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I applied via Naukri.com and was interviewed before Feb 2023. There were 2 interview rounds.
LSTM is a type of RNN that addresses the vanishing gradient problem by using memory cells.
RNN stands for Recurrent Neural Network, a type of neural network that processes sequential data.
LSTM stands for Long Short-Term Memory, a type of RNN that includes memory cells to retain information over long sequences.
LSTM is designed to overcome the vanishing gradient problem, which occurs when training RNNs on long sequences.
L...
Evaluation matrices are used to assess the performance of models in data science.
Confusion matrix: used to evaluate the performance of classification models.
Precision, recall, and F1 score: measures for binary classification models.
Mean squared error (MSE): evaluates the performance of regression models.
R-squared: assesses the goodness of fit for regression models.
Area under the ROC curve (AUC-ROC): evaluates the perfo...
I applied via Job Fair and was interviewed in May 2024. There was 1 interview round.
I have learned multiple programming languages including Python, R, SQL, and Java.
Python
R
SQL
Java
posted on 29 Nov 2024
I applied via Naukri.com and was interviewed before Nov 2023. There were 4 interview rounds.
Developed a machine learning model to predict customer churn for a telecom company.
Collected and cleaned customer data including usage patterns and demographics
Used classification algorithms like Random Forest and Logistic Regression to build the model
Evaluated model performance using metrics like accuracy, precision, and recall
Math, English, reasoning
I applied via Referral and was interviewed before Jun 2023. There were 4 interview rounds.
Data Science MCQ questions
Building a baseline ML model with EDA etc.
Outliers can be analyzed using statistical methods like Z-score, IQR, or visualization techniques like box plots.
Calculate Z-score and identify data points with Z-score greater than a certain threshold as outliers.
Use Interquartile Range (IQR) to detect outliers by identifying data points outside 1.5 * IQR range.
Visualize data using box plots to identify any data points that fall outside the whiskers.
Consider domain kn...
posted on 31 Jul 2024
I applied via Job Portal and was interviewed in Jul 2024. There were 2 interview rounds.
Python programming for 45 for minutes
Hyperparameters of SVM include C, kernel, gamma, degree, and coef0.
C: Regularization parameter that controls the trade-off between achieving a low error on the training data and minimizing model complexity.
Kernel: Specifies the type of hyperplane used to separate the data.
Gamma: Kernel coefficient for 'rbf', 'poly', and 'sigmoid' kernels.
Degree: Degree of the polynomial kernel function.
Coef0: Independent term in kernel...
Hyperparameters can be tuned using techniques like grid search, random search, and Bayesian optimization.
Grid search: Exhaustively search through a specified subset of hyperparameters.
Random search: Randomly sample hyperparameter combinations.
Bayesian optimization: Use probabilistic models to predict the performance of different hyperparameter configurations.
I want to join the company because of its innovative projects and strong company culture.
I am impressed by the company's track record of successful projects.
I believe the company's values align with my own professional goals.
I am excited about the opportunity to work with a talented team of professionals.
I see great potential for growth and development within the company.
I am a dedicated and hardworking individual with relevant skills and experience.
I have a strong work ethic and am committed to delivering high-quality results.
I have relevant experience and skills that align with the requirements of the position.
I am a quick learner and adaptable to new environments.
I am passionate about the industry and eager to contribute to the team.
I would like to work in a marketing and communications profile.
Experience in creating marketing campaigns
Strong communication skills
Ability to analyze market trends and consumer behavior
Proficiency in social media and digital marketing
Collaboration with cross-functional teams
I was interviewed in Apr 2017.
I was interviewed before Aug 2016.
The BCG matrix is a strategic planning tool used to analyze a company's portfolio of products or business units.
Developed by the Boston Consulting Group (BCG)
It categorizes products/business units into four quadrants based on market growth rate and market share
Quadrants: Stars, Cash Cows, Question Marks, and Dogs
Helps in resource allocation and strategic decision-making
Example: Apple's iPhone as a Star, iPod as a Cash ...
Market segmentation is the process of dividing a broad target market into smaller, more specific groups based on common characteristics.
Market segmentation helps businesses identify and target specific customer groups.
It involves analyzing factors such as demographics, psychographics, and behavior to create segments.
Segments can be based on age, gender, income, interests, location, etc.
By understanding the needs and pr...
My strengths include strong communication skills, adaptability, and problem-solving abilities.
Strong communication skills: I am able to effectively convey information and ideas to others.
Adaptability: I am able to quickly adjust to new situations and environments.
Problem-solving abilities: I am skilled at analyzing complex problems and finding creative solutions.
One of my weaknesses is that I tend to be overly critical of my own work.
I have a tendency to be a perfectionist and spend too much time on tasks
I struggle with delegating tasks to others
I can be overly self-critical and have difficulty accepting praise or recognition
I am a dedicated and passionate individual with a strong work ethic and a proven track record of success.
I have consistently achieved top grades in my academic studies, showcasing my commitment to excellence.
I have completed multiple internships in the past where I received glowing feedback from supervisors for my hard work and dedication.
I am actively involved in extracurricular activities such as volunteering and lea...
I applied via Campus Placement and was interviewed before Feb 2021. There were 2 interview rounds.
Quant, verbal, lrdi
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