Course Overview
Course Content
Module 2: Introduction to Python for Data Science
- Why Python for Data Science?
- Advantages over other languages (R, Java, etc.)
- Industry use cases
- Python Setup & Environment
- Installing Python (Anaconda, Miniconda)
- Using Jupyter Notebook, Google Colab
- Python interpreters & IDEs (PyCharm, VS Code, Spyder)
- Python Fundamentals
- Python syntax, indentation, and comments
- Variables and data types (int, float, string, boolean)
- Type casting (implicit & explicit)
- Operators
- Arithmetic, comparison, logical, assignment, membership, identity
- Input & output functions
- Hands-on Exercises:
- Creating a basic Python program to take input and display output
- Simple calculator using Python
- Data Structures in Python
- Lists – creation, indexing, slicing, adding/removing elements, list comprehensions
- Tuples – immutability, tuple unpacking
- Sets – uniqueness, set operations (union, intersection, difference)
- Dictionaries – key-value pairs, CRUD operations, looping
- Nested data structures
- Hands-on Exercises:
- Store and retrieve student data using dictionaries
- Unique word extraction from a paragraph
- Control Flow
- Conditional statements – if, elif, else
- Loops – for, while
- Hands-on Exercises:
- Prime number checker
- Pattern printing
- Functions & Modules
- Defining and calling functions
- Function arguments (positional, keyword, default, variable-length)
- Return values
- Lambda functions
- Modules and Packages
- Importing built-in modules (math, datetime, random, os)
- Creating custom modules
- Hands-on Exercises:
- Build a reusable data-cleaning function
- File Handling
- Opening and reading files
- Writing and appending files
- Working with CSV & JSON files
- Hands-on Exercises:
- Read a CSV file and process the data
- Convert JSON data to CSV
- Python Libraries for Data Science
- NumPy – Numerical Computing
- Creating arrays
- Array indexing and slicing
- Array operations
- Mathematical and statistical functions
- Reshaping and stacking arrays
- Broadcasting
- Pandas – Data Manipulation
- Series and DataFrames
- Importing datasets (CSV, Excel, SQL)
- Data selection (loc, iloc)
- Handling missing values
- Data filtering and sorting
- Grouping and aggregation
- Merging and joining DataFrames
- Matplotlib & Seaborn – Data Visualization
- Basic plots (line, bar, scatter, histogram)
- Customizing plots (labels, titles, legends)
- Seaborn visualizations (boxplot, heatmap, pairplot, violin plot)
- Style customization and color palettes
- Data Cleaning & Preprocessing in Python
- Detecting and handling missing data
- Outlier detection and treatment
- Encoding categorical variables
- Feature scaling (normalization, standardization)
- String operations for text cleaning
- Hands-on Exercises:
- Clean and preprocess a dataset for analysis
- Working with APIs & Web Data
- Introduction to APIs
- Using Python’s requests library
- Fetching JSON data from APIs
- Parsing and storing API data
- Hands-on Exercises:
- Fetch live weather data from an API
- Introduction to Statistical Analysis in Python
- Descriptive statistics with Pandas & NumPy
- Correlation & covariance
- Probability distributions (Normal, Binomial)
- Hypothesis testing basics
- Hands-on Exercises:
- Perform statistical summary of a dataset
Module 3: Statistics & Probability for Data Science
- Introduction to Statistics for Data Science
- What is Statistics?
