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Nielsen Interview Questions, Process, and Tips for Experienced
Top Nielsen Interview Questions and Answers for Experienced
- Q1. What is the importance of Adjusted R-square, F-test, T-test in a Regression model.asked in Team Manager interview
- Q2. Write pandas query to separate the names as first and last name from the full name. Drop the duplicate columns and also the missing values. Write output for the Python co ...read moreasked in Data Scientist interview
- Q3. Which company are you using Toothpaste,Toilet soup ,contrasafety? manufacturing and company name ?asked in Auditor interview
Nielsen Interview Experiences for Experienced
51 interviews found
Anonymous
(2 Questions)
- Q1. What is pip in python
- Ans.
pip is a package manager for Python that allows you to install and manage libraries and dependencies.
pip is used to install Python packages from the Python Package Index (PyPI)
It can also be used to uninstall packages, upgrade packages, and list installed packages
Example: 'pip install numpy' installs the numpy package
- Q2. Questions on join
Skills evaluated in this interview
Data Engineer Interview Questions asked at other Companies
K M SUDARSHAN
(1 Question)
- Q1. Terraform basic questions
(1 Question)
- Q1. Questions on Linux, Python
Devops Engineer Interview Questions asked at other Companies
I applied via Approached by Company and was interviewed in May 2024. There was 1 interview round.
(2 Questions)
- Q1. What is a bloom filter in hbase ?
- Ans.
A bloom filter in HBase is a data structure used to test whether a given element is a member of a set.
Bloom filters are used to reduce the number of disk reads in HBase by quickly determining if a row may exist in a table.
They are implemented as a compact array of bits, with multiple hash functions used to map elements to bits.
Bloom filters can produce false positives but not false negatives, making them useful for pre...
- Q2. Write a query to remove duplicate rows in pyspark based on primary key.
- Ans.
Use dropDuplicates() function in pyspark to remove duplicate rows based on primary key.
Use dropDuplicates() function on the DataFrame with the primary key column specified.
Specify the subset parameter in dropDuplicates() to specify the primary key column.
Example: df.dropDuplicates(['primary_key_column'])
Interview Preparation Tips
Skills evaluated in this interview
Softwaretest Engineer Interview Questions asked at other Companies
ATHIRA MARTIN
(1 Question)
- Q1. Print number of characters in a string using Stream APIs
- Ans.
Use Stream APIs to count number of characters in a string
Use the chars() method to convert the string to a stream of characters
Use the count() method to count the number of characters in the stream
Skills evaluated in this interview
Lead Engineer Interview Questions asked at other Companies
Nielsen interview questions for popular designations
Selected
I applied via Referral and was interviewed in Apr 2024. There was 1 interview round.
(2 Questions)
- Q1. How do you prioritize tasks when faced with multiple situations?
- Q2. Tell us time when you had to resolve conflict within in your team, how did you handle it?
Interview Preparation Tips
Thats good to have a knowledge
Get interview-ready with Top Nielsen Interview Questions
Selected
I applied via Naukri.com and was interviewed in Oct 2023. There were 4 interview rounds.
Sql, python, Statistics mcq, Aptitude test. These were medium level questions.
(3 Questions)
- Q1. SQL and python, time complexity
- Q2. Make 2 lists a=[1,2,3,4] b=[9,8,5,5,2,3,3,4,1,1,10,9,2,3,4,10,10,9,7,7,8] Write a program to remove duplicate of b and keep only those elements of b which are not present in a, and the final list should ...
- Ans.
Remove duplicates from list b, keep elements not in list a, and sort in ascending order.
Create a set from list b to remove duplicates
Use list comprehension to keep elements not in list a
Sort the final list in ascending order
- Q3. SQL question Remove duplicate from a table tab1
- Ans.
Use the DISTINCT keyword in SQL to remove duplicates from a table.
Use the SELECT DISTINCT statement to retrieve unique rows from the table.
Identify the columns that should be used to determine uniqueness.
Example: SELECT DISTINCT column1, column2 FROM tab1;
Given 2 case studies on data science and asked different possibilities to improve the models.
How to work with imbalance dataset.
How to remove null values, what is features engineering.
What is PCA
What is the working of XGBOOST
(1 Question)
- Q1. What was last project, tell me in detail. There were different technical questions related to my project
Interview Preparation Tips
All the metrics of evaluating a model.
Linear regression, logestic regression, random forest, decission tree, adaboost, Gradient boosting, XGb in detail.
Recall, precision roc_curve. Auc, f1 score, mse,mae, r2, adjusted r2 score.
Is it possible that r2 score appears in minus
Skills evaluated in this interview
Data Scientist Interview Questions asked at other Companies
Jobs at Nielsen
I applied via LinkedIn and was interviewed in Apr 2024. There was 1 interview round.
(1 Question)
- Q1. What is SAP HANA DB?
- Ans.
SAP HANA DB is an in-memory database management system developed by SAP.
In-memory database system that stores data in RAM for faster processing
Allows real-time data processing and analytics
Supports both OLAP and OLTP workloads
Used for various applications like data warehousing, CRM, ERP, etc.
Consultant Interview Questions asked at other Companies
I applied via Recruitment Consulltant and was interviewed in Feb 2024. There was 1 interview round.
Basic ds algo round with questions asked around arrays strings
Interview Preparation Tips
Software Engineer Interview Questions asked at other Companies
Selected
I appeared for an interview in Sep 2024, where I was asked the following questions.
- Q1. Day to Day activities
- Q2. What were the hurdles during performing the BAU and how to overcome them
Nooruddin Shabbir Jasdanwala
Selected
I applied via Naukri.com and was interviewed before Dec 2023. There were 2 interview rounds.
MCQ'S related to process for which you have applied.
(2 Questions)
- Q1. Tell about yourself.
- Q2. Why you have applied for this role ?
Interview Preparation Tips
Credit Specialist Interview Questions asked at other Companies
Top trending discussions
Nielsen Interview FAQs
Some of the top questions asked at the Nielsen interview for experienced candidates -
The duration of Nielsen interview process can vary, but typically it takes about less than 2 weeks to complete.
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Nielsen Interviews By Designations
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Interview Questions for Popular Designations
Nielsen Interview Process for Experienced
based on 31 interviews
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Nielsen Reviews and Ratings
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Hyderabad / Secunderabad,
Gurgaon / Gurugram
+17-12 Yrs
Not Disclosed
Hyderabad / Secunderabad,
Gurgaon / Gurugram
+16-11 Yrs
Not Disclosed
|
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| ₹8 L/yr - ₹22 L/yr |
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