52 965
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+46030 days
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Channel Posts
Excel Basics for Data Analytics
Excel sits at the start of most analysis work.
What you use Excel for
• Cleaning raw data
• Exploring patterns
• Quick summaries for teams
Core concepts you must know
• Data setup
– Freeze header row. View → Freeze Top Row.
– Convert range to table. Ctrl + T.
– Use proper headers. No merged cells. One value per cell.
• Data cleaning
– Remove duplicates. Data → Remove Duplicates.
– Trim extra spaces. =TRIM(A2)
– Convert text to numbers. =VALUE(A2)
– Fix date format. Format Cells → Date.
– Handle blanks. Filter blanks, fill or delete.
– Find and replace. Ctrl + H.
• Essential formulas
– Math and counts
▪ SUM. =SUM(A2:A100)
▪ AVERAGE. =AVERAGE(A2:A100)
▪ MIN. =MIN(A2:A100)
▪ MAX. =MAX(A2:A100)
▪ COUNT. Counts numbers.
▪ COUNTA. Counts non blanks.
▪ COUNTBLANK. Counts blanks.
– Conditional formulas
▪ IF. =IF(A2>5000,"High","Low")
▪ IFS. Multiple conditions.
▪ AND. =AND(A2>5000,B2="West")
▪ OR. =OR(A2>5000,A2<1000)
– Lookup formulas
▪ XLOOKUP. =XLOOKUP(A2,Sheet2!A:A,Sheet2!B:B)
▪ VLOOKUP. Old but common.
▪ INDEX + MATCH. Powerful alternative.
– Text formulas
▪ LEFT. =LEFT(A2,4)
▪ RIGHT. =RIGHT(A2,2)
▪ MID. =MID(A2,2,3)
▪ LEN. =LEN(A2)
▪ CONCAT or TEXTJOIN.
▪ LOWER, UPPER, PROPER.
– Date formulas
▪ TODAY. Current date.
▪ NOW. Date and time.
▪ YEAR, MONTH, DAY.
▪ DATEDIF. Date difference.
▪ EOMONTH. Month end.
• Sorting and filtering
– Sort by multiple columns.
– Filter by value, color, condition.
– Top 10 filter for quick insights.
• Conditional formatting
– Highlight duplicates.
– Color scales for trends.
– Rules for thresholds. Example. Sales > 10000 in green.
• Pivot tables
– Insert → PivotTable.
– Rows. Category or Product.
– Values. Sum, Count, Average.
– Filters. Date, Region.
– Refresh after data update.
• Charts you must know
– Column. Comparison.
– Bar. Ranking.
– Line. Trends over time.
– Pie. Share or percentage.
– Combo. Actual vs target.
• Data validation
– Dropdown list. Data → Data Validation → List.
– Prevent wrong entries.
• Useful shortcuts
– Ctrl + Arrow. Jump data.
– Ctrl + Shift + Arrow. Select range.
– Ctrl + 1. Format cells.
– Ctrl + L. Apply filter.
– Alt + =. Auto sum.
– Ctrl + Z / Y. Undo redo.
• Common analyst mistakes to avoid
– Merged cells.
– Hard coded totals.
– Mixed data types in one column.
– No backup before cleaning.
• Daily practice task
– Download any sales CSV.
– Clean it.
– Build one pivot table.
– Create one chart.
Excel Resources: https://whatsapp.com/channel/0029VaifY548qIzv0u1AHz3i
Data Analytics Roadmap: https://whatsapp.com/channel/0029VaGgzAk72WTmQFERKh02/1354
Double Tap ♥️ For More
| 2 |  No text... | 2 412 |
| 3 | 🚀 Real SQL Interview Question Reported in a Swiggy Business Analyst Interview
Question:
Given an orders table with the following columns:
driver_id
order_time
delivered_time
Write an SQL query to calculate the average waiting/delivery time (in minutes) for each delivery partner.
✅ SQL Solution (MySQL)
SELECT
driver_id,
AVG(TIMESTAMPDIFF(MINUTE, order_time, delivered_time)) AS avg_delivery_time
FROM orders
GROUP BY driver_id;
💡 Approach:
• Calculate the time difference between order_time and delivered_time.
