Our Quizzes & Tutorials

Learn Python today with our getting started tutorial.

Our Quizzes help you to assess your skills and increase your confidence.

Our Articles on Data Science & Python

Design Principles Series – Inheritance in the Right Way

By Asha Ponraj
May 15, 2023

Inheritance helps us to follow the object-oriented principles, such as code reuse and polymorphism. However, there are some scenarios where inheritance may go wrong and that need…Read more

Python Basic Quiz #9 – For Loop

By Asha Ponraj
April 3, 2022

Hello Everyone! Welcome to the Short Quiz on Python For loop, Continue & Break statements.

This Quiz is made with questions from Operators. To…Read more

You would also like:

  1. Python Basic Quiz #8 – Conditionals & Boolean Values
  2. Python Basic Quiz #7 – Operators
  3. Python Quiz #6 – String Manipulation Level #2
  4. Python Quiz #5 – String Manipulation Level #1

5 Most important Data Pre-Processing Techniques – Feature Scaling – Part IV

By Asha Ponraj
January 30, 2022

Summary:

In this article, we will learn what, why and how to do Feature Scaling – Normalization & Standardization.

We…Read more

You would also like:

  1. 5 Most important Data Pre-Processing Techniques – Encode Categorical Values – Part III
  2. 5 Most important Data Pre-Processing Techniques – Impute missing data – Part II
  3. 5 Most important Data Pre-Processing Techniques for Machine Learning – Part I
  4. How to Impute missing values using SimpleImputer and ColumnTransformer?

5 Most important Data Pre-Processing Techniques – Encode Categorical Values – Part III

By Asha Ponraj
January 26, 2022

5 Part series of most important Data Pre-Processing Techniques of Machine Learning:

Part 1 – Verify…Read more

You would also like:

  1. 5 Most important Data Pre-Processing Techniques – Feature Scaling – Part IV
  2. 5 Most important Data Pre-Processing Techniques – Impute missing data – Part II
  3. 5 Most important Data Pre-Processing Techniques for Machine Learning – Part I
  4. How to Impute missing values using SimpleImputer and ColumnTransformer?

5 Most important Data Pre-Processing Techniques – Impute missing data – Part II

By Asha Ponraj
January 25, 2022

5 Part series of most important Data Pre-Processing Techniques of Machine Learning:

Part 1 – Verify data types…Read more

You would also like:

  1. 5 Most important Data Pre-Processing Techniques – Feature Scaling – Part IV
  2. 5 Most important Data Pre-Processing Techniques – Encode Categorical Values – Part III
  3. 5 Most important Data Pre-Processing Techniques for Machine Learning – Part I
  4. How to Impute missing values using SimpleImputer and ColumnTransformer?

5 Most important Data Pre-Processing Techniques for Machine Learning – Part I

By Asha Ponraj
January 24, 2022

Data Pre-Processing is a vital part in building a model. We will see most important Data Pre-Processing Techniques that can be used for Machine Learning.

…Read more

You would also like:

  1. 5 Most important Data Pre-Processing Techniques – Feature Scaling – Part IV
  2. 5 Most important Data Pre-Processing Techniques – Encode Categorical Values – Part III
  3. 5 Most important Data Pre-Processing Techniques – Impute missing data – Part II
  4. How to Impute missing values using SimpleImputer and ColumnTransformer?

Python Basic Quiz #8 – Conditionals & Boolean Values

By Asha Ponraj
January 22, 2022

Hello Everyone! Welcome to the Short Quiz on Python Conditional Statements, Operators & Boolean Values.

This Quiz is made with questions from Operators. To…Read more

You would also like:

  1. Python Basic Quiz #7 – Operators
  2. Python Quiz #6 – String Manipulation Level #2
  3. Python Quiz #5 – String Manipulation Level #1
  4. Python Short Quiz #4 – Strings

Python Basic Quiz #7 – Operators

By Asha Ponraj
January 22, 2022

Hello Everyone! Welcome to the Short Quiz on Python Operators.

This Quiz is made with questions from Operators. To learn about operators please check…Read more

You would also like:

  1. Python Basic Quiz #8 – Conditionals & Boolean Values
  2. Python Quiz #6 – String Manipulation Level #2
  3. Python Quiz #5 – String Manipulation Level #1
  4. Python Short Quiz #4 – Strings

How to Impute missing values using SimpleImputer and ColumnTransformer?

By Asha Ponraj
January 14, 2022

To fill NaN values, pandas library itself provides a function fillna() to replace NaN values.

However there is an advanced Classes in scikit-learn which…Read more

You would also like:

  1. 5 Most important Data Pre-Processing Techniques – Impute missing data – Part II
  2. Want to Save and Reuse a model later?
  3. Linear Regression — Part IV — Chance of Admission Prediction
  4. Linear Regression — Part III — R Squared

Choropleth Maps Using Python

By Asha Ponraj
December 27, 2021

Choropleth Map is a thematic Map in which areas of the map are colored or patterned using a statistical variable.

Lets take the…Read more

You would also like:

  1. Python Tutorial – Data Structure Type Conversion
  2. Python Conditional Statements
  3. A Tip A Day – Python Tip #8: Why should we Normalize image pixel values or divide by 255?
  4. A tip A day – Python Tip #3 – Pandas Apply Function