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DSA - Semester 2

Course Instructor Dataisgood

FREE

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Course Overview

Schedule of Classes

Course Curriculum

5 Subjects

Data Analysis and Visualization

0 Exercises 211 Learning Materials

Resources

Dates and Times

ZIP

Regular Expressions

ZIP

Intro to Numpy

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Intro to Pandas

ZIP

Grouping Operations

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Filtering Operations

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Basics of Visualization

ZIP

Advanced Visualizations

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Animated Visualizations

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Interactive Visualizations

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Miscellaneous Charts

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SuperStore

Audio

Tableau Functions Workbook

ZIP

Dates and Times

Introduction to datetime

External Link

The date and time class

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The datetime class

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The timedelta class

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Quiz on Dates and Times

Quiz Solution on Dates and Times

External Link

Exercise on Date and Time

External Link

Solution on Date and Time

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Regular Expressions

Meta Characters for Regular Expressions

External Link

Built-in Functions for Regular Expressions

External Link

Special Characters for Regular Expressions

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Sets for Regular Expressions

External Link

Quiz on Regular Expressions

Quiz Solution on Regular Expressions

External Link

Exercise on Regular Expressions

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Solution on Regular Expressions

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Introduction to Numpy

Array Creation using Numpy

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Mathematical Operations using Numpy

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Built-in Functions in Numpy

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Quiz on Introduction to Numpy

Quiz Solution on Introduction to Numpy

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Exercise on Built-in Functions in Numpy

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Exercise on Mathematical Operations using Numpy

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Solution on Mathematical Operations using Numpy

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Introduction to Pandas

Reading Datasets using Pandas

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Plotting Data in Pandas

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Indexing, Selecting, and Filtering Data using Pandas

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Merging and Concatenating DataFrames

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Lambda, Map, and Apply Functions

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Quiz on Introduction to Pandas

Quiz Solution on Introduction to Pandas

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Exercise on Pandas Plotting

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Solution on Pandas Plotting

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Exercise on Indexing and Selecting

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Solution on Indexing and Selecting

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Exercise on Merging and Concatenating

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Solution on Merging and Concatenating

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Exercise on Apply Functions

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Solution on Apply Functions

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Introduction to Data Exploration

How EDA can be useful

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Data Profiling

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Analyzing Target Data

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Quiz on Introduction to EDA

Quiz Solution on Introduction to EDA

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Examining Data

Summarizing the Data

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Exploring the Dabl Library

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Exploring the Sweetviz Library

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Using Color Gradients for better analysis

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Best Practices for Data Exploration

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Quiz on Examining Data

Quiz Solution on Examining Data

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Grouping Operations

Aggregate functions used for Grouping

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Using Groupby for Grouping Operations

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Groupby with Idxmax and Idxmin functions

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Using Color scales for better visualization

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Visualizing the Groupby Operations

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Using Pivot Tables for Grouping Operations

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Difference between Groupby and Pivot tables

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Performing Cross Tabulation

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Visualizing Cross tabulated Data

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Interactive Grouping Operations

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Quiz on Grouping Operations

Quiz Solution on Grouping Operations

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Filtering Operations

When to perform Filtering Operations

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Introduction to Simple Filtering Operations

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Advanced Filtering Operations

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Filtering and Grouping Operations

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Interactive Filtering Operations

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Quiz on Filtering Operations

Quiz Solution on Filtering Operations

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Basics of Visualization

Univariate Analysis

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Bivariate Analysis

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Multivariate Analysis

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Quiz on Basics of Visualization

Quiz Solution on Basics of Visualization

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Advanced Visualizations

Scatter Plots

External Link

Charts with Colorscale

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Bar, Line, and Area Charts

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Facet Grids

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Statistical Charts

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Polar Charts

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Subplots

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3D Charts

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Waffle Charts

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Maps

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Quiz on Advanced Visualizations

Quiz Solution on Advanced Visualizations

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Animated Visualizations

Animation with Bubbleplot

External Link

Animation with Facets

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Animation with Scatter Maps

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Animation with Choropleth Maps

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Quiz on Animated Visualizations

Quiz Solution on Animated Visualizations

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Interactive Visualizations

Introduction to Ipywidgets

External Link

Interactive Univariate Analysis

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Interactive Bivariate Analysis

