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Koch Business Solutions Data Scientist Interview Questions and Answers for Experienced
Koch Business Solutions Data Scientist Interview Experiences for Experienced
1 interview found
Anonymous
Selected
I applied via Naukri.com and was interviewed before Mar 2022. There were 3 interview rounds.
(2 Questions)
- Q1. Deep dive into your DS projects and implementation. Some questions about MLOPS and cloud exposure. Basic ML questions
- Q2. Gradient descent Linear regression Time series questions Lightgbm and xgboost
(1 Question)
- Q1. Time series question on ARIMA , ML approach to time series
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Interview Questionnaire
1 Question
- Q1. First Round: Basic Statistics, Basic Python Programming, Past Projects. Second Round: Past Projects, Questions from computer vision, NLP, SQL, Basic Python.
Selected
I applied via Referral and was interviewed before Jun 2023. There were 2 interview rounds.
(3 Questions)
- Q1. Questions related to sampling
- Q2. Questions related to outlier
- Q3. Python basics questions
Basic maths and statistics questions
I applied via Company Website and was interviewed in Jun 2024. There were 2 interview rounds.
MCQS around aptitude and technical skills such as SQL, Python
(1 Question)
- Q1. Sql, Python, data science statistics
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Jan 2024. There was 1 interview round.
(1 Question)
- Q1. Tell me about scaling. ensemble techniques. precession, recall, f1 score, ROC AUC LSTM and RNN Feature selection and extraction optimization function loss functions word embedding word2vec tf-idf outliers...
Interview Preparation Tips
Related to basic statistics, and case study on sample design
(2 Questions)
- Q1. Explain the answers of case study on aptitude test
- Q2. Sample design related questions
Nayan Kumar
Selected
I applied via Naukri.com and was interviewed in Mar 2024. There were 3 interview rounds.
(1 Question)
- Q1. Basic ML Question, Timesereis and RNN with some questions on Comp Vision
(1 Question)
- Q1. Project driven. Some coding
(1 Question)
- Q1. Salary Discussion
(1 Question)
- Q1. Question regarding nlp,python,ml
Interview Preparation Tips
I applied via Recruitment Consulltant and was interviewed in May 2023. There were 3 interview rounds.
(3 Questions)
- Q1. Machine Learning algorithms
- Ans.
Machine Learning algorithms are used to train models on data to make predictions or decisions without being explicitly programmed.
Machine Learning algorithms can be categorized into supervised, unsupervised, and reinforcement learning.
Examples of supervised learning algorithms include linear regression, decision trees, and support vector machines.
Examples of unsupervised learning algorithms include k-means clustering, ...
- Q2. Overfitting and underfitting
- Q3. Questions related to the project
(2 Questions)
- Q1. Questions on project, how much time required for training model
- Q2. Version control, Flask/ Django, Cloud service experience
Skills evaluated in this interview
Ammu Nandy
Selected
I applied via Referral and was interviewed in Feb 2024. There was 1 interview round.
(1 Question)
- Q1. Tell abt ur self
- Ans.
I am a data scientist with a background in statistics and machine learning, passionate about solving complex problems using data-driven approaches.
I have a Master's degree in Data Science from XYZ University.
I have experience working with Python, R, and SQL for data analysis and modeling.
I have worked on projects involving predictive analytics, natural language processing, and computer vision.
I am proficient in data vi...
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Koch Business Solutions Data Scientist Reviews and Ratings
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