- Descriptive vs. Inferential Statistics
- Role of statistics in data science & analytics
- Importance of statistics in decision-making
- Types of data:
- Quantitative vs. Qualitative
- Discrete vs. Continuous
- Nominal, Ordinal, Interval, Ratio scales
- Hands-on: Identify data types from sample datasets
- Descriptive Statistics
- Measures of Central Tendency
- Mean, Median, Mode
- Weighted average
- Measures of Dispersion
- Shape of Data Distribution
- Skewness (positive, negative, zero)
- Kurtosis (leptokurtic, platykurtic, mesokurtic)
- Hands-on: Use Python (Pandas, NumPy) to calculate statistical measures
- Data Visualization for Statistics
- Histograms, Bar Charts, Box Plots
- Scatter Plots for correlation visualization
- Probability distribution plots
- Hands-on: Visualize sales data distribution using Matplotlib/Seaborn
- Probability Fundamentals
- Basic probability concepts
- Sample space, events, outcomes
- Types of probability:
- Theoretical, Experimental, Axiomatic
- Addition & Multiplication rules of probability
- Conditional probability & Independence
- Bayes’ Theorem – theory and real-life applications
- Hands-on: Solve probability problems using Python
- Probability Distributions
- Discrete Distributions
- Bernoulli Distribution
- Binomial Distribution
- Poisson Distribution
- Continuous Distributions
- Uniform Distribution
- Normal (Gaussian) Distribution
- Normal (Gaussian) Distribution
- Empirical rule (68-95-99.7)
- Exponential Distribution
- Hands-on: Plot and simulate different distributions in Python
- Sampling & Sampling Distributions
- Population vs. Sample
- Sampling techniques:
- Random sampling, Stratified sampling, Cluster sampling, Systematic sampling
- Central Limit Theorem & its importance in Data Science
- Sampling distribution of the sample mean
- Hands-on: Simulate Central Limit Theorem using Python
- Inferential Statistics
- Concept of estimation – point & interval estimates
- Confidence intervals (for mean & proportion)
- Margin of error
- Hands-on: Calculate confidence intervals for a dataset
- Hypothesis Testing
- Null Hypothesis (H₀) & Alternative Hypothesis (H₁)
- Type I and Type II errors
- P-value and significance levels (α)
- One-tailed & two-tailed tests
- Common Statistical Tests:
- Z-tes
- T-test (one-sample, independent, paired)
- Chi-Square test
- ANOVA (One-way & Two-way)
- Hands-on: Perform hypothesis testing on sample datasets
- Correlation & Regression Basics
- Covariance & Correlation
- Introduction to Linear Regression
- Interpreting correlation coefficients
- Hands-on: Calculate correlation between features in a dataset
- Real-World Data Science Applications
Module 6: SQL for Data Science
- Introduction to SQL & Databases
- What is SQL? Why SQL for Data Science?
- Understanding databases – relational vs. non-relational
- Tables, rows, columns, and relationships
- Primary keys & foreign keys
- Installing & setting up SQL environment (MySQL, PostgreSQL, SQLite)
- Connecting Python to SQL for data analysis
- Hands-on: Create a database and a simple table
- Basic SQL Queries
- SELECT statement
- DISTINCT keyword
- WHERE clause – filtering records
- Logical operators (AND, OR, NOT)
- Comparison operators (=, !=, <, >, <=, >=)
- BETWEEN, IN, LIKE (wildcards % and _)
- ORDER BY – sorting results
- LIMIT – restricting output
- Hands-on: Retrieve filtered and sorted data from a dataset
- SQL Functions for Data Analysis
- Aggregate Functions – COUNT(), SUM(), AVG(), MIN(), MAX()
- String Functions – UPPER(), LOWER(), CONCAT(), TRIM(), SUBSTRING()
- Date & Time Functions – NOW(), DATE(), YEAR(), MONTH(), DATEDIFF()
- Mathematical Functions – ROUND(), ABS(), CEIL(), FLOOR()
- Hands-on: Generate sales reports using aggregate functions
- Grouping & Aggregation
- GROUP BY – grouping data for analysis
- HAVING – filtering aggregated data
- Nested aggregation
- Hands-on: Find top-performing products by category
- Joins & Relationships
- INNER JOIN – matching rows between tables
- LEFT JOIN, RIGHT JOIN, FULL OUTER JOIN
- Self-joins
- Cross joins
- Joining more than two tables
- Hands-on: Merge customer and sales data for combined analysis
- Subqueries & Derived Tables
- Subqueries in SELECT, FROM, WHERE clauses
- Correlated subqueries
- Derived tables (inline views)
- Hands-on: Find customers who purchased above the average order value
- Set Operations
- UNION and UNION ALL
- INTERSECT
- EXCEPT / MINUS
- Hands-on: Combine datasets from multiple sources
- Data Modification
- INSERT INTO – adding new records
- UPDATE – modifying existing records
- DELETE – removing records
- TRUNCATE – clearing tables
- Hands-on: Update product prices and clean up data
- SQL for Data Cleaning
- Identifying duplicates
- Removing duplicates
- Handling NULL values
- Replacing missing values with default values
- String trimming and formatting
- Hands-on: Clean raw sales data for analysis
- Advanced SQL for Data Science
- Window functions:
- ROW_NUMBER(), RANK(), DENSE_RANK()
- NTILE(), LEAD(), LAG()
- Common Table Expressions (CTEs)
- Pivoting & unpivoting data
- Recursive queries
- Hands-on: Create a monthly revenue trend analysis
- Integrating SQL with Data Science Tools
- Connecting SQL to Python using sqlite3 / SQLAlchemy
- Exporting SQL query results to CSV/Excel
- Using SQL in Jupyter Notebook
- Hands-on: Run SQL queries from Python and visualize results with Matplotlib
Module 7: Machine Learning – Supervised Learning
- Introduction to Machine Learning
- What is Machine Learning?
