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Сеть:📈 Аналитический обзор Telegram-канала Data Science & Machine Learning
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С момента создания невідомо проект демонстрирует стремительный рост, собрав аудиторию из 77 729 подписчиков.
Согласно последним данным от 28 октября, 2026, канал показывает стабильную активность. За последние 30 дней изменение числа участников составило 136, а за последние 24 часа — -7, при этом общий охват остаётся высоким.
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- Уровень вовлечённости (ER): Средний показатель вовлечённости аудитории составляет 3.26%. В первые 24 часа после публикации контент обычно набирает 1.15% реакций от общего числа подписчиков.
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- Реакции и взаимодействия: Аудитория активно поддерживает контент: среднее количество реакций на один пост — 3.
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📝 Описание и контентная политика
Автор описывает ресурс как площадку для выражения субъективного мнения:
“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”
Благодаря высокой частоте обновлений (последние данные получены 29 октября, 2026) канал поддерживает актуальность и высокий уровень охвата публикаций. Аналитика показывает, что аудитория активно взаимодействует с контентом, что делает его важной точкой влияния в категории Образование.
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✅ Logistic Regression Basics 🤖📊
👉 After predicting numbers (Linear Regression), now we predict categories.
🔹 1. What is Logistic Regression?
Logistic Regression is used for classification problems.
👉 Output is NOT a number — it’s a category.
Examples:
✔ Spam or Not Spam
✔ Pass or Fail
✔ Fraud or Not Fraud
🔥 2. How it Works
Instead of a straight line, it uses a Sigmoid Function:
\sigma(x) = 1 / (1 + e⁻)}
👉 Output is always between 0 and 1
👉 This is treated as probability
🔹 3. Decision Boundary
👉 If probability > 0.5 → Class 1
👉 If probability < 0.5 → Class 0
🔹 4. Example
👉 Predict if a student passes:
Study Hours Result
2 Fail
5 Pass
👉 Model learns boundary between pass/fail.
🔹 5. Implementation
from sklearn.linear_model import LogisticRegression
# Sample data
X = [[1], [2], [3], [4]]
y = [0, 0, 1, 1]
model = LogisticRegression()
model.fit(X, y)
print(model.predict([[3]]))
Which library is used for Linear Regression in Python?
What type of problem does Linear Regression solve?
✅ Linear Regression Basics 📈🤖
👉 This is the most important and beginner-friendly algorithm in Machine Learning.
🔹 1. What is Linear Regression?
Linear Regression is used to predict a continuous value.
👉 Example:
✔ Predict salary
✔ Predict house price
✔ Predict sales
🔥 2. Basic Idea
👉 It finds a straight line that best fits the data.
Equation:
y = mx + c
Where:
✔ y → Output (target)
✔ x → Input (feature)
✔ m → Slope
✔ c → Intercept
🔹 3. Example
👉 Predict Salary based on Experience
Experience Salary
1 year 20k
2 years 30k
3 years 40k
👉 Model learns pattern → predicts future salary.
🔹 4. Simple Implementation (Python)
from sklearn.linear_model import LinearRegression
# Sample data
X = [[1], [2], [3]]
y = [20000, 30000, 40000]
model = LinearRegression()
model.fit(X, y)
# Prediction
print(model.predict([[4]]))
👉 Output: ∼50000 (approx)
🔹 5. Important Terms ⭐
✔ Feature (X) → Input
✔ Target (y) → Output
✔ Model → Learns relationship
✔ Prediction → Output from model
🔹 6. Assumptions of Linear Regression
✔ Linear relationship
✔ No extreme outliers
✔ Independent features
🔹 7. Why Linear Regression is Important?
✔ Easy to understand
✔ Used in real-world predictions
✔ Foundation for advanced ML
🎯 Today’s Goal
✔ Understand regression concept
✔ Learn equation (y = mx + c)
✔ Implement simple model
👉 Linear Regression = First step into ML modeling 🚀
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Which of the following is an example of supervised learning?
✅ Machine Learning Basics You Should Know 🤖📊
🔹 1. What is Machine Learning?
Machine Learning = Teaching computers to learn patterns from data without explicit programming
👉 Instead of rules → we give data → model learns patterns.
🔥 2. Types of Machine Learning
✅ 1. Supervised Learning ⭐
👉 Model learns from labeled data
Examples:
✔ Predict house price
✔ Email spam detection
Common Algorithms:
- Linear Regression
- Logistic Regression
- Decision Trees
✅ 2. Unsupervised Learning
👉 Model finds patterns in unlabeled data
Examples:
✔ Customer segmentation
✔ Grouping similar data
Common Algorithms:
- K-Means Clustering
- Hierarchical Clustering
✅ 3. Reinforcement Learning
👉 Model learns through rewards and penalties
Example:
✔ Game playing AI
🔹 3. ML Workflow (Very Important ⭐)
👉 Step-by-step process:
1️⃣ Collect Data
2️⃣ Clean Data
3️⃣ Perform EDA
4️⃣ Split Data (Train/Test)
5️⃣ Train Model
6️⃣ Evaluate Model
7️⃣ Deploy Model
🔹 4. Train-Test Split
from sklearn.model_selection import train_test_split
👉 Used to divide data into:
✔ Training data
✔ Testing data
🔹 5. Example (Simple ML Idea)
👉 Predict Salary based on Experience
Input → Experience
Output → Salary
🔹 6. Why ML is Important?
✔ Automates decision-making
✔ Used in AI, recommendations, predictions
✔ Core of modern tech
🎯 Today’s Goal
✔ Understand ML types
✔ Learn workflow
✔ Understand supervised vs unsupervised
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What is the probability of getting an even number when rolling a dice?
What is the probability of getting a Head in a fair coin toss?
