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Er werd een Data Science Lead gevraagd...7 juli 2020

What does SQL stand for

3 antwoorden

Structured Query Language

Structured query language

Structured query language


How many distinct projects are there?

2 antwoorden

select count(*) from projects OR select distinct count(*) from projects Depends on your data structure and data health what is considered a "distinct" project. Minder

My guess is you are not white. I have several friends also had the same experiences with Dashlane because they are Chinese and Indian Minder


None really. All was expected

1 antwoorden

Check if you they didn't take advantage of you. I have a few friends who interviewed for them. And they use their interview process to get free consultation from a qualified person and never hire!! Minder

Advanced Drainage Systems

Will you be willing to fit a hybrid office environment?

1 antwoorden


Solar Mission

¿ How old are you?

1 antwoorden

Do not give a response to this. Is a discriminatory question.

Bharti Airtel

They have shared use case with data and wanted to understand how will you address it. What you can infer from data which helps business.

1 antwoorden

Shared analysis on sample data and showed how can we address such use cases.

Archangel Imaging

Detailed discussion of past projects in areas relevant to the current project the managers are working on.

1 antwoorden

I picked put several different projects from previous contracts that are most similar to 3 or 4 areas of the problems they are trying to solve and implement. I provided them with past research papers, technical publications, and sample code on Github for the managers to review. Minder


nothing as nobody knows anything over there

1 antwoorden

you can answer anything of any question


Implement k-means algorithm. Inputs: 1. List of n lists, of some general length d. Each represents a point in a d-dimensional space. 2. k: number of clusters No use of any ml-libraries of course.

1 antwoorden

you can find it online easily...


SQL: Lag and Lead function, Case When condition. Spark: Tell about a REAL WORLD problem not from the INTERNET But that you have faced while executing job on a spark cluster.

1 antwoorden

When I started answering about the question, the interviewer didn't bother to listen he said I want Platform agnostic answers or answers only based on open source spark. When I tried answering him he quickly changed his stance and jumped to HDI and EMR distributions and started talking about partitions and cores. The person had no clue what he wanted to ask only focused on his side. I am sure its a good company but the interviewer should be clear what he is looking for and what are his questions. Minder

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