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Data science/ML/AI
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Data science and machine learning hub Python, SQL, stats, ML, deep learning, projects, PDFs, roadmaps and AI resources. For beginners, data scientists and ML engineers 👉 https://rebrand.ly/bigdatachannels DMCA: @disclosure_bds Contact: @mldatascientist
Mostrar más📈 Análisis del canal de Telegram Data science/ML/AI
El canal Data science/ML/AI (@datascience_bds) en el segmento lingüístico de Inglés es un actor destacado. Actualmente la comunidad reúne a 13 747 suscriptores, ocupando la posición 9 362 en la categoría Tecnologías y Aplicaciones y el puesto 30 732 en la región India.
📊 Métricas de audiencia y dinámica
Desde su creación el невідомо, el proyecto ha mostrado un crecimiento acelerado, reuniendo a 13 747 suscriptores.
Según los últimos datos del 23 junio, 2026, el canal mantiene una actividad estable. En los últimos 30 días la variación de miembros fue de 166, y en las últimas 24 horas de 14, conservando un alto alcance.
- Estado de verificación: No verificado
- Tasa de interacción (ER): El promedio de interacción de la audiencia es 7.99%. Durante las primeras 24 horas tras publicar, el contenido suele obtener 1.79% de reacciones respecto al total de suscriptores.
- Alcance de las publicaciones: Cada publicación recibe en promedio 1 098 visualizaciones. En el primer día suele acumular 246 visualizaciones.
- Reacciones e interacción: La audiencia responde de forma activa: el promedio de reacciones por publicación es 6.
- Intereses temáticos: El contenido se centra en temas clave como panda, learning, row, api, ethic.
📝 Descripción y política de contenido
El autor describe el recurso como un espacio para expresar opiniones subjetivas:
“Data science and machine learning hub
Python, SQL, stats, ML, deep learning, projects, PDFs, roadmaps and AI resources.
For beginners, data scientists and ML engineers
👉 https://rebrand.ly/bigdatachannels
DMCA: @disclosure_bds
Contact: @mldatasci...”
Gracias a la alta frecuencia de actualizaciones (últimos datos recibidos el 24 junio, 2026), el canal mantiene la vigencia y un amplio alcance. La analítica demuestra que la audiencia interactúa activamente con el contenido, lo que lo convierte en un punto de referencia dentro de la categoría Tecnologías y Aplicaciones.
13 747
Suscriptores
+1424 horas
+237 días
+16630 días
Carga de datos en curso...
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Publicaciones del Canal
| 2 | Lecture Notes for Machine Learning and Data Science Courses
From Information School, University of Washington | 392 |
| 3 |  Logistic Regression | 510 |
| 4 | ML & DL Lecture Notes.pdf | 559 |
| 5 | MySQL Functions.pdf | 74 |
| 6 | ▎Common AI Terms
1. Artificial Intelligence (AI): The simulation of human intelligence processes by machines, particularly computer systems, encompassing learning, reasoning, and self-correction.
2. Machine Learning (ML): A subset of AI that focuses on the development of algorithms that allow computers to learn from and make predictions or decisions based on data.
3. Deep Learning: A specialized area of machine learning that uses neural networks with many layers (deep neural networks) to model complex patterns in large datasets.
4. Natural Language Processing (NLP): A field of AI that enables computers to understand, interpret, and generate human language in a meaningful way.
5. Computer Vision: A field of AI that enables machines to interpret and make decisions based on visual data from the world, such as images and videos.
6. Reinforcement Learning: A type of machine learning where an agent learns to make decisions by taking actions in an environment to maximize cumulative reward.
7. Supervised Learning: A machine learning approach where a model is trained on labeled data, meaning that the input data is paired with the correct output.
8. Unsupervised Learning: A machine learning approach where a model is trained on unlabeled data, allowing it to find patterns or groupings within the data without explicit guidance.
9. Semi-Supervised Learning: A hybrid approach that uses both labeled and unlabeled data for training, improving learning accuracy when labeled data is scarce.
10. Feature Engineering: The process of selecting, modifying, or creating features (input variables) from raw data to improve the performance of machine learning models.
11. Overfitting: A modeling error that occurs when a model learns the training data too well, capturing noise and outliers, which negatively impacts its performance on new data.
12. Underfitting: A situation where a model is too simple to capture the underlying trends in the data, resulting in poor performance on both training and test datasets.
13. Bias: Systematic errors in a model's predictions due to assumptions made during the learning process or due to biased training data.
14. Variance: The amount by which a model's predictions would change if it were trained on a different dataset; high variance can lead to overfitting.
