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I applied via Referral and was interviewed in Aug 2023. There were 2 interview rounds.
Evaluation metrics for classification ML model
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: harmonic mean of precision and recall
Confusion Matrix: provides a summary of correct and incorrect predictions
Precision and recall are used in evaluating the performance of classification models.
Precision is used when the goal is to minimize false positives.
Recall is used when the goal is to minimize false negatives.
Precision is calculated as TP / (TP + FP) where TP is true positives and FP is false positives.
Recall is calculated as TP / (TP + FN) where FN is false negatives.
In medical field, precision is important when identi...
Null values can be handled by either removing them, replacing them with a default value, or imputing them with a calculated value.
Remove null values from the dataset
Replace null values with a default value (e.g. 0 for numerical data, 'Unknown' for categorical data)
Impute null values with a calculated value (e.g. mean, median, mode)
Window functions and aggregate functions in SQL
Window functions perform calculations across a set of table rows related to the current row
Aggregate functions perform a calculation on a set of values and return a single value
Examples of window functions include ROW_NUMBER(), RANK(), and LAG()
Examples of aggregate functions include SUM(), AVG(), and COUNT()
I applied via campus placement at Indian Institute of Technology (IIT), Hyderabad and was interviewed in Dec 2022. There were 3 interview rounds.
General aptitude question and reasoning questions
I applied via LinkedIn and was interviewed before Jun 2020. There were 3 interview rounds.
Top trending discussions
posted on 4 Jul 2024
Aptitude test is based on logical questions and small programs
posted on 30 Aug 2024
I applied via Referral and was interviewed in Jul 2024. There was 1 interview round.
Digital marketing involves promoting products or services through online channels to reach a target audience.
Digital marketing includes strategies such as SEO, social media marketing, email marketing, and content marketing.
It focuses on creating engaging content, analyzing data to optimize campaigns, and reaching target audiences effectively.
Examples of digital marketing tools include Google Analytics, Facebook Ads Man...
I have created social media campaigns, managed email marketing, and analyzed website traffic.
Created and managed social media campaigns on platforms like Facebook, Instagram, and Twitter
Managed email marketing campaigns to engage with customers and drive sales
Analyzed website traffic using tools like Google Analytics to optimize marketing strategies
posted on 27 Feb 2024
I applied via Naukri.com and was interviewed in Jan 2024. There were 4 interview rounds.
Hardwork postive thinking
Coding round with 4 coding problem
Aptitude is very easy
Strong point - attention to detail, Weak point - public speaking
Strong point: Attention to detail - I excel at analyzing complex technical information and ensuring all details are accurate.
Weak point: Public speaking - I struggle with speaking confidently in front of large groups, but I am actively working on improving this skill.
There are 15 students and they give one topic and ask for healthy group discussion
I applied via Job Fair and was interviewed in Aug 2023. There were 3 interview rounds.
30min- Analytical questions
I applied via Referral and was interviewed in Aug 2023. There were 4 interview rounds.
2 Medium DSA problem based upon tree
Medium dsa problem based on graph
Design a parking management system
Consider the number of parking spaces and their availability
Implement a system to track and manage parking reservations
Include features like payment processing and ticketing
Design a user-friendly interface for customers and administrators
Ensure scalability and efficiency of the system
based on 3 interviews
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