Valere Labs Ai Ml Engineer Interview Questions and Answers

Discussion on Gradient, SGD, K Mean ++, Silhouette Score, How to Handle High Variation Data,
Coding asked to code KNN, Hyper-Parameter Tuning, Two Difficult Questions on Coding...DSA Based Stumped on Those.

Verdict... Not Selected

Simple Coding No Chat GPT Support Should Be There

Q1. Steps of pre-processing
Ans. 
Pre-processing steps involve cleaning, transforming, and preparing data for machine learning models.
• Data cleaning: removing missing values, duplicates, and outliers

• Data transformation: scaling, encoding categorical variables, and feature engineering

• Data normalization: ensuring all features have the same scale

• Data splitting: dividing data into training and testing sets
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Q2. What is lemmatization ?
Ans. 
Lemmatization is the process of reducing words to their base or root form.
• Lemmatization helps in standardizing words for analysis.

• It reduces inflected words to their base form.

• For example, 'running' becomes 'run' after lemmatization.
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Attended the codevita competition in final year of college.

Q1. About College Project
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Q2. Some very basics of java
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Q3. Experience of college project as a team
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Q1. If you cleared Aptitude and Coding, Mostly Interview will be cleared with some basics questions like OOPs concepts, sort functions kind of questions.
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Q2. Explain OOPs concept in JAVA?
Ans. 
OOPs concept in JAVA is a programming paradigm that focuses on objects and their interactions.
• OOPs stands for Object-Oriented Programming

• It involves the use of classes, objects, inheritance, polymorphism, and encapsulation

• Classes are used to define objects and their properties

• Objects are instances of classes that can interact with each other

• Inheritance allows for the creation of new classes based on existing ones

• Polymo...read more
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Q3. Function to sort an array in Java?
Ans. 
Java provides Arrays.sort() method to sort an array.
• Use Arrays.sort() method to sort an array of strings.

• The method sorts the elements in ascending order by default.

• To sort in descending order, use Collections.reverseOrder() method.
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Q4. Tell me about yourself?
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Q5. Final year project which you worked on?
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It was general aptitude with numerical,reasoning and general such questions with coding MCQ

Q1. Syntax and tech questions from c, python and oops. HR question was like what will I do if this happens in team. How will i face it or resolve it.
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Aptitude test was easy. Preparation was good for about a month.

Direct interview was average.

GD was easy round and topic is also easy one.

Q1. HR round was average and salary discussion was there in this round.
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It's totally based on Basic understanding of concepts such as Linear arrangement, circular arrangement، blood relation, direction sense, ratio proportion, time, speed, distance

Q1. It's based on OOPS Concepts,
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Q2. Strength and weaknesses
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Q3. About yourself, about educational background, why should we hire you
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