• Convert the difference into minutes using TIMESTAMPDIFF().
• Group records by driver_id.
• Use AVG() to find the average delivery time for each delivery partner.
📚 Concepts Tested:
• Date & Time Functions
• GROUP BY
• Aggregate Functions (AVG)
• Business Metrics
React ♥️ for more real interview questions | 2 731 |
| 4 |  🚀 𝗙𝗥𝗘𝗘 𝗜𝗻𝘁𝗲𝗿𝘃𝗶𝗲𝘄 𝗥𝗲𝘀𝗼𝘂𝗿𝗰𝗲𝘀 𝗯𝘆 𝗧𝗼𝗽 𝗖𝗼𝗺𝗽𝗮𝗻𝗶𝗲𝘀🔥
Get FREE access to company-specific interview kits, previous questions, preparation strategies, and important resources! 👇
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📌 share it with friends preparing for placements | 3 466 |
| 5 | Excel Shortcut Keys You Should Know!
1. Save file → Ctrl + S
2. Undo last action → Ctrl + Z
3. Redo action → Ctrl + Y
4. Cut selection → Ctrl + X
5. Paste → Ctrl + V
6. Select entire row → Shift + Space
7. Select entire column → Ctrl + Space
8. Insert new worksheet → Shift + F11
9. Rename sheet → Alt + H, O, R
10. AutoSum → Alt + =
11. Edit active cell → F2
12. Lock cell reference → F4
13. Apply filter → Ctrl + Shift + L
14. Insert current date → Ctrl + ;
15. Insert current time → Ctrl + Shift + :
Double Tap ♥️ For More | 3 186 |
| 6 | Steps to become a data analyst
Learn the Basics of Data Analysis:
Familiarize yourself with foundational concepts in data analysis, statistics, and data visualization. Online courses and textbooks can help.
Free books & other useful data analysis resources - https://t.me/learndataanalysis
Develop Technical Skills:
Gain proficiency in essential tools and technologies such as:
SQL: Learn how to query and manipulate data in relational databases.
Free Resources- @sqlanalyst
Excel: Master data manipulation, basic analysis, and visualization.
Free Resources- @excel_analyst
Data Visualization Tools: Become skilled in tools like Tableau, Power BI, or Python libraries like Matplotlib and Seaborn.
Free Resources- @PowerBI_analyst
Programming: Learn a programming language like Python or R for data analysis and manipulation.
Free Resources- @pythonanalyst
Statistical Packages: Familiarize yourself with packages like Pandas, NumPy, and SciPy (for Python) or ggplot2 (for R).
Hands-On Practice:
Apply your knowledge to real datasets. You can find publicly available datasets on platforms like Kaggle or create your datasets for analysis.
Build a Portfolio:
Create data analysis projects to showcase your skills. Share them on platforms like GitHub, where potential employers can see your work.
Networking:
Attend data-related meetups, conferences, and online communities. Networking can lead to job opportunities and valuable insights.
Data Analysis Projects:
Work on personal or freelance data analysis projects to gain experience and demonstrate your abilities.
Job Search:
Start applying for entry-level data analyst positions or internships. Look for job listings on company websites, job boards, and LinkedIn.
Jobs & Internship opportunities: @getjobss
Prepare for Interviews:
Practice common data analyst interview questions and be ready to discuss your past projects and experiences.
Continual Learning:
The field of data analysis is constantly evolving. Stay updated with new tools, techniques, and industry trends.
Soft Skills:
Develop soft skills like critical thinking, problem-solving, communication, and attention to detail, as they are crucial for data analysts.
Never ever give up:
The journey to becoming a data analyst can be challenging, with complex concepts and technical skills to learn. There may be moments of frustration and self-doubt, but remember that these are normal parts of the learning process. Keep pushing through setbacks, keep learning, and stay committed to your goal.
ENJOY LEARNING 👍👍 | 3 716 |
| 7 |  🚨 BREAKING: PW Skills x Microsoft just launched The Complete Live Gen AI Engineering Program
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| 8 | ✅ Power BI Interview Questions 🎯📊
1️⃣ What is Power BI?
A Microsoft tool for data visualization, reporting, and business intelligence.
