CS CORNER Sunita Rai
2.16K subscribers
601 photos
76 videos
371 files
1.3K links
All study material AND coding related stuffs 🎁

You will find here ❀

Group Link: telegram.me/cscorner
Discussion Link: telegram.me/cscornersunitarai

Follow Insta for more Notes πŸ™‚

Link : https://www.instagram.com/cscornersunitarai
Download Telegram
Data Analyst Roadmap

Like if it helps ❀️
πŸŽ‰1
LINUX COMMAND CHEATSHEET
βœ… *Machine Learning Learning Checklist* πŸ€–πŸ“˜

πŸ“š *Fundamentals*
- [ ] Math Essentials (Linear Algebra, Calculus, Probability, Statistics)
- [ ] Python Programming
- [ ] Data Structures & Algorithms
- [ ] Jupyter / Google Colab for experiments

πŸ“Š *Data Preprocessing*
- [ ] NumPy & Pandas
- [ ] Handling Missing Data & Outliers
- [ ] Feature Engineering
- [ ] Feature Scaling & Encoding
- [ ] Train-Test Split & Cross-Validation

🧠 *Core ML Concepts*
- [ ] Supervised Learning
- [ ] Unsupervised Learning
- [ ] Overfitting vs Underfitting
- [ ] Bias-Variance Tradeoff
- [ ] Evaluation Metrics (Accuracy, Precision, Recall, F1)

πŸ“ˆ *Key ML Algorithms*
- [ ] Linear & Logistic Regression
- [ ] K-Nearest Neighbors (KNN)
- [ ] Decision Trees & Random Forest
- [ ] Support Vector Machines (SVM)
- [ ] Naive Bayes
- [ ] Clustering (K-Means, Hierarchical)
- [ ] Dimensionality Reduction (PCA, t-SNE)

πŸ› οΈ *Libraries & Tools*
- [ ] Scikit-learn
- [ ] XGBoost / LightGBM
- [ ] Statsmodels
- [ ] MLflow (Experiment Tracking)
- [ ] Git & GitHub

πŸ“‚ *Projects to Build*
- [ ] House Price Prediction
- [ ] Spam Email Classifier
- [ ] Loan Approval Predictor
- [ ] Customer Segmentation
- [ ] Fraud Detection System

πŸš€ *Practice & Growth*
- [ ] Kaggle Competitions
- [ ] Study ML Case Studies
- [ ] Learn from Notebooks & Blogs
- [ ] Read Research Papers (optional)
- [ ] Document Projects in Portfolio

πŸ’¬ *Tap ❀️ for more!*
❀1
https://whatsapp.com/channel/0029VbAp72v05MUm5UPXXB0k

Guys I have started my WhatsApp channel βœ¨πŸ€—
❀1
πŸš€ Roadmap to Master Python Programming πŸ”°

πŸ“‚ Python Fundamentals
β€ƒβˆŸπŸ“‚ Learn Syntax, Variables & Data Types
β€ƒβ€ƒβˆŸπŸ“‚ Master Control Flow & Functions
β€ƒβ€ƒβ€ƒβˆŸπŸ“‚ Practice with Simple Projects

πŸ“‚ Intermediate Concepts
β€ƒβˆŸπŸ“‚ Object-Oriented Programming (OOP)
β€ƒβ€ƒβˆŸπŸ“‚ Work with Modules & Packages
β€ƒβ€ƒβ€ƒβˆŸπŸ“‚ Understand Exception Handling & File I/O

πŸ“‚ Data Structures & Algorithms
β€ƒβˆŸπŸ“‚ Lists, Tuples, Dictionaries & Sets
β€ƒβ€ƒβˆŸπŸ“‚ Algorithms & Problem Solving
β€ƒβ€ƒβ€ƒβˆŸπŸ“‚ Master Recursion & Iteration

πŸ“‚ Python Libraries & Tools
β€ƒβˆŸπŸ“‚ Get Comfortable with Pip & Virtual Environments
β€ƒβ€ƒβˆŸπŸ“‚ Learn NumPy & Pandas for Data Handling
β€ƒβ€ƒβ€ƒβˆŸπŸ“‚ Explore Matplotlib & Seaborn for Visualization

