Dell
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I appeared for an interview before Oct 2019.
PCA is a dimensionality reduction technique, decision tree is a classification algorithm, and computer vision is a field of study focused on enabling computers to interpret and understand visual information.
PCA is used to reduce the number of variables in a dataset while retaining the most important information.
Decision trees are used to classify data based on a set of rules and conditions.
Computer vision involves usin...
I applied via Recruitment Consulltant and was interviewed before Sep 2023. There were 3 interview rounds.
K-Means is a clustering algorithm that partitions data into K clusters based on similarity.
Divides data points into K clusters based on distance from centroid
Iteratively updates centroids to minimize within-cluster variance
Requires specifying number of clusters K beforehand
Example: Grouping customers based on purchasing behavior
Selecting the appropriate learning algorithm involves considering the problem's characteristics and requirements.
Understand the problem's nature, such as classification, regression, clustering, etc.
Consider the size of the dataset and the computational resources available.
Evaluate the complexity of the relationships within the data.
Experiment with different algorithms and compare their performance using metrics like ac...
I applied via LinkedIn and was interviewed before Mar 2023. There were 2 interview rounds.
posted on 6 May 2024
I applied via Recruitment Consulltant and was interviewed in Apr 2024. There was 1 interview round.
I applied via Company Website and was interviewed in Jun 2023. There were 2 interview rounds.
I was asked to solve various problems (your typical algorithm and data structure subjects), as well as explain the various projects I worked on in my most recent position.
Divide candidates in a group of around 15 people, and put you through different activities such as role play exercises to measure your communication and team working skills.
I expect challenging projects, opportunities for growth, collaborative team environment, and work-life balance.
Challenging projects that allow me to apply my data science skills and learn new techniques
Opportunities for growth and advancement within the company
Collaborative team environment where I can share ideas and work together towards common goals
Work-life balance to ensure I can perform at my best both profession
Topic was joining and calculating
I applied via Company Website and was interviewed before Apr 2021. There were 3 interview rounds.
posted on 13 Jun 2024
I applied via Company Website and was interviewed in May 2024. There was 1 interview round.
based on 4 reviews
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