2️⃣ What are the building blocks of Power BI?
• Datasets
• Reports
• Dashboards
• Tiles
• Visualizations
3️⃣ Difference between Power BI Desktop and Power BI Service?
• Desktop: Used to create and design reports
• Service: Cloud-based platform to share and collaborate
4️⃣ What is Power Query?
A data transformation tool for cleaning and shaping data before loading into the model.
5️⃣ What is DAX?
Data Analysis Expressions – a formula language used for calculations in Power BI.
6️⃣ What are measures and calculated columns?
• Measure: Calculated on aggregation (e.g. SUM of sales)
• Calculated Column: Row-level computation (e.g. profit = revenue - cost)
7️⃣ What is a slicer?
A visual filter that allows users to dynamically filter data on a report.
8️⃣ How do you handle data refresh in Power BI?
• Schedule refresh via Power BI Service
• Use gateways for on-prem data sources
9️⃣ What is the difference between direct query and import mode?
• Import: Data is loaded into Power BI
• Direct Query: Queries run directly on the source in real time
🔟 What is the Power BI Gateway?
A bridge between on-premise data sources and Power BI cloud service.
💬 Tap ❤️ for more | 3 081 |
| 9 |  Data Analyst Roadmap | 3 497 |
| 10 |  🚀 𝗚𝗼𝗼𝗴𝗹𝗲 𝗙𝗥𝗘𝗘 𝗗𝗮𝘁𝗮 𝗔𝗻𝗮𝗹𝘆𝘁𝗶𝗰𝘀 𝗖𝗼𝘂𝗿𝘀𝗲𝘀 📊🔥
Build a career in Data Analytics with Google FREE courses to help you learn industry-relevant analytics skills from scratch.
🎯 What's Included?
✅ Google Analytics Certification
✅ Google Analytics for Beginners
✅ Google Analytics for Power Users
✅ Advanced Google Analytics
✅ Learn at Your Own Pace
✅ 100% FREE Access
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🚀 Upskill with Google and strengthen your resume with one of the world's most recognized learning platforms! | 3 624 |
| 11 | SQL Detailed Roadmap
|
| | |-- Fundamentals
| |-- Introduction to Databases
| | |-- What SQL does
| | |-- Relational model
| | |-- Tables, rows, columns
| |-- Keys and Constraints
| | |-- Primary keys
| | |-- Foreign keys
| | |-- Unique and check constraints
| |-- Normalization
| | |-- 1NF, 2NF, 3NF
| | |-- ER diagrams
| | |-- Core SQL
| |-- SQL Basics
| | |-- SELECT, WHERE, ORDER BY
| | |-- GROUP BY and HAVING
| | |-- JOINS: INNER, LEFT, RIGHT, FULL
| |-- Intermediate SQL
| | |-- Subqueries
| | |-- CTEs
| | |-- CASE statements
| | |-- Aggregations
| |-- Advanced SQL
| | |-- Window functions
| | |-- Analytical functions
| | |-- Ranking, moving averages, lag and lead
| | |-- UNION, INTERSECT, EXCEPT
| | |-- Data Management
| |-- Data Types
| | |-- Numeric, text, date, JSON
| |-- Indexes
| | |-- B tree and hash indexes
| | |-- When to create indexes
| |-- Transactions
| | |-- ACID properties
| |-- Views
| | |-- Standard views
| | |-- Materialized views
| | |-- Database Design
| |-- Schema Design
| | |-- Star schema
| | |-- Snowflake schema
| |-- Fact and Dimension Tables
| |-- Constraints for clean data
| | |-- Performance Tuning
| |-- Query Optimization
| | |-- Execution plans
| | |-- Index usage
| | |-- Reducing scans
| |-- Partitioning
| | |-- Horizontal partitioning
| | |-- Sharding basics
| | |-- SQL for Analytics
| |-- KPI calculations
| |-- Cohort analysis
| |-- Funnel analysis
| |-- Churn and retention tables
| |-- Time based aggregations
| |-- Window functions for metrics
| | |-- SQL for Data Engineering
| |-- ETL Workflows
| | |-- Staging tables
| | |-- Transformations
| | |-- Incremental loads
| |-- Data Warehousing
| | |-- Snowflake
| | |-- Redshift
| | |-- BigQuery
| |-- dbt Basics
| | |-- Models
| | |-- Tests
| | |-- Lineage
| | |-- Tools and Platforms
| |-- PostgreSQL
| |-- MySQL
| |-- SQL Server
| |-- Oracle
