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posted on 23 Aug 2024
Case Study on HR and People Management
Basic Leetcode Questions
IF-IDF stands for Inverse Document Frequency - Term Frequency. It is used in information retrieval to measure the importance of a term in a document.
IF-IDF is a numerical statistic that reflects how important a word is to a document in a collection or corpus.
It is calculated by multiplying the term frequency (TF) by the inverse document frequency (IDF) of the term.
IF-IDF helps in identifying the most relevant words in ...
I applied via Approached by Company and was interviewed in Jan 2024. There was 1 interview round.
I applied via Naukri.com and was interviewed in Aug 2024. There were 2 interview rounds.
Editing a paragraph.
Work from home culture has become increasingly popular due to advancements in technology and the current global situation.
Increased flexibility in work hours and location
Improved work-life balance for employees
Cost savings for both employees and employers
Challenges in communication and collaboration may arise
Importance of setting boundaries between work and personal life
posted on 24 Jan 2024
I applied via Job Fair and was interviewed in Dec 2023. There were 2 interview rounds.
Preparation of coal involves several steps to remove impurities and improve its quality.
Coal is first mined from underground or surface mines.
It is then transported to a coal preparation plant.
At the plant, coal is crushed, washed, and sorted into different sizes.
Impurities like rocks, dirt, and sulfur are removed through various processes.
The cleaned coal is then stored and transported to power plants or other users.
There are various sources of coal, including mines, coal seams, and coal deposits.
Coal can be sourced from underground mines, where miners extract coal from the earth.
Coal can also be sourced from open-pit mines, where large machinery is used to remove coal from the surface.
Coal seams, which are layers of coal within rock formations, can be another source of coal.
Coal deposits, which are accumulations of coal in specif...
I applied via campus placement at Keshav Memorial Institute of Technology, Nalgonda and was interviewed in Sep 2023. There were 3 interview rounds.
Duration was around 105 minutes
aptitude, python and java were sections in this round
Languages based in SQL include T-SQL, PL/SQL, and SQL/PSM.
T-SQL (Transact-SQL) is Microsoft's proprietary extension to SQL used in SQL Server.
PL/SQL (Procedural Language/SQL) is Oracle's procedural language extension to SQL.
SQL/PSM (SQL/Persistent Stored Modules) is a standard for defining stored procedures and functions in SQL.
Object-oriented programming concepts that focus on classes and objects
Encapsulation: bundling data and methods that operate on the data within a single unit
Inheritance: ability of a class to inherit properties and behavior from another class
Polymorphism: ability to present the same interface for different data types
Abstraction: hiding the complex implementation details and showing only the necessary features
posted on 8 Dec 2023
It was a basic aptitude test. Easy to solve for everyone. Basic aptitude questions can be practiced online
Case study was given to solve and was asked to submit a ppt
I was interviewed in Apr 2023.
I am a data scientist with experience in machine learning and data analysis.
I have worked on projects involving predictive modeling, natural language processing, and computer vision.
I am proficient in programming languages such as Python and R, and have experience with tools like TensorFlow and Tableau.
I have a strong background in statistics and mathematics, and am able to communicate complex ideas to both technical a
Bagging and boosting are ensemble techniques used to improve model performance by combining multiple models.
Bagging involves training multiple models on different subsets of the data and combining their predictions through averaging or voting.
Boosting involves iteratively training models on the same data, with each subsequent model focusing on the misclassified samples of the previous model.
Examples of bagging models i...
I have had a diverse professional journey with experience in various industries.
Started as a software engineer at a tech startup
Moved to a management consulting firm as a data analyst
Transitioned to a healthcare company as a data scientist
Currently working in a fintech company as a senior data scientist
Have experience in machine learning, data visualization, and project management
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