Data Science & Machine Learning
76.3K subscribers
829 photos
68 files
740 links
Join this channel to learn data science, artificial intelligence and machine learning with funny quizzes, interesting projects and amazing resources for free

For collaborations: @love_data
Download Telegram
Which Spark component is used for Machine Learning?
Anonymous Quiz
22%
A) Spark SQL
30%
B) Spark Streaming
44%
C) MLlib
4%
D) GraphX
2
What is the entry point for working with Apache Spark?
Anonymous Quiz
21%
A) SparkContext
36%
B) SparkSession
37%
C) SparkEngine
6%
D) SparkManager
1
Which Spark component is used to process real-time streaming data?
Anonymous Quiz
6%
A) Spark Core
17%
B) Spark SQL
74%
C) Spark Streaming
4%
D) GraphX
1👏1
Which DataFrame operation is used to group data based on a column in Apache Spark?
Anonymous Quiz
11%
A) filter()
16%
B) select()
68%
C) groupBy()
5%
D) sort()
2
🎯𝗙𝗥𝗘𝗘 𝗜𝗻𝘁𝗲𝗿𝘃𝗶𝗲𝘄 𝗣𝗿𝗲𝗽𝗮𝗿𝗮𝘁𝗶𝗼𝗻 𝗖𝗼𝘂𝗿𝘀𝗲𝘀 | 𝗨𝗻𝗹𝗼𝗰𝗸 𝗬𝗼𝘂𝗿 𝗖𝗮𝗿𝗲𝗲𝗿 𝗣𝗼𝘁𝗲𝗻𝘁𝗶𝗮𝗹 🚀

— Perfect for students, freshers, and job seekers preparing for placements or their next big opportunity.

100% FREE learning resources
Helps improve interview confidence + job readiness
Great for placements, internships, off-campus drives, and fresher hiring

🔗 𝗘𝗻𝗿𝗼𝗹𝗹 𝗙𝗼𝗿 𝗙𝗥𝗘𝗘👇:

https://pdlink.in/4fjeMPe

🚀 Start learning today. Build confidence. Crack interviews smarter. Move closer to your dream job.
2
📊 𝗕𝗲𝘀𝘁 𝗬𝗼𝘂𝗧𝘂𝗯𝗲 𝗖𝗵𝗮𝗻𝗻𝗲𝗹𝘀 𝘁𝗼 𝗟𝗲𝗮𝗿𝗻 𝗗𝗮𝘁𝗮 𝗔𝗻𝗮𝗹𝘆𝘁𝗶𝗰𝘀 🚀

You don’t need expensive courses to learn SQL, Excel, Python, Power BI, Tableau, and real-world analytics projects.

The Best YouTube channels for Data Analytics can help you build job-ready skills for internships, placements, and full-time analyst roles — all for FREE.

🔗 𝗘𝗻𝗿𝗼𝗹𝗹 𝗙𝗼𝗿 𝗙𝗥𝗘𝗘👇:

https://pdlink.in/3QO3MQB

🚀Start with one channel, stay consistent, build projects, and your Data Analytics career can genuinely take off.
4
🚀 𝗙𝗥𝗘𝗘 𝗧𝗖𝗦 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻 | 𝗕𝗼𝗼𝘀𝘁 𝗬𝗼𝘂𝗿 𝗖𝗮𝗿𝗲𝗲𝗿🎓

A FREE TCS certification can be a smart way to strengthen your profile, improve job readiness, and stand out in internships, placements, and fresher hiring.

