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iQGateway Associate Data Scientist Interview Questions and Answers
iQGateway Associate Data Scientist Interview Experiences
1 interview found
Anonymous
I applied via Internshala and was interviewed in Jul 2024. There were 2 interview rounds.
Emotion Intensity was the assignment project
(2 Questions)
- Q1. What are pearson and spearman coefficients? When to choose which?
- Ans.
Pearson and Spearman coefficients are measures of correlation between two variables, with Pearson being for linear relationships and Spearman for monotonic relationships.
Pearson coefficient measures the linear relationship between two variables, while Spearman coefficient measures the monotonic relationship.
Pearson coefficient ranges from -1 to 1, with 1 indicating a perfect positive linear relationship, 0 indicating n...
- Q2. Explain multi-collinearity mathematically and how it impacts the equation: y=mx+c?
- Ans.
Multi-collinearity occurs when independent variables in a regression model are highly correlated with each other.
Multi-collinearity is a phenomenon where two or more independent variables in a regression model are highly correlated.
It can impact the equation y=mx+c by making the estimates of the coefficients m and c less reliable.
Multi-collinearity can lead to inflated standard errors, making it difficult to determine ...
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I applied via LinkedIn and was interviewed in Feb 2021. There were 5 interview rounds.
Interview Questionnaire
1 Question
- Q1. Basic questions to start with. then as rounds proceeds you can see the questions being more application oriented.
Interview Preparation Tips
They give enough time and keep you comfortable. All you have to do is solve it meticulously and they are more in to the approach than the solutions.
All the best.
Coding test in any language
Any topics for the GD
(4 Questions)
- Q1. Experience about the java script
- Q2. My work experience about the java scirpt
- Q3. Palindrome in any code language
- Ans.
A palindrome is a word, phrase, number, or other sequence of characters that reads the same forward and backward.
Check if the input string is equal to its reverse
Ignore spaces and punctuation when checking for palindromes
Convert the input string to lowercase for case-insensitive comparison
- Q4. Other general maths programming questions
Skills evaluated in this interview
I applied via Campus Placement and was interviewed in Jun 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Peak element in array
- Ans.
A peak element in an array is an element that is greater than or equal to its neighbors.
Iterate through the array and check if the current element is greater than its neighbors.
If the element at index i is greater than or equal to elements at indices i-1 and i+1, it is a peak element.
Example: ['1', '3', '2', '4', '1'] has peak elements at index 1 and 3.
- Q2. 2 dimentional array rotate 90 degree
- Ans.
Rotate a 2D array by 90 degrees clockwise
Transpose the array
Reverse each row of the transposed array
Pollitices current generation
Skills evaluated in this interview
I applied via Campus Placement and was interviewed in Sep 2023. There were 4 interview rounds.
1st round we had 3 coding question that has to be written(Easy,Medium,Hard)
We had Gd with self intro
(2 Questions)
- Q1. Tell me about Yourself
- Q2. He gave me a coding question
I applied via Recruitment Consulltant and was interviewed before May 2023. There were 2 interview rounds.
DSA coding easy ,time complexity,space complexity
(2 Questions)
- Q1. Tiktactoo logic,SQL,
- Q2. Tell about yourself
Written Coding Test - Arrays, Matrix in any language
GD is Group Discussion only shortlisted students will attend GD Round
(2 Questions)
- Q1. I've not attended
- Q2. Then there will be a HR Round
I applied via Campus Placement and was interviewed before Aug 2022. There were 3 interview rounds.
Before Aptitude Test, There was a telephonic interview round in which they test your communication and ask questions about your education and projects. You just have to show your confidence to pass this round. After that, the aptitude test was quite easy. There are 15 questions all are doable in just 15 to 20 minutes of time span.
After that, The coding round takes place in which they provide you with a device with an online compiler of your preferred programming language and ask you to solve 4 questions without using any built-in function. The questions are based on Linked Lists, Stacks, Arrays, etc. You have to do it all manually. This round lasts up to 1 hour.
(1 Question)
- Q1. The technical round takes place in which they ask different questions from your coding round, a few concept-based ones, and also a few questions to test your thinking and problem-solving abilities like the...
Interview Preparation Tips
I applied via Job Portal
Easy aptitude test containing mathematics and logical questions
4 leetcode easy to medium level
(1 Question)
- Q1. Questions on project and tech stack.
(1 Question)
- Q1. Find the second most occurrence if string in JavaScript
- Ans.
Find the second most occurrence of a string in an array of strings in JavaScript.
Create a map to store the count of each string in the array
Sort the map by values in descending order to find the most occurrence
Return the key of the second element in the sorted map
Skills evaluated in this interview
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iQGateway Associate Data Scientist Interview Process
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