Category Machine Learning

Exploratory Data Analysis using Python

Exploratory Data Analysis using Python

Exploratory data analysis (EDA) is a Data Science concept where we analyze a dataset to discover patterns, trends, and relationships within the data. It helps us better understand the information contained in the dataset and guides us in making informed…

Here’s How H&M Uses Data Science

How H&M uses Data Science

H&M is a Sweden-based multinational clothing company that focuses on fast fashion clothing for men, women, teens and children. It is one of GenZ’s favourite brands worldwide. There are many ways in which H&M uses data science to keep its‚Ķ

Business Analyst Roadmap

Business Analyst Roadmap

A Business Analyst is a Data Science professional who uses the data generated by the business to analyze and forecast the performance of a business, design and manage the creation of new data products, and bridge the gap between business stakeholders and‚Ķ

Loan Approval Prediction using Python

Loan Approval Prediction using Python

Loan Approval Prediction is one of the problems that Machine Learning has solved in fintech businesses like banks and financial institutions. Loan approval prediction means using credit history data of the loan applicants and algorithms to build an intelligent system…

Stock Market Performance Analysis using Python

Stock Market Performance Analysis using Python

Stock Market Performance Analysis involves calculating moving averages, measuring volatility, conducting correlation analysis and analyzing various aspects of the stock market to gain a deeper understanding of the factors that affect stock prices and the relationships between the stock prices…

Transpose Matrix using Python

Transpose Matrix using Python

Transpose Matrix is one of the popular problems in coding interviews. This problem requires you to manipulate a matrix by flipping its rows and columns. So, if you want to know how to transpose a matrix, this article is for…

Here’s How SVM Algorithm Works

How SVM Algorithm Works

Support Vector Machine (SVM) is a popular supervised learning algorithm used for classification and regression problems in Machine Learning. The basic idea behind SVM is to find a decision boundary that separates data points of different classes with the maximum…

What is A/B Testing in Data Science

What is A/B Testing in Data Science

A/B Testing is one of the real-world concepts you need to know as a Data Science professional. A/B Tests help businesses compare two different options or strategies, such as two different advertisements or website designs, to see which performs better…

Buddy Strings using Python

Buddy Strings using Python

Buddy Strings is a popular problem in coding interviews. In this problem, you need to check if it is possible to get two strings, different from exactly a swap of two letters. So, if you want to learn how to…

Binary Search using Python

Binary Search using Python

Binary Search is an algorithm used to find an element in a sorted array by repeatedly dividing the search interval in half. In coding interviews, there is always a question on any search algorithm. So, if you want to learn…

Set Mismatch using Python

Set Mismatch using Python

Set Mismatch is a popular question in coding interviews. In this problem, you need to find two numbers in an array that are missing or duplicated. So, if you want to know how to solve this problem using Python, this…

What are Data Driven Business Models

Data Driven Business Models

Data-driven business models are the types of business models in which data is used for overall business operations. Most big tech product companies you hear about today have data-driven business models. So, if you want to understand what Data-Driven business models‚Ķ

Supply Chain Analysis using Python

Supply Chain Analysis using Python

The supply Chain is the network of production and logistics involved in producing and delivering goods to customers. And Supply Chain Analysis means analyzing various components of a Supply Chain to understand how to improve the effectiveness of the Supply…

Reorder Routes using Python

Reorder Routes using Python

Reorder routes to make all paths lead to the city zero is a popular question in coding interviews. In this problem, you need to reorder the connections between the cities so that all paths lead to the city labelled as…

Here’s How Myntra Uses Data Science

How Myntra Uses Data Science

Myntra is one of the fashion e-commerce platforms in India. It is known for its trending collection of clothing, footwear, and accessories. Myntra uses a lot of Data Science techniques that make it different from other e-commerce platforms. So, if…

Message Encryption using Python

Message Encryption using Python

Message Encryption means keeping the message secret. In simple words, Message Encryption means putting the message in a secret box that only the receiver can open. If you want to learn how to encrypt messages using Python, this article is…

Accelerometer Data Analysis using Python

Accelerometer Data Analysis using Python

Accelerometer is a device used to measure the acceleration or vibrations of a motion. The data provided by an accelerometer is three-dimensional and can be used in data-driven applications for solving problems like fall detection and health monitoring. So, if…