πŸ“‚ Web Development with Python
β€ƒβˆŸπŸ“‚ Understand Flask & Django Frameworks
β€ƒβ€ƒβˆŸπŸ“‚ Build RESTful APIs
β€ƒβ€ƒβ€ƒβˆŸπŸ“‚ Integrate Front-End & Back-End

πŸ“‚ Advanced Topics
β€ƒβˆŸπŸ“‚ Concurrency: Threads & Asyncio
β€ƒβ€ƒβˆŸπŸ“‚ Learn Testing with PyTest
β€ƒβ€ƒβ€ƒβˆŸπŸ“‚ Dive into Design Patterns

πŸ“‚ Projects & Real-World Applications
β€ƒβˆŸπŸ“‚ Build Command-Line Tools & Scripts
β€ƒβ€ƒβˆŸπŸ“‚ Contribute to Open-Source
β€ƒβ€ƒβ€ƒβˆŸπŸ“‚ Showcase on GitHub & Portfolio

πŸ“‚ Interview Preparation & Job Hunting
β€ƒβˆŸπŸ“‚ Solve Python Coding Challenges
β€ƒβ€ƒβˆŸπŸ“‚ Master Data Structures & Algorithms Interviews
β€ƒβ€ƒβ€ƒβˆŸπŸ“‚ Network & Apply for Python Roles

βœ…οΈ Happy Coding

React "❀️" for More πŸ‘¨β€πŸ’»
❀1
πŸ“Š *Complete Tableau Learning Roadmap (Beginner to Expert)* πŸš€

πŸ”° *Beginner Level:*
1. *Introduction to Tableau* – What is Tableau, Interface Overview
2. *Connecting to Data* – Excel, CSV, SQL, Web Data Connectors
3. *Dimensions vs Measures* – Understanding Data Types
4. *Basic Charts* – Bar, Line, Pie, Text Tables
5. *Filters & Sorting* – Manual, Conditional, Top N Filters
6. *Basic Calculated Fields* – String, Number & Date Functions
7. *Building Dashboards* – Combine multiple visuals

βš™οΈ *Intermediate Level:*
1. *Table Calculations* – INDEX(), RANK(), RUNNING_SUM()
2. *Level of Detail (LOD) Expressions* – FIXED, INCLUDE, EXCLUDE
3. *Dual Axis & Combo Charts* – Compare multiple metrics
4. *Parameters* – Create interactive controls
5. *Actions in Dashboards* – Filter, URL, Highlight Actions
6. *Maps & Geospatial Visuals* – Filled Maps, Symbol Maps
7. *Date Functions & Relative Dates* – Rolling months, YTD, etc.

πŸ† *Expert Level:*
1. *Advanced LOD Use Cases* – Nested LODs, vs Table Calcs
2. *Performance Optimization* – Extracts, Aggregations, Filters
3. *Custom Tooltips & Interactivity* – Dynamic content
4. *KPI Dashboards* – Business-ready reports with KPIs & Trends
5. *Design Principles* – UX/UI best practices for data storytelling
6. *Integration with Python/R* – Predictive modeling & scripts
7. *Tableau Prep* – Data cleaning, shaping, and flows

πŸ’‘ *Bonus:* Practice on real-world datasets like Superstore, Airbnb, World Bank, or COVID data.

πŸ’¬ *Tap ❀️ if you want detailed tips on each Tableau concept!*
Networking Commands You Must Know
10 Data Analyst Project Ideas to Boost Your Portfolio

βœ… Sales Dashboard (Power BI/Tableau) – Analyze revenue, region-wise trends, and KPIs
βœ… HR Analytics – Employee attrition, retention trends using Excel/SQL/Power BI
βœ… Customer Segmentation (SQL + Excel) – Analyze buying patterns and group customers
βœ… Survey Data Analysis – Clean, visualize, and interpret survey insights
βœ… E-commerce Data Analysis – Funnel analysis, product trends, and revenue mapping
βœ… Superstore Sales Analysis – Use public datasets to show time series and cohort trends
βœ… Marketing Campaign Effectiveness – SQL + A/B test analysis with statistical methods
βœ… Financial Dashboard – Visualize profit, loss, and KPIs using Power BI
βœ… YouTube/Instagram Analytics – Use social media data to find audience behavior insights
βœ… SQL Reporting Automation – Build and schedule automated SQL reports and visualizations

React ❀️ for more
❀2πŸ‘1