| |-- SQLite
| |-- Cloud SQL
| |-- BigQuery UI
| |-- Snowflake Worksheets
| | |-- Projects
| |-- Build a sales reporting system
| |-- Create a star schema from raw CSV files
| |-- Design a customer segmentation query
| |-- Build a churn dashboard dataset
| |-- Optimize slow queries in a sample DB
| |-- Create an analytics pipeline with dbt
| | |-- Soft Skills and Career Prep
| |-- SQL interview patterns
| |-- Joins practice
| |-- Window function drills
| |-- Query writing speed
| |-- Git and GitHub
| |-- Data storytelling
| | |-- Bonus Topics
| |-- NoSQL intro
| |-- Working with JSON fields
| |-- Spatial SQL
| |-- Time series tables
| |-- CDC concepts
| |-- Real time analytics
| | |-- Community and Growth
| |-- LeetCode SQL
| |-- Kaggle datasets with SQL
| |-- GitHub projects
| |-- LinkedIn posts
| |-- Open source contributions
Free Resources to learn SQL
• W3Schools SQL
https://www.w3schools.com/sql/
• SQL Programming
https://whatsapp.com/channel/0029VanC5rODzgT6TiTGoa1v
• SQL Notes
https://whatsapp.com/channel/0029Vb6hJmM9hXFCWNtQX944
• Mode Analytics SQL tutorials
https://mode.com/sql-tutorial/
• Data Analytics Resources
https://t.me/sqlspecialist
• HackerRank SQL practice
https://www.hackerrank.com/domains/sql
• LeetCode SQL problems
https://leetcode.com/problemset/database/
• Data Engineering Resources
https://whatsapp.com/channel/0029Vaovs0ZKbYMKXvKRYi3C
• Khan Academy SQL basics
https://www.khanacademy.org/computing/computer-programming/sql
• PostgreSQL official docs
https://www.postgresql.org/docs/
• MySQL official docs
https://dev.mysql.com/doc/
• NoSQL Resources
https://whatsapp.com/channel/0029VaxA2hTHgZWe5FpFjm3p
Double Tap ❤️ For More | 3 466 |
| 12 |  +5Data Cleaning Tips ✅ | 4 410 |
| 13 | *📊 Master Microsoft Excel :*
The Excel Tree 👇
|
|── *Basics*
| ├── Workbook / Worksheet
| ├── Rows & Columns
| └── Cells & Ranges
|
|── *Data Entry & Formatting*
| ├── Text / Numbers / Dates
| ├── Cell Formatting (bold, color, borders)
| ├── Conditional Formatting
| └── Cell Styles & Themes
|
|── *Formulas & Functions*
| ├── =SUM(), =AVERAGE()
| ├── =IF(), =AND(), =OR()
| ├── =VLOOKUP() / =HLOOKUP() / =XLOOKUP()
| ├── =INDEX() / =MATCH()
| └── =COUNT(), =COUNTA(), =COUNTIF()
|
|── *Charts & Graphs*
| ├── Bar / Line / Pie / Column
| ├── Combo Charts
| └── Sparklines
|
|── *Data Tools*
| ├── Data Validation
| ├── Remove Duplicates
| ├── Text to Columns
| └── Flash Fill
|
|── *Sorting & Filtering*
| ├── AutoFilter
| ├── Custom Sort
| └── Advanced Filter
|
|── *Pivot Tables & Pivot Charts*
| ├── Summarize large data
| ├── Drag & drop interface
| └── Slicers for filtering
|
|── *Tables & Named Ranges*
| ├── Excel Tables (Insert > Table)
| └── Named Ranges for easy reference
|
|── *Date & Time Functions*
| ├── =TODAY(), =NOW()
| ├── =DATEDIF(), =EDATE()
| └── =TEXT() for formatting
|
|── *Text Functions*
| ├── =LEFT(), =RIGHT(), =MID()
| ├── =LEN(), =FIND(), =SEARCH()
| └── =CONCAT() / =TEXTJOIN()
|
|── *Logical & Lookup Functions*
| ├── =IFERROR()
| ├── =CHOOSE()
| └── =SWITCH()
|
|── *Keyboard Shortcuts*
| ├── Ctrl + Arrow → Jump
| ├── Ctrl + Shift + L → Filter
| └── F2 → Edit Cell
|
|── *Macros & Automation*
| ├── Record Macros
| └── VBA (Visual Basic for Applications)
|
|── *Data Analysis Tools*
| ├── Goal Seek
| ├── Solver
| └── What-If Analysis
|
|── *Best Practices*
| ├── Use tables for dynamic data
| ├── Use comments & named ranges
| └── Avoid merged cells in data tables
|
|── END __
💬 *Double Tap ❤️ if this helped you!* | 4 778 |
| 14 |  SQL Quick Guide
For more join -> t.me/sqlspecialist | 5 019 |
| 15 | 1. Does SQL support programming language features?