15. Hyperparameter: Configurable parameters that are set before training a machine learning model (e.g., learning rate, batch size) and are not learned from the training data.
16. Confusion Matrix: A table used to evaluate the performance of a classification model by comparing predicted labels with actual labels, providing insight into true positives, false positives, true negatives, and false negatives.
17. Precision: A metric that measures the accuracy of positive predictions made by a classification model, calculated as the ratio of true positives to the sum of true positives and false positives.
18. Recall (Sensitivity): A metric that measures the ability of a classification model to identify all relevant instances, calculated as the ratio of true positives to the sum of true positives and false negatives.
19. F1 Score: The harmonic mean of precision and recall, providing a single score that balances both metrics, particularly useful in imbalanced datasets.
20. Transfer Learning: A technique where a pre-trained model is adapted for a new task, leveraging knowledge gained from one domain to improve performance in another. | 628 |
| 7 | Machine Learning Algorithms.pdf | 583 |
| 8 | 💥 #Cisco Certification Journey Starts Here!
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Don’t miss your chance to level up your networking career in 2026! 🚀 | 650 |
| 9 |  📘Modern Data Visualization with R
✍️ Author: Robert Kabacoff
Read Online
#DataVisualization
────────────────────
👉 @free_programming_books_bds 👈 | 551 |
| 10 | ▎9 Misconceptions About Deep Learning
❌ Deep Learning is just about neural networks
✅ While neural networks are central, deep learning also involves techniques like reinforcement learning, generative models, and unsupervised learning, which can be quite different.
❌ More layers always mean better performance
✅ Simply adding more layers can lead to overfitting or vanishing gradients. The architecture must be carefully designed to fit the problem rather than just increasing depth.
❌ Deep Learning models learn everything automatically
✅ Models require careful feature engineering, hyperparameter tuning, and data preprocessing. They don’t magically learn from raw data without human guidance.
❌ Training a model on a powerful GPU guarantees fast results
✅ Training time depends on many factors, including data complexity and model architecture. A powerful GPU can help, but it doesn't automatically lead to quicker training.
❌ Deep Learning models are always better than traditional ML
✅ Traditional machine learning methods can outperform deep learning in scenarios with limited data or simpler tasks. The choice of method should depend on the specific context.
❌ Once a model is trained, it doesn’t need further evaluation
✅ Models can drift over time as real-world data changes. Regular evaluation and updates are essential to ensure they remain accurate and relevant.
❌ Deep Learning can solve any problem
✅ Some problems are inherently unsolvable with current deep learning techniques, especially those requiring complex reasoning or understanding of context beyond the data.
❌ Hyperparameter tuning is a one-time task
✅ Hyperparameters can interact in complex ways, and their optimal settings may change as the model evolves or as new data is introduced. Continuous tuning is often necessary.
❌ Deep Learning models are inherently unbiased
✅ Models can learn biases present in the training data. It's crucial to assess and mitigate bias to avoid unfair or unethical outcomes. | 748 |
| 11 | I’m happy to share that I recently became a father 😍
Both my son and my wife are doing fine and recovering 😊 | 726 |
| 12 | ChatGPT_for_Data_Science_Interview_Cheatsheet.pdf | 873 |
| 13 | PyTorch Fundamentals.pdf | 1 137 |
| 14 | ▎Transfer Learning
▎Definition
Transfer learning is a technique in machine learning where a model developed for a particular task is reused as the starting point for a model on a second task. This approach is particularly useful when the second task has limited labeled data.
▎Key Concepts
• Pre-trained Models: These are models that have been previously trained on large datasets (e.g., ImageNet for image classification) and can be fine-tuned for specific tasks.
• Feature Extraction: In this approach, the pre-trained model is used to extract features from the new dataset, and a new classifier is trained on these features.
• Fine-tuning: This involves unfreezing some of the layers of the pre-trained model and training it on the new dataset, allowing the model to adapt its weights based on the new data.
▎Advantages
1. Reduced Training Time: Since the model starts with learned features, it can converge faster compared to training from scratch.
2. Better Performance with Less Data: Transfer learning can achieve high performance even with a small amount of data for the target task.
3. Utilization of Large Datasets: It leverages the knowledge from large datasets that may not be available for the specific task.
▎Applications
• Computer Vision: Using models like VGG, ResNet, or Inception for tasks such as medical image analysis or object detection in specific domains.
• Natural Language Processing: Models like BERT or GPT can be fine-tuned for sentiment analysis, text classification, or question answering tasks.