Data Science Interview Questions

Data Science Interview Questions

There are many types of questions you are asked for a job interview to understand your behaviour, technical skills, domain expertise, and how you will use your skills in solving real-time business problems. If you are looking for some of…

Relative Ranks using Python

Relative Ranks using Python

The problem of relative ranks is a popular coding interview question. Here you will be given an array of integers representing the scores of athletes, assuming that the athletes with the 1st rank will have the highest score, and you…

Topic Modelling using Python

Topic Modelling using Python

Topic Modelling means assigning topic labels to a collection of text documents. The goal of topic modelling is to identify topics present in the text documents. So, if you want to learn how to perform topic modelling, this article is…

Here’s How Samsung Uses Data Science

How Samsung Uses Data Science

Samsung is a South Korean multinomial conglomerate. It is known for its midrange and flagship smartphone collection worldwide. There are many ways how Samsung uses Data Science and Machine Learning techniques in its technology and business. So, if you want…

Use of Data Science in Healthcare

Use of Data Science in Healthcare

There have been many innovations in the healthcare industry since the outbreak of covid in 2019. The use of data in the healthcare industry has helped healthcare professionals get more accurate information about the medical conditions of patients. In this…

Hamming Distance using Python

Hamming Distance using Python

The problem of hamming distance between two integers is a popular coding interview question. Here you will be given two integers, and you need to calculate the number of positions at which the corresponding bits of the integers are different. So, if‚Ķ

Data Engineering Roadmap

Data Engineering Roadmap

A Data Engineer is a data professional who collects, transforms, and process data according to the need of the business. Data Engineering is one of the highest-paying jobs in Data Science. So, if you are looking for a roadmap to…

Data Analysis Roadmap

Data Analysis Roadmap

Data Analysis means analyzing data to gather valuable insights that can be used in decision-making and solving various business problems. The role of a Data Analyst is one of the best jobs to start your journey as a Data Science…

Here’s How TCS Uses Data Science

How TCS Uses Data Science

Tata Consultancy Services is an Indian multinational corporation that provides IT, data processing and consulting services. TCS is one of the highly active recruiters in India for its IT and data processing services. So, if you want to know how…

Assign Cookies using Python

Assign Cookies using Python

The problem of assigning cookies is a popular coding interview question. Here you will be given a list of children with their greed factors and a list of cookies with their sizes. To solve this problem, you need to assign…

Job Recommendation System using Python

Job Recommendation System using Python

A recommendation system is a popular application of Data Science that recommends personalized content based on the users’ interests. Almost all the popular websites you visit today use a recommendation system. As the name suggests, a job recommendation system is‚Ķ

Machine Learning Roadmap

Machine Learning Roadmap

In Machine Learning, we use data and algorithms to build intelligent systems. In the next ten years, you will explore many new high-paying jobs that require you to know about Machine Learning. So the time you will spend today learning…

Counting Bits using Python

Counting Bits using Python

Counting Bits is a popular coding interview question. Here you will be given an integer, and you have to return an array of length (length of the integer + 1) by counting the number of 1’s in the binary representation‚Ķ

Salary of a Business Analyst

Salary of a Business Analyst

A Business Analyst is a Data Science professional who analyzes and forecasts business trends, understands and analyzes business strategies, and performs budgeting and financial analysis of the business. If you are aiming for the role of a Business Analyst and…

Move Zeroes using Python

Move Zeroes using Python

Moving zeroes is one of the popular questions in coding interviews. Here we need to move all the 0’s in an array to the end of the array while keeping the order of non-zero elements the same. So, if you‚Ķ

A/B Testing using Python

A/B Testing using Python

A/B Testing means analyzing two marketing strategies to choose the best marketing strategy that can convert more traffic into sales (or more traffic into your desired goal) effectively and efficiently. A/B testing is one of the valuable concepts that every…

Salary of a Machine Learning Engineer

Salary of a Machine Learning Engineer

Like all other jobs, the salary of a Machine Learning Engineer depends on many factors like work experience, living standards in the country, and demand for Machine Learning Engineers in the country. Out of all factors, work experience is the most important…

Ugly Number using Python

Ugly Number using Python

Ugly numbers are the numbers whose prime factors are limited to 2, 3, and 5. Finding the Ugly number is a popular question in coding interviews. Here you need to check if a number is an ugly number or not.…

