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Changejar Technologies
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I applied via Referral and was interviewed before Nov 2023. There were 3 interview rounds.
Basic coding in python , working with lists and dataframe
I was interviewed in Oct 2024.
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A Transformer is a type of deep learning model that uses attention mechanisms to improve the efficiency of sequence-to-sequence tasks.
Utilizes self-attention mechanism to weigh the importance of different input elements
Commonly used in natural language processing tasks such as machine translation and text generation
Examples include BERT, GPT, and Transformer-XL
I applied via Approached by Company and was interviewed in Jan 2023. There were 3 interview rounds.
Excel(unstructured data) to be structured which can be easily achieved using sql
About guesstimates and other things
I applied via WorkDay and was interviewed before Mar 2023. There were 3 interview rounds.
Code Signal MCQ around Data Analysis - Excel, SQL, Tableau, Joins Questions
Data Challenge: 10 days Take Home Case Study on Airlines Dataset
I applied via Approached by Company and was interviewed before Jun 2023. There was 1 interview round.
A basic machine learning model is a mathematical algorithm that learns patterns from data to make predictions or decisions.
Uses labeled data to train the model
Can be supervised or unsupervised
Examples include linear regression, decision trees, and k-means clustering
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