Data Science
Data science Training by Expert. Data science it is a software here distributing and processing the large set of data into the cluster of computers.
Data Science Training Overview
Data science Training by Expert. Data science it is a software here distributing and processing the large set of data into the cluster of computers. This Course is designed to Master yourself in the Data Science Techniques and Upgrade your skill set to the next level to sustain your career in ever changing the software Industry.This Course covers from the basics of Data Science to Big Data Hadoop, Python, Apache Spark etc
Core Java Training Prerequisites
Objectives of the Course
Pre-Requites of the Course
Course Duration
Data Science Course Content
Introduction to Data Science
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- Need for Data Scientists
- Foundation of Data Science
- What is Business Intelligence
- What is Data Analysis, Data Mining, and Machine Learning
- Analytics vs Data Science
- Value Chain
- Types of Analytics
- Lifecycle Probability
- Analytics Project Lifecycle
Data Manipulation in R
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- Various phases of Data Cleaning
- Functions used in Inspection
- Data Cleaning Techniques
- Uses of functions involved
- Use-cases for Data Cleaning using R
Data
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- Basis of Data Categorization
- Types of Data
- Data Collection Types
- Forms of Data and Sources
- Data Quality, Changes and Data Quality Issues, Quality Story
- What is Data Architecture
- Components of Data Architecture
- OLTP vs OLAP
- How is Data Stored?
Big Data
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- What is Big Data?
- 5 Vs of Big Data
- Big Data Architecture, Technologies, Challenge and Big Data Requirements
- Big Data Distributed Computing and Complexity
- Hadoop
- Map Reduce Framework
- Hadoop Ecosystem
Data Science Deep Dive
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- What is Data Science?
- Why are Data Scientists in demand?
- What is a Data Product
- The growing need for Data Science
- Large-Scale Analysis Cost vs Storage
- Data Science Skills
- Data Science Use Cases and Data Science Project Life Cycle & Stages
- Map-Reduce Framework
- Hadoop Ecosystem
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- Data Acquisition
- Where to source data
- Techniques
- Evaluating input data
- Data formats, Quantity and Data Quality
- Resolution Techniques
- Data Transformation
- File Format Conversions
- Anonymization
Intro to R Programming
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- Introduction to R
- Business Analytics
- Analytics concepts
- The importance of R in analytics
- R Language community and eco-system
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- Usage of R in industry
- Installing R and other packages
- Perform basic R operations using command line
- Usage of IDE R Studio and various GUI
R Programming Concepts
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- The datatypes in R and its uses
- Built-in functions in R
- Subsetting methods
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- Summarize data using functions
- Use of functions like head(), tail(), for inspecting data
- Use-cases for problem solving using R
Data Import Techniques in R
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- Import data from spreadsheets and text files into R
- Importing data from statistical formats
- Packages installation for database import
- Connecting to RDBMS from R using ODBC and basic SQL queries in R
- Web Scraping
- Other concepts on Data Import Techniques
Exploratory Data Analysis(EDA)using R
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- What is EDA?
- Why do we need EDA?
- Goals of EDA
- Types of EDA
- Implementing of EDA
- Boxplots, cor() in R
- EDA functions
- Multiple packages in R for data analysis
- Some fancy plots
- Use-cases for EDA using R
Data Visualization in R
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- Storytelling with Data
- Principle tenets
- Elements of Data Visualization
- Infographics vs Data Visualization
- Data Visualization & Graphical functions in R
- Plotting Graphs
- Customizing Graphical Parameters to improvise the plots
- Various GUIs
- Spatial Analysis
- Other Visualization concepts
HADOOP
Big Data and Hadoop Introduction
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- What is Big Data and Hadoop?
- Challenges of Big Data
- Traditional approach Vs Hadoop
- Hadoop Architecture
- Distributed Model
- Block structure File System
- Technologies supporting Big Data
- Replication
- Fault Tolerance
- Why Hadoop?