- Definition & key concepts
- Difference between AI, ML, and Deep Learning
- Categories of Machine Learning:
- Supervised, Unsupervised, Reinforcement Learning
- Applications of Supervised Learning in real-world industries
- Overview of the Supervised Learning workflow:
- Data Collection
- Data Preprocessing
- Feature Engineering
- Model Selection
- Training the Model
- Model Evaluation
- Model Deployment
- Linear Regression
- Concept of regression & when to use it
- Simple Linear Regression:
- Equation: 𝑦 = 𝑚 𝑥 + 𝑐 y=mx+c
- Slope & intercept interpretation
- Multiple Linear Regression:
- Handling multiple features
- Assumptions in regression (linearity, independence, homoscedasticity, normality)
- Cost function – Mean Squared Error (MSE)
- Gradient Descent optimization
- Overfitting & underfitting in regression
- Hands-on:
- Build a house price prediction model using Linear Regression
- Evaluate model performance using RMSE & R² score
- Logistic Regression
- Why Logistic Regression for classification problems
- Sigmoid function & probability output
- Decision boundary concept
- Binary classification vs. multi-class classification
- Cost function for logistic regression (log loss)
- Regularization in logistic regression (L1 & L2)
- Decision Trees
- Decision tree basics
- Splitting criteria: Gini Index, Entropy, Information Gain
- Stopping criteria & pruning to avoid overfitting
- Advantages & disadvantages of decision trees
- Random Forest
- Concept of ensemble learning
- Bagging & Random Forest algorithm
- Feature importance in Random Forest
- Hyperparameter tuning (n_estimators, max_depth, max_features)
- Advantages over single decision trees
- K-Nearest Neighbors (KNN)
- Introduction to instance-based learning
- Choosing value of K & effect on bias-variance tradeoff
- Distance metrics: Euclidean, Manhattan, Minkowski
- Scaling features for KNN
- Advantages & limitations
- Model Evaluation Metrics
- Confusion Matrix – TP, FP, TN, FN
- Accuracy, Precision, Recall, F1-score
- ROC Curve & AUC score
- Precision-Recall tradeoff
- Cross-validation & train-test split
Module 8: Machine Learning – Unsupervised Learning
- Introduction to Unsupervised Learning
- Definition and key differences from Supervised Learning
- Real-world applications:
- Customer segmentation in marketing
- Anomaly detection in fraud detection
- Document/topic clustering
- Types of unsupervised learning:
- Clustering
- Dimensionality Reduction
- Association Rule Learning
- Workflow of an unsupervised learning project:
- Data collection & preprocessing
- Feature scaling
- Choosing an algorithm
- Model training
- Results interpretation
- Clustering
- K-Means Clustering
- Concept of clustering and distance-based grouping
- How K-Means works:
- Choose K initial centroids
- Assign points to nearest centroid
- Recalculate centroids
- Repeat until convergence
- Choosing optimal K (Elbow method, Silhouette score)
- Advantages & limitations
- Hands-on: Customer segmentation using K-Means
- Hierarchical Clustering
- Agglomerative vs. Divisive clustering
- Dendrograms and linkage criteria (single, complete, average)
- Advantages over K-Means
- When to use hierarchical clustering
- Hands-on: Grouping countries based on socio-economic indicators
- Dimensionality Reduction
- Principal Component Analysis (PCA)
- Why dimensionality reduction is important (curse of dimensionality)
- How PCA works:
- Covariance matrix
- Eigenvalues & eigenvectors
- Principal components
- Variance explained & choosing number of components
- Advantages and trade-offs
- Hands-on: Apply PCA to reduce dimensions in a high-dimensional dataset (e.g., MNIST)
- t-SNE (t-Distributed Stochastic Neighbor Embedding)
- Non-linear dimensionality reduction technique
- Preserving local neighborhood structure
- Key parameters: perplexity, learning rate
- Best practices for visualization
- Hands-on: Visualizing high-dimensional word embeddings
- Association Rule Learning
- Apriori Algorithm
- Market basket analysis concept
- Support, Confidence, Lift metrics
- How Apriori generates frequent itemsets
- Advantages & limitations
- Hands-on: Find frequently bought-together products in retail dataset
- Eclat Algorithm
- Difference from Apriori (depth-first search approach)
- Transaction ID sets and intersection
- Efficiency in sparse datasets
- Hands-on: Implement Eclat for transaction analysis
Module 10: Introduction to Deep Learning