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Interactive Multivariate Analysis

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Quiz on Interactive Visualizations

Quiz Solution on Interactive Visualizations

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Miscellaneous Charts

Sunburst Charts

External Link

Parallel Co-ordinate Charts

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Funnel Charts

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Gantt Charts

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Ternary Charts

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Tree Maps

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Network Charts

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Quiz on Miscellaneous Charts

Quiz Solution on Miscellaneous Charts

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Tableau Functions

Section Overview

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Getting Started with Calculations

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Types of Calculations

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The Number Functions

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The String Functions

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Searching for Text

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Type Conversions

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The Date Functions

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Datetrunc and datepart

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Gantt Charts using Date Functions

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The Logical Functions

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Calculations using Sets

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Aggregate Functions

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Attribute Function

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Quiz on Tableau Functions

Table Calculations

Section Overview

External Link

Table Calculation - Part 1

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Table Calculations - Part 2

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Table Functions

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Window Functions

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Conditional Highlighting using Windows Functions

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Moving Calculations

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Rank Functions

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Running Functions

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Secondary Calculations with Pareto Chart

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Level of Detail (LOD) Expression

Resources - Global Superstore

ZIP

Resources LOD Workbook

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Introduction to Level of Details

External Link

FIXED - Level of Detail Expression

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Customer Order Loyalty

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Customer Retention Analysis

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Removing Duplicate Records in Tableau using FIXED

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INCLUDE - Level of Detail Expression

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EXCLUDE - Level of Detail Expression

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Table Scoped Level of Detail Expression

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Nested LOD

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Finding a Dimension at Lower Level

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Sparklines with Min Max Indicator

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Final Words

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Parameters in Tableau

Resources SuperStore

Audio

Resources Parameters Workbook

ZIP

Parameters

External Link

Parameter Basics

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Advanced Parameters Part - 1

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Advanced Parameters Part - 2

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Quiz on Parameters in Tableau

Introduction to Data Preparations

Resources Data Preparation Datasets

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Resources Data Preparation Workbooks

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Managing Metadata and Data Types

External Link

Data Extraction

External Link

Data Preparation and Cleaning

External Link

Wide and Long Formats

External Link

Filtering of Rows using Data Source Filters

External Link

Joins

External Link

Joining Multiple Fields

External Link

Complex Joins

External Link

Why Blending?

External Link

How to do Blending in Tableau?

External Link

Data Blending (Additional)

External Link

Data Union

External Link

Quiz on Data Preparations

Slicing & Dicing Data in Tableau

Resources Slicing & Dicing Datasets

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Resources Slicing & Dicing Workbook

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Sorting

External Link

Hierarchy

External Link

Groups

External Link

Sets

External Link

Data Filters

External Link

Advanced Filtering

External Link

Quiz on Slicing and Dicing Data in Tableau

Tableau Maps

Resources Superstore_dataset

ZIP

Resources Tableau Maps Workbook

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Beginner Guide to maps

External Link

Background Maps & Layers

External Link

Dual Axis Map

External Link

Geocoded Fields

External Link

Working with Web Map Service (WMS)

External Link

Custom Background Images

External Link

Quiz on Tableau Maps

Dashboards

Resources shark-data-cleaned

Audio

Resources Dashboards Workbook

ZIP

Section Overview

External Link

The Storytelling

External Link

Building Blocks of Dashboard - Part 1

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Building Blocks of Dashboard - Part 2

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Building Blocks of Dashboard - Part 3

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Dashboard

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Containers

External Link

Dashboard Actions

External Link

Quiz on Dashboards

Data Cleaning and Preparation

0 Exercises 92 Learning Materials

Resources

Data Cleaning

ZIP

Feature Engineering

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Data Pre-Processing

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Dimensionality Reduction

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Missing Values Treatment

Causes and Impact of Missing Values

External Link

Types of Missing Values

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When should we delete the missing values

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Imputing missing values with the business logic

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Imputing missing values with Mean/Median/Mode

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Imputing missing values in a real-time scenario

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Quiz on Missing Values Treatment

Quiz Solution on Missing Values Treatment

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Outliers Treatment

How outliers can be harmful for machine learning models

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Finding out outliers from the data

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Using Winsorization to deal with outliers

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Deleting and Capping the outliers

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Dealing with outliers in a real-world scenario

