I applied through a staffing agency. The process took 1 week. I interviewed at Fractal (Mumbai) in May 2017
Interview
Coding test based on R/Python followed by 2 technical/strategic interviews & one HR interview
Guidelines -
Get used to the coding test platform by solving the sample test
Don't put any statistical techniques on your resume if you don't have in-depth knowledge about that topic
Say "Don't know" in case if you are not able to answer any question because you might end up worsening the situation by attempting it wrongly
Interview questions [4]
Question 1
What are Consequences of Heteroscedasticity in Linear Regression?
What are Consequences of Auto-correlation in Linear Regression?
What the input arguments for building ARIMAX model?
How to get order of Auto Regression while building Time Series Model?
What's the difference/relation between Covariance & Correlation?
Why do we normalize data before performing K-means clustering?
Why do we remove outliers before performing K-means clustering? How does it affect number of K-means cluster?
Given an equation of logistic regression, How will you calculate probability of event happening/not-happening?
What's the range of odd's ratio in logistic regression?
What's the range of log of odd's ratio in logistic regression?
What are the different ways to check the performance of logistic regression?
What are concordance & discordance pairs in logistic regression?
I applied online. The process took 4 weeks. I interviewed at Fractal (Bengaluru)
Interview
3 level interview. 2 technical rounds & 1 fitment round. They don't just test your technical skills, but rather your competency & way of thinking & handling projects. One of the best interviews i have ever faced.
Interview questions [1]
Question 1
You have potential client & they wanna develop something new. Where do you start your analysis
The interview process had three rounds: HR, Online assessment, technical, and senior management. It was completed over a period of more than one month, involving detailed evaluations at each stage.
Interview questions [1]
Question 1
Questions on tableau parameters, filters,context filters
I applied online. The process took 1 week. I interviewed at Fractal
Interview
It was the most unique interview for me to date! There were 3 rounds for this role:- 1. Technical Interview 2. Case study round 3.HR round
After clearing all the rounds, and submitting the documents, I was told the role went on hold just a day after completing the process.
God knows what the real reason was, but disappointing experience.
Interview questions [1]
Question 1
1. Describe the current visualization project you are working on .
2. A couple of basic questions on SQL followed by solving a problem statement.