- Hadoop Eco-System
- Use cases of Hadoop
- Fundamental Design Principles of Hadoop
- Comparison of Hadoop Vs RDBMS
Understand Hadoop Cluster Architecture
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- Hadoop Cluster and Architecture
- 5 Daemons
- Hands-On Exercise
- Typical Workflow
- Hands-On Exercise
- Writing Files to HDFS
- Hands-On Exercise
- Reading Files from HDFS
- Hands-On Exercise
- Rack Awareness
- Before Map Reduce
Map Reduce Concepts
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- Map Reduce Concepts
- What is Map Reduce?
- Why Map Reduce?
- Map Reduce in real world and Map Reduce Flow
- What is Mapper, Reducer, and Shuffling?
- Word Count Problem
- Hands-On Exercise
- Distributed Word Count Flow and Solution
- Log Processing and Map Reduce
- Hands-On Exercise
Advanced Map Reduce Concepts
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- What is Combiner?
- Hands-On Exercise
- What is Partitioner?
- Hands-On Exercise
- What is Counter?
- Hands-On Exercise
- InputFormats/Output Formats
- Hands-On Exercise
- Map Join using MR
- Hands-On Exercise
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- Reduce Join using MR
- Hands-On Exercise
- MR Distributed Cache
- Hands-On Exercise
- Using sequence files & images with MR
- Hands-On Exercise
- Planning for Cluster & Hadoop 2.0 Yarn
- Configuration of Hadoop
- Choosing Right Hadoop Hardware and Software?
- Hadoop Log Files?
Hadoop 2.0 and YARN
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- Hadoop 1.0 Challenges
- NN Scalability, SPOF, and HA
- Job Tracker Challenges
- Hadoop 2.0 New Features
- Hadoop 2.0 Cluster Architecture & Federation
- Hadoop 2.0 HA
- Yarn & Hadoop Ecosystem
- Yarn MR Application Flow
Project in Finance/Banking Domain
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- Hadoop Project in Banking Domain
- Objective
- Problem Definition
- Solution
- Discuss datasets and specifications of the project
Module-11
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- Programming and Hands on Exercises
PIG
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- Introduction to Pig
- What Is Pig?
- Pig’s Features & Pig Use Cases
- Interacting with Pig
- Basic Data Analysis with Pig
- Hands-On Exercise
- Pig Latin Syntax
- Loading Data
- Hands-On Exercise
- Simple Data Types
- Field Definitions
- Data Output
- Viewing the Schema
- Hands-On Exercise
- Filtering and Sorting Data
- Hands-On Exercise
- Commonly-Used Functions
- Hands-On Exercise: Pig for ETL Processing
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- Processing Complex Data with Pig
- Hands-On Exercise
- Storage Formats
- Complex/Nested Data Types
- Hands-On Exercise
- Grouping
- Hands-On Exercise
- Built-in Functions for Complex Data
- Hands-On Exercise
- Iterating Grouped Data
- Hands-On Exercises
- Multi-Dataset Operations with Pig
- Hands-On Exercise
- Techniques for Combining Data Sets
- Joining Data Sets in Pig
- Hands-On Exercise
- Splitting Data Sets
- Hands-On Exercise
HIVE
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- Hive Fundamentals and Architecture
- Loading and Querying Data in Hive
- Hands-On Exercise
- Hive Architecture and Installation
- Comparison with Traditional Database
- HiveQL: Data Types, Operators and Functions
- Hands-On Exercise
- Hive Tables, Managed Tables and External Tables
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- Hands-On Exercise
- Partitions and Buckets
- Hands-On Exercise
- Storage Formats, Importing Data, Altering Tables, Dropping Tables
- Hands-On Exercise
- Querying Data, Sorting and Aggregating, Map Reduce Scripts
- Hands-On Exercise
Module-9
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- Joins & Sub queries, Views
- Hands-On Exercise
- Integration, Data manipulation with Hive
- Hands-On Exercise
- User Defined Functions
- Hands-On Exercise
- Appending Data into existing Hive Table
- Hands-On Exercise
- Static partitioning vs dynamic partitioning
- Hands-On Exercise
HBASE
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- CAP Theorem
- HBase Architecture and concepts
- Introduction to HBase
- Client API’s and their features
- HBase tables The ZooKeeper Service
- Data Model, Operations
SQOOP
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- Introduction to Sqoop
- MySQL Client & server
- Connecting to relational data base using Sqoop
- Importing data using Sqoop from Mysql
- Exporting data using Sqoop to MySql
- Incremental append
- Importing data using Sqoop from Mysql to hive
- Exporting data using Sqoop to MySql from hive
- Importing data using Sqoop from Mysql to hbase
- Using queries and sqoop
Flume and Oozie
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- What is Flume?