It is true that SQL is a language, but it does not support programming as it is not a programming language, it is a command language. We do not have some programming concepts in SQL like for loops or while loop, we only have commands which we can use to query, update, delete, etc. data in the database. SQL allows us to manipulate data in a database.
2. What is a trigger?
Trigger is a statement that a system executes automatically when there is any modification to the database. In a trigger, we first specify when the trigger is to be executed and then the action to be performed when the trigger executes. Triggers are used to specify certain integrity constraints and referential constraints that cannot be specified using the constraint mechanism of SQL.
3. What are aggregate and scalar functions?
For doing operations on data SQL has many built-in functions, they are categorized into two categories and further sub-categorized into seven different functions under each category. The categories are:
Aggregate functions:
These functions are used to do operations from the values of the column and a single value is returned.
Scalar functions:
These functions are based on user input, these too return a single value.
4. Define SQL Order by the statement?
The ORDER BY statement in SQL is used to sort the fetched data in either ascending or descending according to one or more columns.
By default ORDER BY sorts the data in ascending order.
We can use the keyword DESC to sort the data in descending order and the keyword ASC to sort in ascending order.
5. What is the difference between primary key and unique constraints?
The primary key cannot have NULL values, the unique constraints can have NULL values. There is only one primary key in a table, but there can be multiple unique constraints. The primary key creates the clustered index automatically but the unique key does not. | 4 750 |
| 16 | ✅ Data Analyst Mistakes Beginners Should Avoid ⚠️📊
1️⃣ Ignoring Data Cleaning
• Jumping to charts too soon
• Overlooking missing or incorrect data
✅ Clean before you analyze — always
2️⃣ Not Practicing SQL Enough
• Stuck on simple joins or filters
• Can’t handle large datasets
✅ Practice SQL daily — it's your #1 tool
3️⃣ Overusing Excel Only
• Limited automation
• Hard to scale with large data
✅ Learn Python or SQL for bigger tasks
4️⃣ No Real-World Projects
• Watching tutorials only
• Resume has no proof of skills
✅ Analyze real datasets and publish your work
5️⃣ Ignoring Business Context
• Insights without meaning
• Metrics without impact
✅ Understand the why behind the data
6️⃣ Weak Data Visualization Skills
• Crowded charts
• Wrong chart types
✅ Use clean, simple, and clear visuals (Power BI, Tableau, etc.)
7️⃣ Not Tracking Metrics Over Time
• Only point-in-time analysis
• No trends or comparisons
✅ Use time-based metrics for better insight
8️⃣ Avoiding Git & Version Control
• No backup
• Difficult collaboration
✅ Learn Git to track and share your work
9️⃣ No Communication Focus
• Great analysis, poorly explained
✅ Practice writing insights clearly & presenting dashboards
🔟 Ignoring Data Privacy
• Sharing raw data carelessly
✅ Always anonymize and protect sensitive info
💡 Master tools + think like a problem solver — that's how analysts grow fast.
💬 Tap ❤️ for more! | 4 143 |
| 17 | You don’t need to pay $10,000 to learn data analytics
The best ones are often free.
