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TechVantage Systems
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I applied via LinkedIn and was interviewed before Jul 2023. There were 4 interview rounds.
Basic stat, sql, python, ML related questions
Give a group project and discuss about how you would do that
My favorite ML algorithm is Random Forest, as it is versatile, easy to use, and provides high accuracy.
Random Forest is an ensemble learning method that builds multiple decision trees and merges them together to get a more accurate and stable prediction.
It can handle both regression and classification tasks.
Random Forest is less prone to overfitting compared to individual decision trees.
It can handle large data sets wi...
Neural networks are a type of machine learning model inspired by the human brain, consisting of interconnected nodes that process information.
Neural networks consist of layers of interconnected nodes, each performing a specific function.
They use activation functions to introduce non-linearity into the model.
Neural networks learn by adjusting the weights of connections between nodes through a process called backpropagat...
In 5 years, I see myself as a seasoned Data Scientist leading innovative projects and mentoring junior team members.
Continuing to expand my knowledge and skills in data science through continuous learning and professional development opportunities
Taking on more leadership roles within the organization, such as leading project teams or mentoring junior data scientists
Contributing to cutting-edge research and development...
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I applied via Walk-in and was interviewed before Dec 2020. There were 3 interview rounds.
I applied via Naukri.com and was interviewed in Aug 2020. There were 3 interview rounds.
I applied via Recruitment Consultant and was interviewed in Nov 2020. There were 3 interview rounds.
I applied via Campus Placement and was interviewed before Feb 2020. There were 6 interview rounds.
I applied via Company Website and was interviewed before Feb 2020. There was 1 interview round.
I applied via Walk-in and was interviewed before Sep 2019. There were 5 interview rounds.
I applied via Campus Placement and was interviewed in Oct 2020. There were 4 interview rounds.
Bubble sort is a simple sorting algorithm that repeatedly steps through the list, compares adjacent elements and swaps them if they are in the wrong order.
Start from the first element and compare it with the next element
If the next element is smaller, swap them
Repeat this process for all elements in the array
Continue this process until no more swaps are needed
A program to print all prime numbers
Take input from user for range of numbers
Loop through the range and check if each number is prime
Print the prime numbers
Hashmap is a data structure that stores key-value pairs and allows constant time access to values based on their keys.
Hashmap uses a hash function to map keys to indices in an array.
Collisions can occur when multiple keys map to the same index, which can be resolved using techniques like chaining or open addressing.
Examples of hashmap implementations include Java's HashMap class and Python's dict type.
Inheritance is a mechanism in object-oriented programming where a new class is created by inheriting properties of an existing class.
Inheritance allows code reuse and promotes code organization.
The existing class is called the parent or superclass, and the new class is called the child or subclass.
The child class inherits all the properties and methods of the parent class and can also add new properties and methods.
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