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Data Science & Machine Learning

Data Science & Machine Learning

Kanalga Telegramโ€™da oโ€˜tish

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

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๐Ÿ“ˆ Telegram kanali Data Science & Machine Learning analitikasi

Data Science & Machine Learning (@datasciencefun) Ingliz til segmentidagi kanali faol ishtirokchi. Hozirda hamjamiyat 75 684 obunachidan iborat bo'lib, Taสผlim toifasida 2 114-o'rinni va Hindiston mintaqasida 4 348-o'rinni egallagan.

๐Ÿ“Š Auditoriya koโ€˜rsatkichlari va dinamika

ะฝะตะฒั–ะดะพะผะพ sanasidan buyon loyiha tez oโ€˜sib, 75 684 obunachiga ega boโ€˜ldi.

12 Iyun, 2026 dagi oxirgi maโ€™lumotlarga koโ€˜ra kanal barqaror faollikka ega. Oxirgi 30 kunda obunachilar soni 923 ga, soโ€˜nggi 24 soatda esa 31 ga oโ€˜zgardi va umumiy qamrov yuqori darajada qolmoqda.

  • Tasdiqlash holati: Tasdiqlanmagan
  • Jalb etish (ER): Auditoriya oโ€˜rtacha 3.63% darajada jalb etiladi. Nashrdan keyingi dastlabki 24 soatda kontent odatda umumiy obunachilar sonining 1.36% ini tashkil etuvchi reaksiyalarni toโ€˜playdi.
  • Post qamrovi: Har bir post oโ€˜rtacha 2 744 marta koโ€˜riladi; birinchi sutkada odatda 1 026 ta koโ€˜rish yigโ€˜iladi.
  • Reaksiyalar va oโ€˜zaro taโ€™sir: Auditoriya faol: har bir postga oโ€˜rtacha 5 ta reaksiya keladi.
  • Tematik yoโ€˜nalishlar: Kontent learning, accuracy, distribution, panda, dataset kabi asosiy mavzularga jamlangan.

๐Ÿ“ Tavsif va kontent siyosati

Muallif resursni shaxsiy fikrni ifoda etish maydoni sifatida taโ€™riflaydi:
โ€œJoin this channel to learn data science, artificial intelligence and machine learning with funny quizzes, interesting projects and amazing resources for free For collaborations: @love_dataโ€

Yuqori yangilanish chastotasi (oxirgi maโ€™lumot 13 Iyun, 2026 da olingan) sababli kanal doimo dolzarb va katta qamrovli boโ€˜lib qoladi. Analitika auditoriya kontent bilan faol hamkorlik qilishini, uni Taสผlim toifasidagi muhim taโ€™sir nuqtasiga aylantirishini koโ€˜rsatadi.

75 684
Obunachilar
+3124 soatlar
+2057 kunlar
+92330 kunlar
Postlar arxiv
Which function is used to apply a lambda to every item in a list?
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What does this lambda function do? lambda x, y: x + y
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How many expressions can a lambda function contain?
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Which keyword is NOT used to define a lambda function?
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What is a lambda function in Python?
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How to flatten a 2D list [[1, 2], [3, 4]] using list comprehension?
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Which comprehension creates all pairs from two lists [1,2] and [3,4]?
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What will this return? ["Even" if x % 2 == 0 else "Odd" for x in range(3)]
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How do you include a condition inside a list comprehension?
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What does this list comprehension do? [x**2 for x in range(5)]
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20 essential Python libraries for data science: ๐Ÿ”น pandas: Data manipulation and analysis. Essential for handling DataFrames. ๐Ÿ”น numpy: Numerical computing. Perfect for working with arrays and mathematical functions. ๐Ÿ”น scikit-learn: Machine learning. Comprehensive tools for predictive data analysis. ๐Ÿ”น matplotlib: Data visualization. Great for creating static, animated, and interactive plots. ๐Ÿ”น seaborn: Statistical data visualization. Makes complex plots easy and beautiful. Data Science ๐Ÿ”น scipy: Scientific computing. Provides algorithms for optimization, integration, and more. ๐Ÿ”น statsmodels: Statistical modeling. Ideal for conducting statistical tests and data exploration. ๐Ÿ”น tensorflow: Deep learning. End-to-end open-source platform for machine learning. ๐Ÿ”น keras: High-level neural networks API. Simplifies building and training deep learning models. ๐Ÿ”น pytorch: Deep learning. A flexible and easy-to-use deep learning library. ๐Ÿ”น mlflow: Machine learning lifecycle. Manages the machine learning lifecycle, including experimentation, reproducibility, and deployment. ๐Ÿ”น pydantic: Data validation. Provides data validation and settings management using Python type annotations. ๐Ÿ”น xgboost: Gradient boosting. An optimized distributed gradient boosting library. ๐Ÿ”น lightgbm: Gradient boosting. A fast, distributed, high-performance gradient boosting framework.