Here are the free resources I recommend that have proven effective:
𝐒𝐐𝐋 & 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬
↳ Mode SQL Tutorial (interactive): https://lnkd.in/ddy6tUJW
↳ SQLBolt (beginner-friendly): https://sqlbolt.com
↳ W3Schools SQL: https://lnkd.in/e6scAPms
𝐄𝐱𝐜𝐞𝐥 𝐟𝐨𝐫 𝐃𝐚𝐭𝐚 𝐀𝐧𝐚𝐥𝐲𝐬𝐢𝐬
↳ Chandoo's Free 14-Week Course: https://lnkd.in/d2zVWHU5
↳ ExcelIsFun YouTube Channel: https://lnkd.in/dCz7V2Xm
𝐏𝐲𝐭𝐡𝐨𝐧 𝐟𝐨𝐫 𝐃𝐚𝐭𝐚 𝐀𝐧𝐚𝐥𝐲𝐬𝐢𝐬
↳ freeCodeCamp (free certificate): https://lnkd.in/drMQePcp
↳ Kaggle Learn: https://lnkd.in/dAQdczQ9
𝐃𝐚𝐭𝐚 𝐕𝐢𝐬𝐮𝐚𝐥𝐢𝐳𝐚𝐭𝐢𝐨𝐧
↳ Tableau Public (free): https://lnkd.in/dPj-V6gC
↳ Looker Studio (free): https://lnkd.in/dZj4tc7Z
𝐂𝐨𝐦𝐩𝐥𝐞𝐭𝐞 𝐏𝐫𝐨𝐠𝐫𝐚𝐦𝐬 (𝐀𝐮𝐝𝐢𝐭 𝐅𝐫𝐞𝐞)
↳ Google Data Analytics Certificate: https://lnkd.in/diTs5J-e
↳ IBM Data Analyst: https://lnkd.in/dvN9AWDN
↳ HubSpot Business Analytics (100% free + certificate): https://lnkd.in/d5RW6KBK
𝐘𝐨𝐮𝐓𝐮𝐛𝐞 𝐂𝐡𝐚𝐧𝐧𝐞𝐥𝐬 𝐈 𝐑𝐞𝐜𝐨𝐦𝐦𝐞𝐧𝐝
↳ Alex The Analyst: https://lnkd.in/dDt2HRMx
↳ Codebasics: https://lnkd.in/de8dg4v8
↳ Luke Barousse: https://lnkd.in/dDm_2GAF
↳ Data with Baraa: https://lnkd.in/dPRB2hAV
𝐏𝐫𝐚𝐜𝐭𝐢𝐜𝐞 𝐰𝐢𝐭𝐡 𝐑𝐞𝐚𝐥 𝐃𝐚𝐭𝐚
↳ Kaggle Datasets: https://lnkd.in/ee9wkuxr
↳ Google Dataset Search: https://lnkd.in/ezaHtmxs
𝐏𝐫𝐨 𝐭𝐢𝐩: Start with SQL + Excel → Add Python → Then visualization tools. | 3 543 |
| 18 | ✅ 🔤 A–Z of Data Analyst 📊💼
A – Analytics
The process of analyzing data to discover insights and support decision-making.
B – Business Intelligence (BI)
Technologies and tools used to analyze business data (Power BI, Tableau).
C – Cleaning (Data Cleaning)
Removing errors, duplicates, and inconsistencies from data.
D – Dashboard
A visual display of key metrics and insights.
E – ETL (Extract, Transform, Load)
Process of collecting, cleaning, and storing data for analysis.
F – Forecasting
Predicting future trends using historical data.
G – Group By
A method to organize data into categories for analysis.
H – Hypothesis Testing
Testing assumptions using statistical methods.
I – Insight
Meaningful information derived from data analysis.
J – Join
Combining data from multiple tables (SQL concept).
K – KPI (Key Performance Indicator)
A measurable value showing business performance.
L – Linear Regression
A statistical method used to predict relationships between variables.
M – Metrics
Quantifiable measures used to track performance.
N – Normalization
Organizing data to reduce redundancy and improve efficiency.
O – Outlier
A data point significantly different from others.
P – Pivot Table
A tool used to summarize and analyze data quickly.