Who Can Learn Data Science

Who Can Learn Data Science

Data Science is one of the highest-paying career options today. Data Science is not like Engineering, where you need an engineering degree with a computer science background. Data Science is a skill that helps companies make decisions with data. So…

Salary of a Data Scientist

Salary of a Data Scientist

Like all other jobs, the salary of a Data Scientist also depends on many factors like work experience, living standards in the country, and the demand for Data Science professionals in the country. Out of all these factors, work experience…

Add Digits using Python

Add Digits using Python

The problem of adding digits is a popular coding interview question. Here we need to add all the digits of the integer till we get to a single-digit integer. So, if you want to know how to solve this problem using‚Ķ

Salary Prediction with Machine Learning

Salary Prediction with Machine Learning

Salary differs according to the job profile of the person. But generally, it’s the working experience that determines the salary. Salary prediction is a popular problem among the Data Science community for complete beginners. So, if you are a beginner‚Ķ

Power of Two using Python

Power of Two using Python

The problem of Power of Two is a popular coding interview question. Here we need to check whether the input value is the power of two or not. So, if you want to know how to solve this problem using Python, this‚Ķ

Weather Forecasting using Python

Weather Forecasting using Python

In Data Science, weather forecasting is an application of Time Series Forecasting where we use time-series data and algorithms to make forecasts for a given time. If you want to learn how to forecast the weather using your Data Science…

Here’s How Tinder Uses Data Science

How Tinder Uses Data Science

Tinder is an online dating and geosocial platform. Many users find Tinder helpful for meeting new people for friendships and relationships. Just like every business today, Tinder also use Data Science for its business. So, if you want to know how Tinder uses‚Ķ

Majority Element using Python

Majority Element using Python

The majority element problem is one of the popular coding interview questions. Here we need to find the element that appears more than the other element in an array. So, if you want to know how to solve this problem,…

Here’s How Uber Uses Data Science

How Uber Uses Data Science

Uber is an American mobility-as-a-service provider that currently operates in 72 countries. Uber is also among the companies that use data and algorithms as a necessity for their business. So, if you want to know how Uber uses Data Science, this‚Ķ

Single Number using Python

Single Number using Python

The Single Number problem is one of the popular coding interview questions. Here you will be given an array of integers where each item appears twice except for one that we need to find. So, if you want to know how‚Ķ

Regression Metrics in Machine Learning

Regression Metrics in Machine Learning

Regression analysis is a machine learning technique used to predict continuous values. Once you have trained a regression model to predict Continuous values based on the problem you are solving, it is valuable to evaluate the model’s performance. So, if‚Ķ

Python Project Ideas for Resume

Python Project Ideas for Resume

Python is one of the most popular programming languages today. The popularity and beginner-friendly nature of Python’s syntax have made it accepted in almost every domain worldwide. To get your first job as a Python developer, you need to work‚Ķ

Best Free Courses to Learn Python

Best Free Courses to Learn Python

Python is one of the most popular programming languages today. It is preferred by Data Science professionals and Web Developers worldwide. There are a lot of free and paid courses on the internet to learn Python. So, if you are…

iPhone Sales Analysis using Python

iPhone Sales Analysis using Python

Apple iPhones are among the top-selling smartphones worldwide. There is huge competition among smartphone brands in India, where you can get the latest technology in a smartphone at half the price of an iPhone. Still, there are high sales of iPhones…

News Recommendation System using Python

News Recommendation System using Python

A recommendation system is a popular application of Data Science. Almost all the popular websites you visit use recommendation systems. As the name suggests, a news recommendation system is an application that recommends news articles based on the news a user is‚Ķ

Roadmap to Learn Machine Learning

Roadmap to Learn Machine Learning

In Machine Learning, we use data and algorithms to build intelligent systems. It doesn’t matter if you want to become a Machine Learning Engineer, Data Scientist, or Data Analyst. If you want any job in the Data Science field, you‚Ķ

Pascal’s Triangle using Python

Pascal's Triangle using Python

Pascal’s Triangle is one of the popular coding interview questions. It is asked in the coding interviews by FAANG companies many times. In Pascal’s Triangle problem, we need to return the number of rows of a Pascal’s Triangle. So, if‚Ķ

Business Forecasting using Python

Business Forecasting using Python

Business Forecasting is one of the applications of Time Series Forecasting. In Business Forecasting, we aim to forecast future sales, expenditure, or revenue by using the historical Time Series data generated by the business. So, if you want to learn…

