NAOS Skin Care India Interview Questions and Answers

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
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Q2. What metrics you used to test the models deployed
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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...read more
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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
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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
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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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Q1. What is about MICC
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Q2. What is the work process
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Q3. What are the calls handled like MI, PQC, AE and their process
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Q4. What are the way of communication like mailing and calls
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Q5. What are the documentation process
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Q6. What are the active participation during audit
Ans. 
Active participation during audit includes preparing for the audit, attending audit meetings, providing requested information, and addressing any findings or concerns.
• Prepare for the audit by reviewing relevant documents and processes

• Attend audit meetings and actively participate by answering questions and providing explanations

• Provide requested information promptly and accurately

• Address any findings or concerns raised...read more
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Q7. What are the safety precautions are followed during documentation process
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Q8. What are precautions or improvisation can be taken to improve for data management
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Q9. What ways you get the feedback for each calls were handled
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Q10. What are the questions or suggestions from your side
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Q1. Job roles and responsibilities
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Q2. Expertise in which areas
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Q3. Previous job experience and achievements
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Q1. Previous experience and company's
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Q2. Back ground and family members details
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Q3. Exposure and cultural achievement of performing
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Q1. You are expectations
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Q2. Why you joining our organisation
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Q3. Why your leveling your company
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Q1. Self interest and other culture
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Q2. Work experience and work basis
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Q3. Manufacturing process and work
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Had gud group discussion

Q1. Why are u leaving ur present company
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Q2. Salary expectations
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Q3. Which product u r selling most and what is the sales figure
Ans. 
Our best-selling product is the XYZ model, with sales figures reaching $500,000 last quarter.
• XYZ model is our top-selling product

• Sales figures for XYZ model reached $500,000 last quarter
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Q1. Basic about work
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Q2. Family background
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Q3. Work experience in detail
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Q1. With owner, i feel they don't have any openings they just conducting interview for Africa- just to gather information about market, market trends, and what other laboratory are doing, they don't have any v...read more
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Q2. Nothing is good.
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Q1. Explain example of window function
Ans. 
Window functions are used to perform calculations across a set of table rows related to the current row.
• Window functions are used in SQL to perform calculations within a specific window or subset of rows.

• They allow you to perform aggregate functions like SUM, AVG, COUNT, etc. over a specific range of rows.

• Examples include ROW_NUMBER(), RANK(), DENSE_RANK(), and NTILE().
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Q2. A question using aggregate function and case when in sql
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