- Why use Flume, Architecture, configurations
- Master, collector, Agent
- Twitter Data Sentimental Analysis project
- Oozie
- What is Oozie, Architecture, configurations?
- Oozie Job Submission
- Oozie properties
- Hands-on exercises
Projects
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- Social Media Final Project
- Hadoop Project
- Objective
- Problem Definition
- Solution
- Discuss datasets and specifications of the project
Project in Healthcare Domain
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- Hadoop Project in Healthcare
- Objective
- Problem Definition
- Solution
- Discuss datasets and specifications of the project
Spark
Apache Spark
Introduction to Scala
Spark Core Architecture
Spark Internals
Apache Spark
- Introduction to Apache Spark
- Why Spark
- Batch Vs. Real-Time Big Data Analytics
- Batch Analytics – Hadoop Ecosystem Overview
- Real-Time Analytics Options
- Streaming Data – Storm
- In Memory Data – Spark, What is Spark?
- Spark benefits to Professionals
- Limitations of MR in Hadoop
- Components of Spark
- Spark Execution Architecture
- Benefits of Apache Spark
- Hadoop vs Spark
Introduction to Scala
- Features of Scala
- Basic Data Types of Scala
- Val vs Var
- Type Inference
- REPL
- Objects & Classes in Scala
- Functions as Objects in Scala
- Anonymous Functions in Scala
- Higher Order Functions
- Lists in Scala
- Maps
- Pattern Matching
- Traits in Scala
- Collections in Scala
Spark Core Architecture
- Spark & Distributed Systems
- Spark for Scalable Systems
- Spark Execution Context
- What is RDD
- RDD Deep Dive and Dependencies
- RDD Lineage
- Spark Application In Depth and Spark Deployment
- Parallelism in Spark
- Caching in Spark
Spark Internals
- Features of Spark Streaming
- Micro Batch
- Dstreams
- Transformations on Dstreams
- Spark Streaming Use Case
Statistics + Machine Learning
Statistics
What is Statistics?
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- Descriptive Statistics
- Central Tendency Measures
- The Story of Average
- Dispersion Measures
- Data Distributions
- Central Limit Theorem
- What is Sampling
- Why Sampling
- Sampling Methods
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- Inferential Statistics
- What is Hypothesis testing
- Confidence Level
- Degrees of freedom
- what is pValue
- Chi-Square test
- What is ANOVA
- Correlation vs Regression
- Uses of Correlation and Regression
Machine Learning
Machine Learning Introduction
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- ML Fundamentals
- ML Common Use Cases
- Understanding Supervised and Unsupervised Learning Techniques
- Clustering
- Similarity Metrics
- Distance Measure Types: Euclidean, Cosine Measures
- Creating predictive models
- Understanding K-Means Clustering
- Understanding TF-IDF, Cosine Similarity and their application to Vector Space Model
- Case study
- Implementing Association rule mining
- Case study
- Understanding Process flow of Supervised Learning Techniques
- Decision Tree Classifier
- How to build Decision trees
- Case study
- Random Forest Classifier
- What is Random Forests
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- Features of Random Forest
- Out of Box Error Estimate and Variable Importance
- Case study
- Naive Bayes Classifier
- Case study
- Project Discussion
- Problem Statement and Analysis
- Various approaches to solving a Data Science Problem
- Pros and Cons of different approaches and algorithms
- Linear Regression
- Case study
- Logistic Regression
- Case study
- Text Mining
- Case study
- Sentimental Analysis
- Case study
Python
Getting Started with Python
Sequences and File Operations
Deep Dive – Functions Sorting Errors and Exception Handling
Regular Expressionist’s Packages and Object – Oriented Programming in Python
Getting Started with Python
