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I applied via Job Fair and was interviewed in Mar 2024. There was 1 interview round.
Hyper parameters are settings that control the learning process of a machine learning algorithm, such as the learning rate or regularization strength.
Hyper parameters for linear regression include learning rate, regularization strength, number of iterations, and batch size.
Learning rate controls the step size in updating the model parameters during training.
Regularization strength helps prevent overfitting by penalizin...
Gradient descent is an optimization algorithm used to minimize the cost function in machine learning by iteratively moving towards the minimum.
Gradient descent calculates the gradient of the cost function with respect to each parameter in the model.
It then updates the parameters in the opposite direction of the gradient to minimize the cost function.
The learning rate determines how big of a step to take in the directio...
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I applied via Walk-in and was interviewed in Mar 2024. There were 3 interview rounds.
There are 20 questions from verbal reasoning and 14 is the passing criteria and I got 18 from 20 to clear the first round.
Developed a machine learning model to predict customer churn for a telecom company.
Used historical customer data to train the model
Implemented various classification algorithms such as logistic regression, random forest, and XGBoost
Evaluated model performance using metrics like accuracy, precision, recall, and F1 score
I am a detail-oriented individual with a background in data analysis and a passion for machine learning.
Graduated with a degree in Computer Science
Completed internships in data analysis at tech companies
Proficient in programming languages like Python and R
Experience with machine learning algorithms such as regression and classification
I want to join HCL because of its reputation for innovation and growth opportunities.
HCL is known for its cutting-edge technology solutions and innovative projects.
I am impressed by HCL's commitment to employee development and career advancement.
I believe HCL will provide me with a challenging and rewarding work environment.
I am excited about the opportunity to contribute to HCL's success and be part of a dynamic team.
I applied via Naukri.com and was interviewed in Mar 2022. There were 3 interview rounds.
Two paper set will be conduct, English and Maths with normal reasoning, will be duration of 1/2 hour or 1 hour each, on submitting or clearing 1 Test can appear for 2nd test and if you cleared both then Rock on ?, Test will be answered as you want with Video and audio turned on, after applying to CXQO post you will receive an email for test and after getting that link you have to attempt it within 2 days. All follow ups will be on email by company and you just have to check email box after clearing test for interview.
I applied via Company Website and was interviewed before Nov 2021. There were 3 interview rounds.
Logical reasoning and quantitative aptitude
I applied via Walk-in and was interviewed in Jul 2022. There were 2 interview rounds.
I applied via Naukri.com and was interviewed in Apr 2022. There were 2 interview rounds.
Basic english test, audio transcription test
I applied via Company Website and was interviewed before Nov 2021. There were 4 interview rounds.
Basic Grammar Duration: 30 mins
Mathematical Aptitude Duration: 30 mins
I applied via Walk-in and was interviewed before Nov 2021. There were 2 interview rounds.
I applied via Referral and was interviewed before Sep 2021. There were 2 interview rounds.
Aptitude and English language test
I applied via Walk-in and was interviewed before Sep 2021. There were 2 interview rounds.
Verbal ability and logical reasoning, Good knowledge of English grammer
Interview experience
TCS
Accenture
Wipro
Cognizant