- Evolution of AI → Machine Learning → Deep Learning
- Why Deep Learning? Handling unstructured data (images, text, audio)
- Key differences between Machine Learning & Deep Learning
- Real-world applications: self-driving cars, healthcare, NLP, image recognition
- Overview of popular deep learning frameworks (TensorFlow, PyTorch, Keras)
- Neural Networks Basics
- Structure of an Artificial Neural Network (ANN): neurons, layers (input, hidden, output)
- Biological inspiration: Neurons and synapses
- Forward propagation: weighted sum, bias, activation
- Backpropagation: gradient descent & optimization
- Overfitting vs underfitting in neural networks
- Hands-on: Build a simple neural network from scratch (using NumPy)
- Activation Functions
- Role of activation functions in neural networks
- Sigmoid, Tanh, ReLU, Leaky ReLU, Softmax – concepts and use cases
- Vanishing gradient & exploding gradient problems
- Choosing the right activation function for classification vs regression tasks
- Hands-on: Experiment with different activations in a simple neural net
- Introduction to TensorFlow & Keras
- Overview of TensorFlow (computational graph, tensors, operations)
- Keras as a high-level API for rapid prototyping
- Installing and setting up TensorFlow/Keras
- Key components: layers, models, optimizers, loss functions
- Hands-on: First deep learning model using Keras Sequential API
- Building a Simple Neural Network
- Steps in building a neural network:
- Data preprocessing and normalization
- Defining input, hidden, and output layers
- Choosing loss function and optimizer
- Training the model and monitoring loss/accuracy
- Evaluating model performance
- Hands-on: Build a neural network to classify MNIST digits
- Image Classification Basics (CNN Concepts)
- Why CNNs for images vs. fully connected networks
- Convolution operation: kernels, filters, strides, padding
- Pooling layers (Max pooling, Average pooling)
- Flattening and fully connected layers in CNNs
- Dropout for regularization
- Hands-on: Build a simple CNN for image classification (MNIST / CIFAR-10 dataset)
Module 11: Data Science Tools & Big Data
- 1. Jupyter Notebook & Google Colab
- Introduction to Jupyter Notebook
- Features: code cells, markdown, visualization
- Installing and setting up Jupyter Notebook
- Using magic commands (%timeit, %matplotlib inline)
- Exporting notebooks (HTML, PDF, Python scripts)
- Google Colab
- Introduction and benefits (cloud-based execution, free GPU/TPU)
- Creating and managing notebooks on Colab
- Mounting Google Drive for dataset access
- Running deep learning experiments on GPU/TPU
- Collaboration features in Colab
- Hands-on Exercises
- Git & GitHub for Version Control
- Introduction to Version Control
- Why version control is important in Data Science projects
- Git vs GitHub
- Git Basics
- Installing Git
- Core commands: git init, git add, git commit, git push, git pull
- Branching and merging
- GitHub Essentials
- Creating and managing repositories
- Cloning repositories and pushing local changes
- Pull requests, code reviews, and collaboration
- GitHub Actions (Intro to automation & CI/CD for ML projects)
- Hands-on Exercises
- Big Data Concepts & Hadoop Basics
- Introduction to Big Data
- What is Big Data? 5Vs of Big Data (Volume, Velocity, Variety, Veracity, Value)
- Challenges with traditional data processing
- Big Data in the Data Science ecosystem
- Hadoop Framework
- Hadoop ecosystem components: HDFS, YARN, MapReduce
- HDFS (Hadoop Distributed File System) – storage architecture
- MapReduce basics – processing large datasets in parallel
- Introduction to Hive and Pig (high-level querying tools)
- Use Cases
- Big Data in healthcare, finance, e-commerce, social media
- Hands-on Exercises
- Introduction to Apache Spark for Data Science
- Why Spark?
- Limitations of Hadoop MapReduce
- Advantages of Apache Spark (speed, in-memory processing, ease of use)
- Spark Basics
- Spark architecture: RDDs, DataFrames, DAG execution engine
- Spark ecosystem: Spark SQL, Spark MLlib, Spark Streaming, GraphX
- PySpark – using Spark with Python
- Data Science with Spark
- Loading and exploring datasets in Spark
- Data transformations and actions
- Integrating Spark with MLlib for machine learning
- Hands-on Exercises
Module 13: Artificial Intelligence (AI)
- Introduction to Artificial Intelligence
- What is Artificial Intelligence?
