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Target Senior Data Scientist Interview Questions and Answers
Target Senior Data Scientist Interview Experiences
1 interview found
Omkar Patil
I applied via Job Portal
Standard DSA questions
(1 Question)
- Q1. How to do anomaly detection in un-structured data?
- Ans.
Anomaly detection in unstructured data involves using techniques like clustering, outlier detection, and natural language processing.
Use clustering algorithms like k-means or DBSCAN to group similar data points together.
Apply outlier detection methods such as isolation forests or one-class SVM to identify anomalies.
Utilize natural language processing techniques like word embeddings or topic modeling for text data.
Consi...
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Anonymous
I applied via Naukri.com and was interviewed in Aug 2024. There was 1 interview round.
(2 Questions)
- Q1. Bias and variance with respect to model
- Ans.
Bias and variance are two types of errors that can occur in a model.
Bias refers to the error introduced by approximating a real-world problem, leading to underfitting.
Variance refers to the error introduced by modeling the noise in the training data, leading to overfitting.
Balancing bias and variance is crucial for creating a model that generalizes well to unseen data.
- Q2. Hypotheses test
Skills evaluated in this interview
(2 Questions)
- Q1. Intermediate level SQL questions using joins and case when
- Q2. String manipulation advanced level question in python
I applied via Company Website and was interviewed in Mar 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Introduce your PhD project and what techniques are used for them.
- Q2. How do you fit the role you applied for?
A business data related project that you should build a model for it.
Selected
I applied via Approached by Company and was interviewed in Jul 2024. There was 1 interview round.
Python and sql based questions
I applied via Job Portal
A/B Testing, data structures
Interview Preparation Tips
Selected
I applied via LinkedIn and was interviewed before Jan 2024. There were 4 interview rounds.
Case Study was related to customer propensity to buy.
(2 Questions)
- Q1. Linear Regression Assumptions
- Q2. ML Algorithms and Evaluation Metrics.
(1 Question)
- Q1. What is VIF(variance inflation factor)
(1 Question)
- Q1. Why do you want to join?
Interview Preparation Tips
Selected
I applied via Referral and was interviewed before Aug 2022. There were 3 interview rounds.
(1 Question)
- Q1. Heavy SQL solutions
Retail case study, with soft skills is required for this round
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Nov 2021. There were 2 interview rounds.
(1 Question)
- Q1. Round one was a combination of a technical round and a discussion on previous work experience. Questions - Previous work experience, Basic SQL questions, Basic Python questions, Basic Tableau question...
(1 Question)
- Q1. This was a culture fit round. This was a one on one discussion with the manager. Offer letter was rolled out after this round.
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Target Senior Data Scientist Interview Process
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