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Yubi Data Scientist Interview Questions and Answers

Updated 5 Aug 2024

Yubi Data Scientist Interview Experiences

3 interviews found

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Sql and pandas problems along mcqs on ML

Round 2 - Technical 

(2 Questions)

  • Q1. Linear Regression
  • Q2. Basic Neural Network Implementation
Round 3 - Technical 

(2 Questions)

  • Q1. Question about working of BERT
  • Q2. Word2vec explanation
  • Ans. 

    Word2vec is a technique used to create word embeddings by training a neural network on a large corpus of text.

    • Word2vec is a shallow neural network model that learns to represent words as vectors in a continuous vector space.

    • It captures semantic relationships between words by placing similar words close together in the vector space.

    • There are two main architectures for Word2vec: Continuous Bag of Words (CBOW) and Skip-gr...

  • Answered by AI

Skills evaluated in this interview

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Interview experience
4
Good
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Referral and was interviewed in Jul 2024. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Question regarding my resume .It is technical interview
Round 2 - Case Study 

Case study-this is about loan default prediction assignment

Data Scientist Interview Questions Asked at Other Companies

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asked in Coforge
Q5. coding question of finding index of 2 nos. having total equal to ... read more
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Feb 2023. There was 1 interview round.

Round 1 - One-on-one 

(2 Questions)

  • Q1. What is clustering
  • Ans. 

    Clustering is a technique used in data analysis to group similar data points together based on their characteristics.

    • Clustering is an unsupervised learning method.

    • It helps in identifying patterns and relationships in data.

    • Common clustering algorithms include K-means, hierarchical clustering, and DBSCAN.

    • Example: Grouping customers based on their purchasing behavior.

    • Example: Identifying different species of flowers based

  • Answered by AI
  • Q2. How to avoid overfitting
  • Ans. 

    To avoid overfitting, use techniques like cross-validation, regularization, and increasing training data.

    • Use cross-validation to evaluate model performance on unseen data

    • Apply regularization techniques like L1 or L2 regularization to penalize complex models

    • Increase the size of the training dataset to provide more diverse examples

    • Use feature selection or dimensionality reduction methods to reduce the complexity of the m...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare for basics

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
-
Result
Not Selected

I applied via Campus Placement and was interviewed in Aug 2023. There was 1 interview round.

Round 1 - Aptitude Test 

Apptitude + two easy level coding questions , behavioural questions,

Interview Preparation Tips

Interview preparation tips for other job seekers - round 1 : two coding questions of easy level + apptitude (english comprehensive, logical reasoning) + behavioural questions
round 2 : HR + technical combined ( asked your past experience with data handelling and tools used , asked some puzzles and gestimates)

GFG for puzzles, apptitude, english, logical resoning
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Jul 2023. There were 4 interview rounds.

Round 1 - Aptitude Test 

Basic questions like stats, probability etc

Round 2 - Assignment 

Scenario based question

Round 3 - Technical 

(1 Question)

  • Q1. Questions on fundamentals
Round 4 - HR 

(1 Question)

  • Q1. General questions
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(1 Question)

  • Q1. Tell me about your self
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

I was a test in our college of about 45min revolving around aptitude.

Round 2 - Coding Test 

Few basic coding questions.

Round 3 - One-on-one 

(2 Questions)

  • Q1. About linear and logistic regression
  • Q2. About svm and kernels
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Common ways to evaluate Time Series model
  • Ans. 

    Common ways to evaluate Time Series model include AIC, BIC, RMSE, MAE, ACF, PACF, etc.

    • Use Akaike Information Criterion (AIC) and Bayesian Information Criterion (BIC) to compare models

    • Calculate Root Mean Squared Error (RMSE) and Mean Absolute Error (MAE) to assess model accuracy

    • Analyze Autocorrelation Function (ACF) and Partial Autocorrelation Function (PACF) to check for autocorrelation in residuals

  • Answered by AI
  • Q2. Best ways to handle multicollinearity
  • Ans. 

    Use techniques like feature selection, regularization, PCA, and VIF to handle multicollinearity.

    • Perform feature selection to choose the most relevant variables for the model.

    • Apply regularization techniques like Lasso or Ridge regression to penalize high coefficients.

    • Utilize Principal Component Analysis (PCA) to reduce dimensionality and decorrelate variables.

    • Check for Variance Inflation Factor (VIF) to identify highly

  • Answered by AI
Round 2 - Technical 

(2 Questions)

  • Q1. Write a function taking input as string and output a dictionary which will give key as characters in these string and values as their frequency of occurrence
  • Q2. TF IDF in NLP
  • Ans. 

    TF IDF is a technique used in NLP to measure the importance of a word in a document within a collection of documents.

    • TF IDF stands for Term Frequency-Inverse Document Frequency.

    • It is used to determine how important a word is in a document relative to a collection of documents.

    • TF IDF is calculated by multiplying the term frequency (TF) of a word in a document by the inverse document frequency (IDF) of the word across al...

  • Answered by AI

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Azure Data Lake, Prediction model

I applied via Job Portal and was interviewed in Dec 2021. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Technical 

(1 Question)

  • Q1. Metrics and related questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Quite easy if you know ml basics
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Yubi Interview FAQs

How many rounds are there in Yubi Data Scientist interview?
Yubi interview process usually has 2 rounds. The most common rounds in the Yubi interview process are Technical, One-on-one Round and Coding Test.
How to prepare for Yubi Data Scientist interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Yubi. The most common topics and skills that interviewers at Yubi expect are Machine Learning, Python, Assembly, CRM and Data Engineering.
What are the top questions asked in Yubi Data Scientist interview?

Some of the top questions asked at the Yubi Data Scientist interview -

  1. how to avoid overfitt...read more
  2. what is cluster...read more
  3. Word2vec explanat...read more

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Yubi Data Scientist Salary
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