Hypothesis testing is one of the most important topic in a Data Science course. Hypothesis tests evaluates two ...

Data Science is 60% Mathematics and 40% coding and other things. Obviously, the numbers are random, but it makes complete sense. You need to defend your ...

Following are the top 100 SQL Questions to clear your theoretical concepts. Few questions will be repeated from Day 10, 11, and 12. 1. What is a database?-A database is a collection of information in an organized form ...

SQL is your bread and butter. Let's take a table and try to answer few questions ranging from very basic to intermediate level.Emp Table - Employees at ...

You are already done with the basics of SQL on Day 10. No matter how good you are at it, there are some tricky questions which might confuse you in its trap. Below are some not so difficult ...

SQL stands for Structured Query Language and it is used to pull relevant data from the database. We assume that you already know a bit about SQL, so we will try to cover the base and then will ...

We will keep posting Guesstimates, Case Studies, Puzzles, etc. But it's high time we should start with Data Science.On an overall level we can safely divide a ...

Why add puzzles and logical problem in a Data Science course?Well, because you are supposed to solve problems of the same intensity on the floor.Well, because you need to chisel your logic every now and then.Well, because these ...

You already know that there are some 100 Million iPad being sold in India each year. But can you guess the area of an airport? Let's say I need to know the total area of the Bangalore airport.There ...

Guesstimate is a methodological process of guess and estimate. Guesstimates have now become an important part of several Business Analyst/Data Scientist and MBA interview process.What does a person ...

Company Name – SapientRound – 2 (Case Study)Topic – Recommendation of food items to new customer in a restaurant

Company Name – Myntra Round – 2 (Case Study)Topic:- Suppose you have a restaurant and there is a crunch of sitting space, apart from that you have one kitchen door which is generally crowded with the waiters and food ...

Case Study is a way of judging your logic and analytical capabilities. I can not be more vague with the definition :PBasically, solving or discussing a case study problem helps in knowing the way a person thinks. There ...

Before we start with Case Studies and Guesstimates, you need to know the difference between 4 terms which might look identical to you but are very different.Data -> Information -> Knowledge -> WisdomThis is called DIKW hierarchy, you ...

Ahh..I won't lie, It's quite simple to start a career in Data Science. You just have to be street smart :PThere is no fix job or delivery when you work as a Data Scientist or Decision Scientist, you ...

Piyush was here, I was ready with my cup of tea. I always used to worry about visualizations. For me, most of the visualization work was done by either my Visualization tool or the master of all i.e. ...

Natural Language Processing

Data Science comprises of innumerable topics. The aim of this 100 Days series is to get you started assuming that you have no prior knowledge of any of these topics. In this

Location – BangaloreJob Title – Business Analyst Experience Required – 2-3 YearsNumber of Rounds – 4Round 1 - Aptitude and Guesstimate Questions(Written)Round 2 - SQL round(Written)Round 3 - Technical Interview with hands-on coding(SQL, R/Python, and MS Excel)Round ...

Box8 is an Indian food delivery start-up which is currently functioning in Mumbai, Pune, Bangalore and Gurugram. Title –Data AnalystExperience required – 1-3 yearsNumber of Rounds ...

Moonfrog Labs is a Bangalore based start-up that makes mobile-first games for masses. It was established in 2013 with a total funding of $16M. Location – ...

Supervised Learning is one of the most important part of Data Science realm. It is the part of Data Science where you supervise or have the output for a given set of inputs and you have to create ...

Numpy is a Python package which is well known for its data-crunching functions. It is one of the most used Python packages for Data Science. We will look into the package in brief below:- To start with, import the ...

We all know what a function is and how helpful it is? Just iterating what we already know, Functions are nothing but a reusable piece of code which often takes some value, processes it and returns the result. ...

Python is undoubtedly the best language to perform any data science operation. The best part of using Python is that the Python community is very active, so whenever you are stuck in a piece of code or concept, ...

Welcome to the first day of "100 Days Data Science Challenge". In this series, we will try to make you understand with one topic at a time which should not take more than 2 hours. So, in total, ...

We will start with Regular Expressions. RegEx is a way of creating a rule to filter what you want from your data. We will to keep Python as a consistent coding language for this complete exercise. Many of you ...

What is NLP? NLP stands for Natural Language Processing. To put it in a simple way, NLP is a way of developing applications which can understand human language. Millions of Gigabytes of data is being generated every day and there is ...

Publicis Sapient, formerly Sapient, is a digital transformation partner helping established organizations get to their future, digitally-enabled state by fusing strategy, consulting and customer experience with agile engineering. It was founded in 1990.

What are the data structure in R which helps in statistical analysis and graphical representation? Ans.) The following are the data structure in R which are widely used:- a.) Array b.)Matrix c.)Vector d.) Data frame e.) List f.) Tables What is class() function in R? Ans.) This ...

Before you start with the questions, make sure you have your basics clear. Look for explanation if you don't have enough context about some syntax or function. We have provided the table schema wherever required, in case the ...