▎Challenges
• Domain Shift: If the source and target tasks are too different, transfer learning may not yield good results.
• Overfitting: Fine-tuning a pre-trained model on a small dataset can lead to overfitting if not managed properly.
👉 Transfer learning is a powerful strategy in machine learning that allows practitioners to leverage existing models and datasets to improve performance on new tasks, making it especially valuable in fields where data is scarce. | 1 416 |
| 15 | What does the 'I' in ACID database properties stand for? | 1 163 |
| 16 | Which metric is most appropriate for evaluating a regression model's performance? | 1 251 |
| 17 | 📘 Reinforcement Learning
✍️ Authors: Richard S. Sutton, Andrew G. Barto
🗓 Year: 2018
📄 Pages: 548
#ReinforementLearning | 1 211 |
| 18 | ▎Common Data Analysis Terms
1. Data Cleaning: The process of correcting or removing inaccurate records from a dataset.
2. Exploratory Data Analysis (EDA): Analyzing datasets to summarize their main characteristics, often using visual methods.
3. Statistical Analysis: The application of statistical methods to collect, review, and draw conclusions from data.
4. Data Visualization: The graphical representation of information and data to communicate insights effectively.
5. Machine Learning: A subset of AI that enables systems to learn from data and improve performance without explicit programming.
6. Predictive Analytics: Techniques that use statistical algorithms and machine learning to identify the likelihood of future outcomes based on historical data.
7. Data Mining: The practice of examining large datasets to uncover patterns and relationships.
8. Feature Engineering: The process of selecting, modifying, or creating new features from raw data to improve model performance.
9. Outlier Detection: Identifying and handling anomalies in data that do not conform to expected patterns.
10. Clustering: A method of grouping similar data points together based on their characteristics.
11. Natural Language Processing (NLP): A field of AI that enables computers to understand and interpret human language.
12. Data Ethics: The study of moral issues related to data collection, analysis, and usage, including privacy concerns.
13. Data Sampling: Selecting a subset of individuals from a population to estimate characteristics of the whole population.
14. SQL (Structured Query Language): A programming language used for managing and querying relational databases.
15. NoSQL Databases: Non-relational databases designed to handle large volumes of unstructured or semi-structured data.
16. Data Integration: Combining data from different sources into a unified view for analysis.
17. Hyperparameter Tuning: The process of optimizing the parameters that govern the training of machine learning models.
18. Cross-Validation: A technique for assessing how the results of a statistical analysis will generalize to an independent dataset.
19. Ensemble Methods: Techniques that combine multiple models to improve prediction accuracy, such as bagging and boosting.
20. KPI (Key Performance Indicator): A measurable value that demonstrates how effectively a company is achieving key business objectives. | 1 238 |
| 19 | Machine Learning For Absolute Beginners.pdf | 1 078 |
| 20 | Explainable AI (XAI)
Explainable AI (XAI) refers to methods and techniques in artificial intelligence that make the decisions and processes of AI systems understandable to humans.
The goal is to ensure that both developers and end-users can comprehend how and why an AI makes certain decisions.
▎Why is Explainable AI Important?
1. Trust: Users are more likely to trust AI systems when they understand how decisions are made. This is crucial in sensitive areas like healthcare, finance, and law.
2. Accountability: If an AI system makes a mistake, understanding its reasoning helps identify where things went wrong, allowing for accountability.
3. Compliance: Regulations in many industries require transparency in decision-making processes. XAI helps meet these legal obligations.
4. Improvement: By understanding how AI systems operate, developers can refine algorithms, improve performance, and reduce biases.
▎Key Concepts in Explainable AI
1. Transparency: The AI model's workings should be clear. This includes understanding the data used, the model architecture, and the decision-making process.
2. Interpretability: The ability to explain individual predictions or outputs in a way that is understandable to humans. For example, if an AI denies a loan application, it should explain why based on the applicant's data.
3. Post-Hoc Explanations: These are explanations provided after a decision has been made. Techniques such as LIME (Local Interpretable Model-agnostic Explanations) and SHAP (SHapley Additive exPlanations) help provide insights into how specific features influenced a model's output.
▎Common Techniques for Explainable AI
• Feature Importance: Identifying which features (inputs) had the most significant impact on the model's predictions.
• Visualization Tools: Graphical representations that help users understand model behavior and decision boundaries.
• Rule-Based Systems: Simplified models that provide clear rules for decision-making, making it easier to follow the logic.
👉 Explainable AI is about making AI systems more understandable and transparent. | 1 223 |