๐— ๐—ฎ๐˜€๐˜๐—ฒ๐—ฟ ๐—ฆ๐—ค๐—Ÿ ๐—ถ๐—ป ๐—๐˜‚๐˜€๐˜ ๐Ÿณ ๐——๐—ฎ๐˜†๐˜€: ๐—ง๐—ต๐—ฒ ๐—จ๐—น๐˜๐—ถ๐—บ๐—ฎ๐˜๐—ฒ ๐—™๐—ฟ๐—ฒ๐—ฒ ๐—ฅ๐—ผ๐—ฎ๐—ฑ๐—บ๐—ฎ๐—ฝ ๐˜๐—ผ ๐—š๐—ฒ๐˜ ๐—๐—ผ๐—ฏ-๐—ฅ๐—ฒ๐—ฎ๐—ฑ๐˜†๏ฟฝ
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Advanced Questions Asked by Big 4 ๐Ÿ“Š Excel Questions 1. How do you use Excel to forecast future trends based on historical data? Describe a scenario where you built a forecasting model. 2. Can you explain how you would automate repetitive tasks in Excel using VBA (Visual Basic for Applications)? Provide an example of a complex macro you created. 3. Describe a time when you had to merge and analyze data from multiple Excel workbooks. How did you ensure data integrity and accuracy? ๐Ÿ—„ SQL Questions 1. How would you design a database schema for a new e-commerce platform to efficiently handle large volumes of transactions and user data? 2. Describe a complex SQL query you wrote to solve a business problem. What was the problem, and how did your query help resolve it? 3. How do you ensure data integrity and consistency in a multi-user database environment? Explain the techniques and tools you use. ๐Ÿ Python Questions 1. How would you use Python to automate data extraction from various APIs and combine the data for analysis? Provide an example. 2. Describe a machine learning project you worked on using Python. What was the objective, and how did you approach the data preprocessing, model selection, and evaluation? 3. Explain how you would use Python to detect and handle anomalies in a dataset. What techniques and libraries would you employ? ๐Ÿ“ˆ Power BI Questions 1. How do you create interactive dashboards in Power BI that can dynamically update based on user inputs? Provide an example of a dashboard you built. 2. Describe a scenario where you used Power BI to integrate data from non-traditional sources (e.g., web scraping, APIs). How did you handle the data transformation and visualization? 3. How do you ensure the performance and scalability of Power BI reports when dealing with large datasets? Describe the techniques and best practices you follow. ๐Ÿ’ก Tips for Success: Understand the business context: Tailor your answers to show how your technical skills solve real business problems. Provide specific examples: Highlight your past experiences with concrete examples. Stay updated: Continuously learn and adapt to new tools and methodologies. Hope it helps :)

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Since many of you got the last question incorrect, let's understand Confusion Matrix in detail A Confusion Matrix is used to evaluate how well a classification model performs by comparing actual vs predicted outcomes. ๐Ÿ” Structure: โ€ข Actual Positive, Predicted Positive โ†’ โœ… True Positive (TP) โ€ข Actual Positive, Predicted Negative โ†’ โŒ False Negative (FN) โ€ข Actual Negative, Predicted Positive โ†’ โŒ False Positive (FP) โ€ข Actual Negative, Predicted Negative โ†’ โœ… True Negative (TN) ๐Ÿ“˜ Key Terms: โ€ข TP: Predicted Positive & Actually Positive โ€ข TN: Predicted Negative & Actually Negative โ€ข FP: Predicted Positive but Actually Negative โ€ข FN: Predicted Negative but Actually Positive ๐Ÿงฎ Formulas: โ€ข ร—Accuracyร— = (TP + TN) / Total โ€ข ร—Precisionร— = TP / (TP + FP) โ€ข ร—Recallร— = TP / (TP + FN) โ€ข ร—F1 Scoreร— = 2 ร— (Precision ร— Recall) / (Precision + Recall) ๐Ÿ’ก Analogy: Spam Email Detector โ€ข TP: Spam email marked as spam โ€ข TN: Real email marked as not spam โ€ข FP: Real email marked as spam โ€ข FN: Spam email marked as real ๐Ÿ’ฌ React with โค๏ธ for more such tutorials!

In a disease detection model, a patient has the disease, but the model predicts they donโ€™t. Which cell of the confusion matrix does this case fall into?
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In a disease detection model, a patient has the disease, but the model predicts they donโ€™t.
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Machine Learning Project Ideas ๐Ÿ’ก
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Machine Learning Project Ideas ๐Ÿ’ก