Climbing Stairs using Python

Climbing Stairs using Python

Climbing Stairs is one of the popular coding interview questions. It is asked in the coding interviews by FAANG companies many times. In the climbing stairs problem, you need to count the number of distinct ways to climb to the…

Roadmap to Learn Python

Roadmap to Learn Python

Python is one of the most popular programming languages today. It is preferred by Data Science professionals and Web Developers worldwide. If you are someone who has just started learning Python or looking for a step-by-step roadmap to learn Python,…

Process of NLP using Python

Process of NLP using Python

Natural Language Processing (NLP) is a subset of Artificial Intelligence where we aim to train computers to understand human languages. Some real-world applications of NLP are chatbots, Siri, and Google Translator. While working on any problem based on NLP, we…

Square Root using Python

Square Root using Python

Finding the square root of a number is asked in the coding interviews by FAANG companies many times. A square root is a number that produces the specified value when multiplied by itself. For example, 5×5 gives 25, so the square root‚Ķ

Plus One using Python

Plus One using Python

The Plus One problem is one of the popular coding interview questions. It is asked in the coding interviews by companies like FAANG many times. Here you need to increment the last digit of an array by one and return…

Best Statistics Courses for Data Science

Best Statistics Courses for Data Science

Statistics means collecting, organizing, analyzing, interpreting, and presenting data. Statistics is one of the most valuable concepts for Data Science. A person with statistical background is preferred for the role of a Data Science professional. So, if you are looking…

Use Cases of Data Science in Social Media

Use Cases of Data Science in Social Media

Social Media applications are those applications where you get a collection of features based on communication, interaction, content creation, and collaboration. Facebook, Instagram, Youtube, and Twitter are some of the popular social media applications today. Every social media application uses Data‚Ķ

Best Data Analysis Courses in 2022

Best Data Analysis Courses in 2022

Data Analysis means analyzing data to gather valuable insights that can be used in decision-making and solving various business problems. Data Analysis is so popular that you can learn everything about it without spending any money. But some people like to‚Ķ

Here’s How to Learn Data Analysis

How to Learn Data Analysis

Data Analysis means analyzing data to gather valuable insights that can be used in decision-making and solving various business problems. So, if you are looking for a step-by-step guide to learning Data Analysis, this article is for you. In this…

Two Sum using Python

Two Sum using Python

Two Sum is a popular problem in Leetcode. It is often asked in coding interviews from companies like FAANG. Here you need to return the indices of integers from an array whose addition equals the target value. So, if you…

Data Analysis Tools

Data Analysis Tools

Data Analysis is the process of analyzing data to gather valuable insights that can be used for decision-making and solving various business problems. There are many tools that you can use for Data Analysis. In this article, I will take…

Best Degrees for Data Science

Best Degrees for Data Science

If you visit some of the LinkedIn profiles of Data Science professionals, you will notice that most of them don’t have a master’s or a bachelor’s degree in Data Science. Most of them have engineering or statistical background. They don’t‚Ķ

Time Series Forecasting with ARIMA

Time Series Forecasting with ARIMA

Time Series Forecasting means analyzing and modeling time-series data to make future decisions. Some of the applications of Time Series Forecasting are weather forecasting, sales forecasting, business forecasting, stock price forecasting, etc. The ARIMA model is a popular statistical technique…

Examples of the Applications of Python

Examples of the Applications of Python

As a beginner in the Python programming language, you must have heard that the applications of Python are Data Science, Machine Learning, Data Analysis, Web Development, Automation, and even Robotics. But what are the existing applications of Python in the…

Print Emojis using Python

Print Emojis using Python

Emojis are used to express our emotions while writing a message or any piece of text. If you want to learn how to display emojis in the output using the Python programming language, this article is for you. In this…

Tips to Get a Data Science Job

Tips to Get a Data Science Job

Data science is one of the highest paying career options today. There are many jobs in this field, some of the most popular of which are Data Scientist, Data Analyst, Data Engineer, and Machine Learning Engineer. If you know you…

Seaborn Tutorial for Data Visualization

Seaborn Tutorial for Data Visualization

Seaborn is one of the best Python libraries for Data Visualization. It is built on top of Matplotlib. Unlike Matplotlib, Seaborn cannot be the only Data Visualization library in your skillset, but some visualizations look better and more understandable with…