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Bristol-Myers Squibb R Programmer Interview Questions, Process, and Tips for Experienced
Bristol-Myers Squibb R Programmer Interview Experiences for Experienced
1 interview found
Anonymous
I applied via Recruitment Consulltant and was interviewed in Jul 2024. There was 1 interview round.
(5 Questions)
- Q1. Explain your project
- Ans.
Developed a predictive model for customer churn using machine learning algorithms
Used R programming language to clean and preprocess customer data
Implemented various machine learning algorithms such as Random Forest and Logistic Regression
Evaluated model performance using metrics like accuracy, precision, and recall
- Q2. What metrics you used to test the models deployed
- Ans.
I use metrics such as accuracy, precision, recall, F1 score, ROC-AUC, and confusion matrix to test the models deployed.
Accuracy: measures the overall correctness of the model
Precision: measures the proportion of true positive predictions among all positive predictions
Recall: measures the proportion of true positive predictions among all actual positives
F1 score: balances precision and recall
ROC-AUC: measures the area u...
- Q3. How well versed are you with JavaScript?
- Ans.
I have a basic understanding of JavaScript and can work with it to some extent.
Familiar with basic JavaScript syntax and concepts
Able to manipulate DOM elements using JavaScript
Have experience working with JavaScript libraries like jQuery
- Q4. Can you provide an example of integrating R with JavaScript?
- Ans.
Yes, R can be integrated with JavaScript using the 'shiny' package to create interactive web applications.
Use the 'shiny' package in R to create interactive web applications
Use the 'htmlwidgets' package to embed interactive R visualizations in web pages
Utilize the 'r2d3' package to create D3 visualizations in R and embed them in web applications
- Q5. Which modules do you use in R to import Javascript?
- Ans.
The 'V8' package in R is used to import and execute JavaScript code.
Use the 'V8' package in R to import and execute JavaScript code.
Install the 'V8' package using install.packages('V8').
Load the 'V8' package using library(V8).
Use the v8() function to create a new V8 context and execute JavaScript code.
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I applied via Campus Placement and was interviewed in Apr 2023. There were 3 interview rounds.
Maths, logical reasoning, 1.5 hrs
(3 Questions)
- Q1. About sql joins, python sets, lists, etc
- Q2. Queries, union etc
- Q3. Project related questions
Interview Preparation Tips
I applied via Naukri.com and was interviewed in May 2024. There were 2 interview rounds.
(2 Questions)
- Q1. What is lamda function
- Ans.
Lambda function is an anonymous function in programming that can have multiple arguments but can only have one expression.
Lambda functions are used for creating small, one-time use functions without the need to define a formal function.
They are often used in functional programming languages like Python.
Lambda functions can take any number of arguments, but can only have one expression.
Example: lambda x: x*2 defines a l
- Q2. Difference between list and tuple
- Ans.
List is mutable, tuple is immutable in Python.
List can be modified after creation, tuple cannot.
List uses square brackets [], tuple uses parentheses ().
List is used for collections of items that may change, tuple for fixed collections.
Example: list_example = [1, 2, 3], tuple_example = (4, 5, 6)
(2 Questions)
- Q1. Explain your previous work experience
- Q2. Explain with example how your work related to real life example
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Skills evaluated in this interview
Pavithra Kabilan
Selected
I applied via Referral and was interviewed before Jun 2023. There were 2 interview rounds.
(2 Questions)
- Q1. SQL related - Joins, Range, Limits
- Q2. .Net related - syntax, basic programs
(2 Questions)
- Q1. Previous experience
- Q2. Comfortability with shifts
ROHIT JAIN
(1 Question)
- Q1. What are the basics of power bi
- Ans.
Power BI is a business analytics tool by Microsoft for visualizing and analyzing data.
Power BI is a business analytics tool by Microsoft
It allows users to visualize and analyze data from various sources
Users can create interactive reports and dashboards
Power BI offers a wide range of data connectors for seamless integration
It provides features like data modeling, data preparation, and data visualization
Power BI can be ...
Skills evaluated in this interview
Piraamal finance jnlnm knkn
(2 Questions)
- Q1. What is sql? and where to use
- Ans.
SQL is a programming language used for managing and manipulating relational databases.
SQL stands for Structured Query Language
Used to retrieve, update, and manage data in relational databases
Commonly used in data analysis, data manipulation, and data reporting
Examples: SELECT * FROM table_name, INSERT INTO table_name VALUES (value1, value2)
- Q2. Power bi description and its imp
- Ans.
Power BI is a business analytics tool by Microsoft that provides interactive visualizations and business intelligence capabilities.
Power BI allows users to connect to a wide variety of data sources and create interactive reports and dashboards.
Users can easily share their insights with others and collaborate in real-time.
It offers features like data modeling, data preparation, and data visualization to help organizatio...
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Jun 2021. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. They tested my behavioral skills more than my technical knowledge
Interview Preparation Tips
I applied via Referral and was interviewed before Jun 2021. There were 2 interview rounds.
(1 Question)
- Q1. All related to previous work experiences
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I applied via Approached by Company and was interviewed in Mar 2024. There was 1 interview round.
(2 Questions)
- Q1. BI and excel presentation on sales related data: all the questions were asked from the presentation only.
- Q2. Why I am switching my job?
Interview Preparation Tips
- Power Bi
- Advanced Excel
- sales data
sachin k r
(1 Question)
- Q1. About the previous exp
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