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I applied via Naukri.com and was interviewed before Dec 2023. There were 2 interview rounds.
Experienced data analyst with a background in statistics and programming.
Over 5 years of experience in analyzing and interpreting complex data sets
Proficient in statistical software such as R and Python
Strong background in data visualization and reporting
Excellent communication and problem-solving skills
Previously worked on projects involving predictive modeling and machine learning
BI stands for Business Intelligence, which involves analyzing data to help organizations make informed decisions.
BI involves collecting, analyzing, and presenting data to help organizations make strategic decisions.
It includes tools like dashboards, data visualization, and reporting.
BI can help identify trends, patterns, and opportunities for improvement.
Examples of BI tools include Tableau, Power BI, and QlikView.
Yes, Power Query is a data connection technology that enables you to discover, connect, combine, and refine data across a wide variety of sources.
Power Query is a tool in Microsoft Excel used for data transformation and manipulation.
It allows users to import data from various sources, clean and transform it, and load it into Excel for analysis.
Power Query can be used to merge, append, and reshape data from different so...
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I applied via Referral and was interviewed in Aug 2024. There was 1 interview round.
Moving Average is a statistical technique used to analyze data points by creating a series of averages of different subsets of the full data set.
Moving Average helps in smoothing out fluctuations in data to identify trends over time.
It is calculated by taking the average of a specific number of data points within a defined window.
For example, a 3-day moving average for stock prices would be the average of the stock pri...
Decorators in Python are functions that modify the behavior of other functions.
Decorators are denoted by the @ symbol followed by the decorator function name.
They allow you to add functionality to an existing function without modifying its code.
Common use cases include logging, timing, and authentication.
Example: @decorator_function def function_to_decorate(): pass
Object Oriented Programming is a programming paradigm based on the concept of objects, which can contain data and code.
OOP focuses on creating objects that interact with each other to solve complex problems.
Objects have attributes (data) and methods (functions) that can manipulate the data.
Encapsulation, inheritance, and polymorphism are key principles of OOP.
Example: In a car simulation program, a 'Car' object can hav...
Classes are blueprints for creating objects in object-oriented programming.
Classes define the properties and behaviors of objects
Objects are instances of classes
Classes can inherit properties and behaviors from other classes
Classes can have constructors to initialize objects
Classes can have methods to perform actions
Functions are blocks of code that perform a specific task and can be reused multiple times in a program.
Functions help in organizing code and making it more modular.
They can take input parameters and return output values.
Functions can be called multiple times from different parts of the program.
Examples: summing two numbers, finding the maximum value in a list.
Swap L1 and L5 in a list
Create a temporary variable to store the value of L1
Assign the value of L5 to L1
Assign the value of the temporary variable to L5
I applied via LinkedIn and was interviewed in Sep 2020. There was 1 interview round.
Sharing data insights can help improve services and identify revenue opportunities.
Analyzing customer behavior can help identify areas for improvement
Identifying trends in sales data can help optimize pricing strategies
Using data to personalize marketing efforts can increase customer engagement
Predictive modeling can help identify potential revenue opportunities
Tracking key performance indicators can help optimize busi
I was interviewed in Aug 2024.
Calculate the number of rows after joining two datasets.
Count the number of rows in each dataset
Perform the join operation
Count the number of rows in the resulting dataset
Use Excel's text to columns feature to split person names into separate columns.
Select the column containing the full names
Go to the Data tab and click on Text to Columns
Choose 'Delimited' and select the delimiter that separates the names (e.g. space)
Click Finish to split the names into separate columns
I was interviewed before Feb 2024.
Data structure and algorithm questions based on prefix sums.
Questions related to tree-based data structures and algorithms.
I applied via Referral
Machine coding round
Developed a web application for managing inventory and sales for a retail store
Used React.js for front-end development
Implemented Node.js for back-end functionality
Utilized MongoDB for database management
I am a passionate software developer with experience in Java, Python, and web development.
Experienced in Java, Python, and web development technologies
Strong problem-solving skills
Team player with excellent communication skills
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