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Quiz on Outliers Treatment

Quiz Solution on Outliers Treatment

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Data Manipulation Functions

Introduction to reindex, set_index, reset_index, and sort_index Functions

External Link

Introduction to Replace and Droplevel Function

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Introduction to Split and Strip Function

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Introduction to Stack, and Unstack Functions

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Introduction to Melt, Explode, and Squeeze Functions

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Data Cleaning on Real World Datasets

Data Cleaning on Big Mart Dataset

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Data Cleaning on Movie Dataset

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Data Cleaning on Melbourne Housing Dataset

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Data Cleaning on Naukri Dataset

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Introduction to Feature Engineering

Introduction to Feature Engineering

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Removing Unnecessary Columns

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Decomposing Time and Date Features

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Decomposing Categorical Features

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Binning Numerical Features

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Aggregating features

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Quiz on Feature Engineering

Quiz Solution on Feature Engineering

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Feature Engineering on the Text Data

Introduction to Feature Engineering on Text Data

External Link

Reading and Summarizing the Text Data

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Finding the Length, Polarity and Subjectivity

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Finding the Words, Characters, and Punctuation Count

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Counting Nouns and Verbs in the Text

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Counting Adjectives, Adverb, and Pronouns

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Quiz on Feature Engineering on the Text Data

Quiz Solution on Feature Engineering on the Text Data

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Feature Engineering Functions

Introduction to Assign and Update Functions

External Link

Introduction to at_time and between_time Functions

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Introduction to nlargest and nsmallest Functions

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Introduction to Expanding Function

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Introduction to Cumulative Functions

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Feature Engineering on Real World Datasets

Feature Engineering on Employee Data

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Feature Engineering on FIFA Data

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Feature Engineering on Hotel Reviews

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Feature Engineering on Marketing Data

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Feature Engineering on Titanic Data

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Dealing with Categorical data

Types of Encoding Techniques

External Link

Label Encoding

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Feature Mapping for Ordinal Variables

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OneHot Encoding

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Binary and BaseN Encoding

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Mean and Frequency Encoding

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Quiz on Dealing with Categorical data

Quiz Solution on Dealing with Categorical data

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Data Transformation

Introduction to Skewness and Normal Distribution

External Link

Square and Cube Root Transformation

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Log transformation

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Box Cox transformation

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Quiz on Data Transformation

Quiz Solution on Data Transformation

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Data Splitting and Feature Scaling

Train,Test and Validation Split

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Standardization and Normalization

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Quiz on Data Splitting and Feature Scaling

Quiz Solution on Data Splitting and Feature Scaling

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Introduction to Dimensionality Reduction

Why High Dimensional Datasets are a Problem

External Link

Methods to solve the problem of High Dimensionality

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Solving a Real World Problem

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Quiz on Introduction

Correlation Filtering

Introduction to Correlation using Heatmap

External Link

Removing Highly Correlated Columns using Correlation

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Quiz on Correlation Filtering

Feature Selection

Introduction to Recursive Feature Selection

External Link

Implementing Recursive Feature Selection

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Implementing the Boruta Algorithm

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Implementing the Boruta Algorithm

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Quiz on Feature Selection

Machine Learning

Introduction to Principal Component Analysis

External Link

Implementing PCA

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Introduction to t-SNE

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Implementing t-SNE

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Introduction to Linear Discriminant Analysis

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Implementing LDA

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Difference between PCA, t-SNE, and LDA

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Quiz on Machine Learning

Introduction to ML

0 Exercises 51 Learning Materials

Introduction to Machine Learning

How Industries are using Machine learning

External Link

Supervised Vs Unsupervised Techniques

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Classification Vs Regression

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Quiz on Introduction to Machine Learning

Quiz Solution on Introduction to Machine Learning

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Modelling with Linear Regression

Introduction to Linear Regression

External Link

Implementing Linear Regression using sklearn

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Feature Selection using RFECV

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Data Transformation with Linear Regression

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Applying Cross Validation

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Analyzing the performance of Regression models

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R2 score and adjusted R2 score intuition

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MAE, RMSE, R2 and Adjusted R2 in code

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Applying real time prediction on our model

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Industry relevance of linear regression

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Quiz on Modelling with Linear Regression

Quiz Solution on Modelling with Linear Regression

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Linear Regression – Materials

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Regularization Techniques

What is Regularizationa and why is it important?