Learn from one of India’s top IT companies
Add a recognized certification to your resume + LinkedIn profile
Great for students, freshers, and placement preparation
Free certifications from trusted brands add real value to your profile

🔗 𝗘𝗻𝗿𝗼𝗹𝗹 𝗙𝗼𝗿 𝗙𝗥𝗘𝗘👇:

https://pdlink.in/4fjeMPe

🎓Earn your free TCS certification. Make your resume stronger.
2
𝗙𝗥𝗘𝗘 𝗣𝘆𝘁𝗵𝗼𝗻 𝗣𝗿𝗼𝗴𝗿𝗮𝗺𝗺𝗶𝗻𝗴 𝗖𝗼𝘂𝗿𝘀𝗲𝘀 | 𝟰 𝗠𝘂𝘀𝘁-𝗧𝗮𝗸𝗲 𝗖𝗼𝘂𝗿𝘀𝗲𝘀 🚀

Python is one of the most beginner-friendly and in-demand programming languages

🎓Perfect For
👨‍🎓 Students
💼 Freshers
💫Coding Beginners
📊 Data / AI / Automation aspirants
🚀 Anyone planning to start a tech career with Python

🔗 𝗘𝗻𝗿𝗼𝗹𝗹 𝗙𝗼𝗿 𝗙𝗥𝗘𝗘👇:

https://pdlink.in/4wjwEz2

🚀 Build Python skills for free. Take your first step toward a stronger tech career.
4
What is the difference between data scientist, data engineer, data analyst and business intelligence?

🧑🔬 Data Scientist
Focus: Using data to build models, make predictions, and solve complex problems.
Cleans and analyzes data
Builds machine learning models
Answers “Why is this happening?” and “What will happen next?”
Works with statistics, algorithms, and coding (Python, R)
Example: Predict which customers are likely to cancel next month

🛠️ Data Engineer
Focus: Building and maintaining the systems that move and store data.
Designs and builds data pipelines (ETL/ELT)
Manages databases, data lakes, and warehouses
Ensures data is clean, reliable, and ready for others to use
Uses tools like SQL, Airflow, Spark, and cloud platforms (AWS, Azure, GCP)
Example: Create a system that collects app data every hour and stores it in a warehouse

📊 Data Analyst
Focus: Exploring data and finding insights to answer business questions.
Pulls and visualizes data (dashboards, reports)
Answers “What happened?” or “What’s going on right now?”
Works with SQL, Excel, and tools like Tableau or Power BI
Less coding and modeling than a data scientist
Example: Analyze monthly sales and show trends by region

📈 Business Intelligence (BI) Professional
Focus: Helping teams and leadership understand data through reports and dashboards.
Designs dashboards and KPIs (key performance indicators)
Translates data into stories for non-technical users
Often overlaps with data analyst role but more focused on reporting
Tools: Power BI, Looker, Tableau, Qlik
Example: Build a dashboard showing company performance by department

🧩 Summary Table
Data Scientist - What will happen? Tools: Python, R, ML tools, predictions & models
Data Engineer - How does the data move and get stored? Tools: SQL, Spark, cloud tools, infrastructure & pipelines
Data Analyst - What happened? Tools: SQL, Excel, BI tools, reports & exploration
BI Professional - How can we see business performance clearly? Tools: Power BI, Tableau, dashboards & insights for decision-makers

🎯 In short:
Data Engineers build the roads.
Data Scientists drive smart cars to predict traffic.
Data Analysts look at traffic data to see patterns.
BI Professionals show everyone the traffic report on a screen.
8👍2
𝗞𝗶𝗰𝗸𝘀𝘁𝗮𝗿𝘁 𝗬𝗼𝘂𝗿 𝗔𝗜 𝗝𝗼𝘂𝗿𝗻𝗲𝘆 | 𝟱 𝗠𝘂𝘀𝘁-𝗪𝗮𝘁𝗰𝗵 𝗙𝗥𝗘𝗘 𝗩𝗶𝗱𝗲𝗼𝘀 🚀

The good news is — you don’t need expensive courses to understand the basics of AI, Machine Learning, Neural Networks, Prompting, and real-world AI tools.

This guide features 5 must-watch FREE AI videos that can help you build a strong foundation in AI concepts

🔗 𝗘𝗻𝗿𝗼𝗹𝗹 𝗙𝗼𝗿 𝗙𝗥𝗘𝗘👇:

https://pdlink.in/4gn4LS5

🚀 Start watching today. Learn AI step by step. Build future-ready skills for free.
1