Q – Query
A request to retrieve data from a database.
R – Reporting
Presenting data insights through charts and summaries.
S – SQL
Language used to manage and analyze structured data.
T – Trend Analysis
Identifying patterns or changes over time.
U – Unstructured Data
Data without predefined format (text, images).
V – Visualization
Representing data using charts or graphs.
W – Warehousing (Data Warehouse)
Central storage of large structured datasets.
X – X-axis
Horizontal axis in charts representing variables.
Y – YoY (Year-over-Year)
Comparing data from one year to another.
Z – Z-Score
Statistical measure showing how far a value is from the mean.
Double Tap ♥️ For More | 3 196 |
| 19 | ✅ If you're serious about learning Power BI — follow this roadmap 📊🚀
1. Understand the basics of data visualization: Importance, principles, and best practices 🎨
2. Get familiar with Power BI components: Power BI Desktop, Power BI Service, and Power BI Mobile 📱
3. Install Power BI Desktop: Set up your environment to start building reports 🖥️
4. Learn about data sources: Connect to various data sources (Excel, SQL Server, Web, etc.) 🔗
5. Explore the Power Query Editor: Data transformation and cleaning techniques (ETL processes) 🔄
6. Understand data modeling concepts: Relationships, tables, and data hierarchies 📊
7. Study DAX (Data Analysis Expressions): Basic formulas and functions for calculations 🔢
8. Create visualizations: Charts, tables, maps, and custom visuals 📈
9. Learn about interactive features: Slicers, filters, tooltips, and drill-through options 🔍
10. Design effective dashboards: Layout, color schemes, and user experience principles 🖌️
11. Explore Power BI Service: Publishing reports, sharing dashboards, and collaboration features 🌐
12. Understand row-level security (RLS): Implementing security measures for data access 🔒
13. Learn about Power BI apps: Creating and managing apps for users 📦
14. Explore advanced DAX functions: Time intelligence, CALCULATE, and context transition ⏳
15. Familiarize yourself with Power BI Report Server: On-premises reporting solutions 🏢
16. Integrate with other Microsoft tools: Excel, Teams, and SharePoint for enhanced collaboration 🔗
17. Study performance optimization techniques: Improving report performance and efficiency ⚡
18. Stay updated on new features and updates: Follow the Power BI blog and community forums 📰
19. Practice with sample datasets: Use resources like Microsoft’s sample data or Kaggle datasets 📊
20. Consider obtaining certifications: Microsoft Certified: Data Analyst Associate 🎓
21. Join online communities: Engage with forums like Power BI Community, LinkedIn groups, or Reddit 📢
22. Build a portfolio of projects: Showcase your skills with real-world examples and case studies 🌍
23. Attend webinars and workshops: Learn from experts and gain insights into best practices 🎤
24. Experiment with storytelling through data: Craft narratives that convey insights effectively 📖
Tip: Focus on practical application—build reports based on real business scenarios!
💬 Tap ❤️ for more! | 2 965 |
| 20 | How to Crack a Data Analyst Job Faster
1️⃣ Fix Your Resume
- One page, clean layout, show impact (not tools)
- Example: Improved sales reporting accuracy by 18% using SQL & Power BI
- Add links: GitHub, Portfolio, LinkedIn
2️⃣ Prepare Smart for Interviews
- SQL: joins, window functions, CTEs (daily practice)
- Excel: case questions (pivots, formulas)
- Power BI/Tableau: explain one dashboard end-to-end
- Python: pandas (groupby, merge, missing values)
3️⃣ Master Business Thinking
- Ask why the data exists
- Translate numbers into decisions
- Example: High month-2 churn → poor onboarding
4️⃣ Build a Strong Portfolio
- 3 solid projects > 10 weak ones
- Projects:
- Customer churn analysis
- Sales performance dashboard
- Marketing funnel analysis
5️⃣ Apply With Strategy
- Apply to 5-10 roles daily
- Customize resume keywords
- Reach out to hiring managers (referrals = 3x interviews)
6️⃣ Track Progress
- Maintain interview log
- Fix gaps weekly
🎯 Skills get you shortlisted. Thinking gets you hired. | 3 728 |