- Difference between AI, Machine Learning, and Deep Learning
- Role of AI in Data Science workflows
- Real-world AI applications (Healthcare, Finance, E-commerce, Autonomous Systems, NLP)
- AI Foundations
- Search techniques in AI (uninformed vs informed search)
- Game playing and adversarial search (Minimax algorithm, Alpha-beta pruning)
- Knowledge representation & reasoning
- Expert systems basics
- Natural Language Processing (NLP)
- Text preprocessing: tokenization, stemming, lemmatization, stop-word removal
- Bag of Words, TF-IDF, and word embeddings (Word2Vec, GloVe, FastText)
- Sentiment analysis
- Named Entity Recognition (NER)
- Introduction to Transformers (BERT, GPT)
- Hands-on: Build a text classifier
- Computer Vision
- Introduction to image processing
- Convolutional Neural Networks (CNNs) basics
- Image classification and object detection (YOLO, Faster R-CNN)
- Transfer learning for computer vision tasks
- Hands-on: Image classification with pre-trained models
- Deployment & MLOps
- Saving models (Pickle, Joblib)
- Flask / FastAPI APIs for ML
- Docker basics
- Cloud deployment (AWS/GCP/Azure)
- Reinforcement Learning
- Basics of reinforcement learning (RL)
- Key terms: Agent, Environment, Reward, Policy, Value Function
- Q-learning and Deep Q-Networks (DQN)
- Applications of RL in gaming, robotics, and recommendation systems
- Generative AI
- What is Generative AI?
- Generative Adversarial Networks (GANs) – architecture & working
- Variational Autoencoders (VAEs)
- Applications: Image synthesis, text generation, style transfer, chatbots
- Hands-on: Build a simple text or image generator
- AI with Cloud Platforms
- Introduction to AI on the Cloud (AWS AI Services, Azure Cognitive Services, Google AI/Vertex AI)
- Pre-built AI APIs: Vision, Speech, NLP, Recommendation engines
- Deploying AI models using cloud platforms
- Ethical AI & Responsible AI
- Bias in AI models
- Fairness, accountability, and transparency in AI
- Explainable AI (XAI) concepts
- Regulations & responsible use of AI
Module 12: Power BI
- Introduction to Power BI
- Get Started with Power BI
- Overview: Power BI concepts
- Sign up for Power BI
- Overview: Power BI data sources
- Connect to a SaaS solution
- Upload a local CSV file
- Connect to Excel data that can be refreshed
- Connect to a sample
- Create a Report with Visualizations
- Create a Report with Visualizations
- Hands-On
- Viz and Tiles
- Overview: Visualizations
- Using visualizations
- Create a new report
- Create and arrange visualizations
- Format a visualization
- Create chart visualizations
- Use text, map, and gauge visualizations and save a report
- Use a slicer to filter visualizations
- Sort, copy, and paste visualizations
- Download and use a custom visual from the gallery
- Hands-On
- Reports and Dashboards
- Modify and Print a Report
- Rename and delete report pages
- Add a filter to a page or report
- Set visualization interactions
- Print a report page
- Send a report to PowerPoint
- Create a Dashboard
- Create and manage dashboards
- Pin a report tile to a dashboard
- Pin a live report page to a dashboard
- Pin a tile from another dashboard
- Pin an Excel element to dashboard
- Manage pinned elements in Excel
- Manage pinned elements in Excel
- Add a tile to a dashboard
- Build a dashboard with Quick Insights
- Set a Featured (default) dashboard
- Ask Questions about Your Data
- Ask Questions about Your Data
- Tweak your dataset for Q&A
- Enable Cortana for Power BI
- Hands-On
- Publishing Workbooks and Workspace
- Share Data with Colleagues and Others
- Share Data with Colleagues and Others
- Publish a report to the web
- Manage published reports
- Share a dashboard
- Create an app workspace and add users
- Use an app workspace
- Publish an app
- Create a QR code to share a tile
- Embed a report in SharePoint Online
- Hands-On
- Other Power BI Components and Table Relationship
- Use Power BI Mobile Apps
- Get Power BI for mobile
- View reports and dashboards in the iPad app
- Use workspaces in the mobile app
- Sharing from Power BI Mobile
- Use Power BI Desktop
- Install and launch Power BI Desktop
- Get data
- Reduce data
- Transform data
- Relate tables
- Get Power BI Desktop data with the Power BI service
- Export a report from Power BI service to Desktop
- Hands-On
- DAX functions
- New Dax functions
- Date and time functions
- Time intelligence functions
- Filter functions
- Information functions
- Logical functions
- Math & trig functions
- Parent and child functions
- Text functions
- Hands-On
FAQs
eMexo Technologies technology provides Data Science with Python training by experienced trainers with over 10 years of experience.
We provide complete hands-on training.
Over 500 batches completed their training in our Institute.
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Unique course materials were used for training.
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No problem. eMexo Technologies will reschedule the missed classes within the course period. If required you can attend those topics with any other batches.
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