- Python Overview
- About Interpreted Languages
- Advantages/Disadvantages of Python pydoc
- Starting Python
- Interpreter PATH
- Using the Interpreter
- Running a Python Script
- Python Scripts on UNIX/Windows, Editors and IDEs
- Using Variables
- Keywords
- Built-in Functions
- StringsDifferent Literals
- Math Operators and Expressions
- Writing to the Screen
- String Formatting
- Command Line Parameters and Flow Control
Sequences and File Operations
- Lists
- Tuples
- Indexing and Slicing
- Iterating through a Sequence
- Functions for all Sequences
- Using Enumerate()
- Operators and Keywords for Sequences
- The xrange() function
- List Comprehensions
- Generator Expressions
- Dictionaries and Sets
Deep Dive – Functions Sorting Errors and Exception Handling
- Functions
- Function Parameters
- Global Variables
- Variable Scope and Returning Values. Sorting
- Alternate Keys
- Lambda Functions
- Sorting Collections of Collections, Dictionaries and Lists in Place
- Errors and Exception Handling
- Handling Multiple Exceptions
- The Standard Exception Hierarchy
- Using Modules
- The Import Statement
- Module Search Path
- Package Installation Ways
Regular Expressionist’s Packages and Object – Oriented Programming in Python
- The Sys Module
- Interpreter Information
- STDIO
- Launching External Programs
- path directories and Filenames
- Walking Directory Trees
- Math Function
- Random Numbers
- Dates and Times
- Zipped Archives
- Introduction to Python Classes
- Defining Classes
- Initializers
- Instance Methods
- Properties
- Class Methods and Data Static Methods
- Private Methods and Inheritance
- Module Aliases and Regular Expressions
Debugging, Databases and Project Skeletons
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- Debugging
- Dealing with Errors
- Using Unit Tests
- Project Skeleton
- Required Packages
- Creating the Skeleton
- Project Directory
- Final Directory Structure
- Testing your Setup
- Using the Skeleton
- Creating a Database with SQLite 3
- CRUD Operations
- Creating a Database Object
Machine Learning Using Python
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- Introduction to Machine Learning
- Areas of Implementation of Machine Learning
- Why Python
- Major Classes of Learning Algorithms
- Supervised vs Unsupervised Learning
- Learning NumPy
- Learning Scipy
- Basic plotting using Matplotlib
- Machine Learning application
Algorithm
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- General Approach to kNN
- Building the Classifier from Scratch
- Testing the Classifier
- Measuring the Performance of the Classifier
- Clustering Problem
- What is K-Means Clustering
- Clustering with k-Means in Python and an
Application Example
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- Introduction to Pandas
- Creating Data Frames
- GroupingSorting
- Plotting Data
- Creating Functions
- Converting Different Formats
- Combining Data from Various Formats
- Slicing/Dicing Operations.
Scikit and Introduction to Hadoop
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- Introduction to Scikit-Learn
- Inbuilt Algorithms for Use
- What is Hadoop and why it is popular
- Distributed Computation and Functional Programming
- Understanding MapReduce Framework Sample MapReduce Job Run
Hadoop and Python
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- PIG and HIVE Basics
- Streaming Feature in Hadoop
- Map Reduce Job Run using Python
- Writing a PIG UDF in Python
- Writing a HIVE UDF in Python
- Pydoop and MRjob Basics
Python Project Work
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- Real world project
Supervised and Unsupervised learning
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- Classification Problem
- Classifying with k-Nearest Neighbours (kNN)
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