🚀 Roadmap to Master Data Science in 60 Days! 📊🤖

📅 Week 1–2: Python & Data Handling Basics
- Day 1–5: Python fundamentals — variables, loops, functions, lists, dictionaries
- Day 6–10: NumPy & Pandas — arrays, data cleaning, filtering, data manipulation

📅 Week 3–4: Data Analysis & Visualization
- Day 11–15: Data analysis — EDA (Exploratory Data Analysis), statistics basics, data preprocessing
- Day 16–20: Data visualization — Matplotlib, Seaborn, charts, dashboards, storytelling with data

📅 Week 5–6: Machine Learning Fundamentals
- Day 21–25: ML concepts — supervised vs unsupervised learning, regression, classification
- Day 26–30: ML algorithms — Linear Regression, Logistic Regression, Decision Trees, KNN

📅 Week 7–8: Advanced ML & Model Building
- Day 31–35: Model evaluation — train/test split, cross-validation, accuracy, precision, recall
- Day 36–40: Scikit-learn, feature engineering, model tuning, clustering (K-Means)

📅 Week 9: SQL & Real-World Data Skills
- Day 41–45: SQL — SELECT, WHERE, JOIN, GROUP BY, subqueries
- Day 46–50: Working with real datasets, Kaggle practice, data pipelines basics

📅 Final Days: Projects + Deployment
- Day 51–60:
– Build 2–3 projects (sales prediction, customer segmentation, recommendation system)
– Create portfolio on GitHub
– Learn basics of model deployment (Streamlit/Flask)
– Prepare for data science interviews

⭐ Bonus Tip: Focus more on projects than theory — companies hire for practical skills.

Double Tap ♥️ For Detailed Explanation of Each Topic

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Right expectations -> Amazing results

Today, let's start with the first topic of Data Science Roadmap:

🚀 Python Fundamentals (Variables Data Types)

🐍 This is the foundation of data science.

🔹 1. What is Python?

Python is a simple and powerful programming language used for:
✅ Data analysis
✅ Machine learning
✅ AI
✅ Automation
✅ Web development

👉 Data scientists use Python because it’s easy and has powerful libraries.

🔹 2. Variables in Python

Variables store data values.

✅ Syntax
name = "Ajay"
age = 25
salary = 50000

👉 No need to declare data type separately.

✅ Rules:
✔ Cannot start with numbers → ❌ 1name
✔ Case-sensitive → age ≠ Age
✔ Use meaningful names

🔹 3. Basic Data Types (Very Important)
✅ 1. Integer (int) — Whole numbers
x = 10
✅ 2. Float — Decimal numbers
price = 99.99
✅ 3. String (str) — Text
name = "Data Scientist"
✅ 4. Boolean (bool) — True/False
is_passed = True

🔹 4. Check Data Type
x = 10
print(type(x))
Output: <class 'int'>

🔹 5. Simple Practice (Must Do)
Try running this:
name = "Rahul"
age = 23
height = 5.9
is_student = True
print(name)
print(age)
print(type(height))

🎯 Today’s Goal
✅ Understand variables
✅ Learn data types
✅ Run Python code at least once

👉 Use: Google Colab / Jupyter Notebook / VS Code.

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Now, let's move to the next topic of Data Science Roadmap

✅ Python Operators

🐍⚡ Operators help perform operations on variables and values.

🔹 1. Arithmetic Operators (Math Operations)

Used for calculations.
- Addition (5 + 2 = 7)
- Subtraction (5 - 2 = 3)
- Multiplication (5 * 2 = 10)
- Division (5 / 2 = 2.5)
- % Modulus (remainder) (5 % 2 = 1)
- Power (2 3 = 8)
- // Floor division (5 // 2 = 2)

✅ Example:

a = 10
b = 3
print(a + b)
print(a % b)
print(a ** b)

🔹 2. Comparison Operators (Return True/False)

Used for decision making.

- == Equal
- != Not equal
- > Greater than
- < Less than
- >= Greater or equal
- <= Less or equal

✅ Example:

x = 5
print(x > 3)  # True
print(x == 5)  # True

🔹 3. Logical Operators

Used to combine conditions.

- and: Both conditions true
- or: At least one true
- not: Reverse result

✅ Example:

age = 20
print(age > 18 and age < 30)

🔹 4. Assignment Operators

Used to assign values.

x = 5
x += 2  # x = x + 2
x -= 1
x *= 3

🔹 5. Practice (Must Try)

a = 15
b = 4
print(a + b)
print(a > b)
print(a % b)
print(a < 20 and b < 10)

🎯 Today’s Goal
✅ Learn arithmetic operations
✅ Understand comparisons (True/False)
✅ Use logical conditions

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