IIFL SAMASTA Data Analyst Interview Questions, Process, and Tips

Asked questions of finance and aptitude

Q1. What is machine learning?
Ans. 
Machine learning is a branch of artificial intelligence that involves developing algorithms and models that enable computers to learn from and make predictions or decisions based on data.
• Machine learning is a subset of artificial intelligence that focuses on developing algorithms that can learn from and make predictions or decisions based on data.

• It involves training models on large datasets to recognize patterns and m...read more
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Q2. What do you know about SQL?
Ans. 
SQL is a programming language used for managing and manipulating relational databases.
• SQL stands for Structured Query Language

• It is used to retrieve and manipulate data in relational databases

• Common SQL commands include SELECT, INSERT, UPDATE, DELETE

• SQL can be used to create tables, indexes, and views

• Examples of SQL databases include MySQL, PostgreSQL, Oracle
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Q3. What you know about software Development?
Ans. 
Software development involves creating, designing, testing, and maintaining software applications.
• Software development includes coding, testing, debugging, and documenting software applications.

• Developers use programming languages like Java, Python, C++, etc. to write code.

• Agile and Waterfall are common software development methodologies.

• Version control systems like Git are used to manage code changes.

• Software developm...read more
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Q1. What are the algorithms you know in machine learning and their details ?
Ans. 
Various machine learning algorithms with brief details
• Supervised Learning: Linear Regression, Logistic Regression, Support Vector Machines (SVM), Decision Trees, Random Forest

• Unsupervised Learning: K-means Clustering, Hierarchical Clustering, Principal Component Analysis (PCA)

• Reinforcement Learning: Q-Learning, Deep Q-Networks (DQN)

• Neural Networks: Convolutional Neural Networks (CNN), Recurrent Neural Networks (RNN), L
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Q2. Python questions
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They will ask general aptitude test

It was 30 minutes aptitude test

Q1. Salary related questions
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Q2. Work related questions
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Q3. They asked about last job details
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Q1. It was more related to my projects
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Q2. Asked questions on PCA,KNN and Elbow method .
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Q1. Asked SVM and Logistic regression, their applications and real life uses
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Q2. Matrix formation of a knockout Tournament
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Q1. What is your current role ?
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Q2. Why are you looking for a job change?
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Q1. Python based list iteration, SQL join based questions
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Q1. What are the project you have worked upon ?
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Asked about a case study on whom to give a loan among 1000 customers

Q1. Proficiency in data analytics tool level?
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Q1. Tell me about the types of join sql.
Ans. 
Types of join SQL include inner join, left join, right join, and full outer join.
• Inner join: Returns rows when there is a match in both tables.

• Left join: Returns all rows from the left table and the matched rows from the right table.

• Right join: Returns all rows from the right table and the matched rows from the left table.

• Full outer join: Returns rows when there is a match in either table.
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Q2. Tell about the dax function
Ans. 
DAX (Data Analysis Expressions) is a collection of functions, operators, and constants that can be used in Power BI, Excel, and other data analysis tools.
• DAX functions are used to create calculated columns, measures, and calculated tables in Power BI and Excel.

• DAX functions include mathematical, logical, statistical, and text functions.

• Examples of DAX functions are SUM, AVERAGE, IF, RELATED, CALCULATE, etc.
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Q1. No questions asked
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Q2. No questions are asked
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Q3. No questions asked as doesnt want to interview
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