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Getting the intuition of Lasso, Ridge and Elastic Net

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Understanding when to apply Lasso, Ridge and Elastic Net

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Applying Lasso, Ridge and Elastic Net in sklearn

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Quiz on Regularization Techniques

Resources - Regularization Techniques

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Quiz Solution on Regularization Techniques

External Link

Modelling with Logistic Regression

Introduction to Logistic Regression

External Link

Implementing Logistic Regression using sklearn

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Feature selection using RFECV

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Hyperparameter tuning using Grid search

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Applying Cross validation

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How to analyze performance of a classification model

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Using accuracy score to analyze the performance of model

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Using ROC-AUC score to analyze the performance of model

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Introduction to Clustering Analysis

Resources

ZIP

Introduction to Clustering

External Link

Types of Clustering

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Applications of Clustering

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Quiz on Introduction to Clustering

K Means Clustering

Using the Elbow method for choosing the best value of K

External Link

Introduction to K-Means clustering

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Solving a Real World Problem

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Implementing K Means on the Mall Dataset

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Using Silhouette Score to analyze the clusters

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Clustering Multiple Dimensions

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Quiz on K Means Clustering

Advanced Clustering Techniques

Introduction to Hierarchal Clustering

External Link

Introduction to Dendrograms

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Implementing Hierarchical Clustering

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Introduction to DBSCAN Clustering

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Implementing DBSCAN Clustering

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Quiz on Advanced Clustering Techniques

Tableau & Data Visualization Bootcamp

0 Exercises 43 Learning Materials

Creating your First Tableau Dashboard

Getting Started with Tableau

External Link

Navigating Tableau

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Creating Your First Visualization

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Building Your First Dashboard

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Building Blocks of Data Visualization

Introduction

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Dimensions and Measures

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Green & Blue Pills

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Measures Names & Values

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Working with Time Series Data

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Aggregation and Granularity

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Aggregation Options

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Show Me Toolbar

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Marks cards & Level of Detail

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Custom Shapes

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Filtering Data

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Pages Shelf

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Tableau Basic Visualization

Highlight Table

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Highlight Table Bar Charts & Sorting

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Bar-in-Bar

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Histogram

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Pie Charts

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Pie Chart Exercise Solution

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Tree Map

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Bubble Chart

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Line Charts

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Area Chart

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Heat Map

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Formatting in Tableau

Overview

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Theme & Workbook Level Formatting

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Axis Lines and Formatting

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Parts of the View

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Formatting Pane - Part 1

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Formatting Pane - Part 2 (Fonts, Alignment & Shading)

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Formatting Pane - Part 3 (Borders & Lines)

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Number Format

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Titles & Captions

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Mark Labels

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Styling and Customising a Tooltip

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Visualization in Tooltip

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Editing Axis

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Annotating the Viz

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Section Exercise - Data Ink Ratio

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Section Exercise Solution - Data Ink Ratio

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Tableau Visualizations

0 Exercises 32 Learning Materials

Data Preparations

Managing Metadata and Data Types

External Link

Data Extraction

External Link

Data Preparation and Cleaning

External Link

Wide and Long Formats

External Link

Filtering of Rows using Data Source Filters

External Link

Joins

External Link

Joining Multiple Fields

External Link

Complex Joins

External Link

Why Blending?

External Link

How to do Blending in Tableau?

External Link

Data Blending (Additional)

External Link

Data Union

External Link

Slicing & Dicing Data in Tableau

Sorting

External Link

Hierarchy

External Link

Groups

External Link

Sets

External Link

Data Filters

External Link

Advanced Filtering

External Link

Tableau Maps

Beginner Guide to maps

External Link

Background Maps & Layers

External Link

Dual Axis Map

External Link

Geocoded Fields

External Link

Working with Web Map Service (WMS)

External Link

Custom Background Images

External Link

Dashboards

Section Overview

External Link

The Storytelling

External Link

Building Blocks of Dashboard - Part 1

External Link

Building Blocks of Dashboard - Part 2

External Link

Building Blocks of Dashboard - Part 3

External Link

Dashboard

External Link

Containers

External Link

Dashboard Actions

External Link

Course Instructor

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Dataisgood

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