TOP 10 SQL Concepts for Job Interview

1. Aggregate Functions (SUM/AVG)
2. Group By and Order By
3. JOINs (Inner/Left/Right)
4. Union and Union All
5. Date and Time processing
6. String processing
7. Window Functions (Partition by)
8. Subquery
9. View and Index
10. Common Table Expression (CTE)


TOP 10 Statistics Concepts for Job Interview

1. Sampling
2. Experiments (A/B tests)
3. Descriptive Statistics
4. p-value
5. Probability Distributions
6. t-test
7. ANOVA
8. Correlation
9. Linear Regression
10. Logistics Regression


TOP 10 Python Concepts for Job Interview

1. Reading data from file/table
2. Writing data to file/table
3. Data Types
4. Function
5. Data Preprocessing (numpy/pandas)
6. Data Visualisation (Matplotlib/seaborn/bokeh)
7. Machine Learning (sklearn)
8. Deep Learning (Tensorflow/Keras/PyTorch)
9. Distributed Processing (PySpark)
10. Functional and Object Oriented Programming


#DataScienceWithDrAngshu #DataScience #Analytics #BigData #MachineLearning #ArtificialIntelligence #Python #SQL #Statistics #DataVisualisation #Experiments #Interview #Job

Pattern Recognition and
Machine Learning [ Information Science and Statistics ]

Christopher M. Bishop
#python #machinelearning #statistics #information #ai #ml

🔰 Machine Learning Roadmap for Beginners 2025
├── 🧠 What is Machine Learning?
├── 🧪 ML vs AI vs Deep Learning
├── 🔢 Math Foundation (Linear Algebra, Calculus, Stats Basics)
├── 🐍 Python Libraries (NumPy, Pandas, Scikit-learn)
├── 📊 Data Preprocessing & Cleaning
├── 📉 Feature Selection & Engineering
├── 🧭 Supervised Learning (Regression, Classification)
├── 🧱 Unsupervised Learning (Clustering, Dimensionality Reduction)
├── 🕹 Model Evaluation (Confusion Matrix, ROC, AUC)
├── ⚙️ Model Tuning (Hyperparameter Tuning, Grid Search)
├── 🧰 Ensemble Methods (Bagging, Boosting, Random Forests)
├── 🔮 Introduction to Neural Networks
├── 🔁 Overfitting vs Underfitting
├── 📈 Model Deployment (Streamlit, Flask, FastAPI Basics)
├── 🧪 ML Projects (Classification, Forecasting, Recommender)
├── 🏆 ML Competitions (Kaggle, Hackathons)

Like for the detailed explanation ❤️

#machinelearning