Data Science kya hai?
Data Science ek aisa field hai jisme hum bade-bade data ko collect karke, saaf karke aur analyze karke usme se important jankari nikalte hain. Ye jankari company ko decision lene me help karti hai.
Aasan bhasha me – Data Science = Data + Science + Computer + Business
Data Science ka use kaha hota hai?
- E-commerce: Amazon, Flipkart tumhe wahi product dikhate hain jo tumhe pasand aaye
- Netflix/YouTube: Tumhare liye movie aur video suggest karna
- Banking: Loan milega ya nahi ye decide karna
- Healthcare: Bimari ka prediction karna
- Cricket: Player ki performance analyze karna
Data Scientist banne ke liye kya skills chahiye?
- Python Programming – Data handle karne ke liye
- Statistics aur Maths – Mean, Median, Probability
- Pandas, NumPy – Data ko table me kaam karna
- Data Visualization – Graph banana Matplotlib se
- Machine Learning – Future prediction ke liye
- SQL – Database se data nikalna
Data Scientist ki Salary kitni hai 2026 me?
| Experience | Salary |
| Fresher | 6 LPA – 12 LPA |
| 2-4 Years | 12 LPA – 25 LPA |
| 5+ Years | 25 LPA – 50 LPA+ |
Data Science ka Roadmap
Step 1: Python sikho
Step 2: Statistics basic
Step 3: Pandas aur NumPy
Step 4: Data Visualization
Step 5: Machine Learning
Step 6: Projects + Portfolio
Conclusion
Data Science future ki sabse demand wali job hai. Agar aapko Python aata hai to aap 50% aage ho.
Chapter 2 me hum Data Science ke Tools ke baare me padhenge.