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Indiafilings Data Scientist Interview Questions and Answers

Updated 29 Jun 2023

Indiafilings Data Scientist Interview Experiences

1 interview found

Interview experience
1
Bad
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Approached by Company and was interviewed in May 2023. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Technical 

(2 Questions)

  • Q1. What is the difference between sigmoid and softmax activation function?
  • Ans. 

    Sigmoid is used for binary classification while softmax is used for multi-class classification.

    • Sigmoid function outputs values between 0 and 1, suitable for binary classification tasks.

    • Softmax function outputs a probability distribution over multiple classes, summing up to 1.

    • Sigmoid is used in the output layer for binary classification, while softmax is used for multi-class classification.

    • Softmax is the generalization

  • Answered by AI
  • Q2. What is an activation function ?
  • Ans. 

    An activation function is a mathematical function that determines the output of a neural network.

    • Activation functions introduce non-linearity to the neural network, allowing it to learn complex patterns in the data.

    • Common activation functions include sigmoid, tanh, ReLU, and softmax.

    • The choice of activation function can impact the performance and training speed of the neural network.

  • Answered by AI
Round 3 - Coding Test 

Build an NLP model on their dataset

Interview Preparation Tips

Interview preparation tips for other job seekers - Pathetic experience. HR Recruiter will constantly call you every day (multiple times per day) to set up the interview almost to the point of harassment, but when the interview rounds are done, there is zero communication from the entire team.

Skills evaluated in this interview

Interview questions from similar companies

I applied via Recruitment Consulltant and was interviewed before Aug 2021. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Difference between CNN and MLP
  • Ans. 

    CNN is used for image recognition while MLP is used for general classification tasks.

    • CNN uses convolutional layers to extract features from images while MLP uses fully connected layers.

    • CNN is better suited for tasks that require spatial understanding like object detection while MLP is better for tabular data.

    • CNN has fewer parameters than MLP due to weight sharing in convolutional layers.

    • CNN can handle input of varying

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Brush up basic statistics . Also prepare atleast 2 , 3 ML algorithms for the interview.

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Many Mcq,s.Similar to cat exam

Round 2 - Case Study 

Ml case study . Eg loan default prediction

Interview experience
4
Good
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Jul 2023. There were 3 interview rounds.

Round 1 - Aptitude Test 

Medium General Aptitude questions and technical(Big Data, Python etc.)

Round 2 - Technical 

(1 Question)

  • Q1. ML Algorithms (SVM, Random forest, bagging boosting, ridge, etc)
Round 3 - Technical 

(1 Question)

  • Q1. Deep equations and understading of DL and ML Algorithms
  • Ans. 

    Understanding deep equations and algorithms in DL and ML is crucial for a data scientist.

    • Deep learning involves complex neural network architectures like CNNs and RNNs.

    • Machine learning algorithms include decision trees, SVM, k-means clustering, etc.

    • Understanding the math behind algorithms helps in optimizing model performance.

    • Equations like gradient descent, backpropagation, and loss functions are key concepts.

    • Practica...

  • Answered by AI

Skills evaluated in this interview

Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. How to extract numbers pre decimal point from a long list of decimalnumbers with efficiency
  • Ans. 

    Use string manipulation to efficiently extract numbers before the decimal point from a list of decimal numbers.

    • Split each decimal number by the decimal point and extract the number before it

    • Use regular expressions to match and extract numbers before the decimal point

    • Iterate through the list and extract numbers using string manipulation functions

  • Answered by AI

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Aug 2023. There were 2 interview rounds.

Round 1 - Coding Test 

Python test is taken

Round 2 - HR 

(1 Question)

  • Q1. Salary discussion

Interview Preparation Tips

Interview preparation tips for other job seekers - Good company with bad culture
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. What is cross validation ?
  • Ans. 

    Cross validation is a technique used to assess the performance of a predictive model by splitting the data into training and testing sets multiple times.

    • Cross validation helps to evaluate how well a model generalizes to new data.

    • It involves splitting the data into k subsets, training the model on k-1 subsets, and testing it on the remaining subset.

    • Common types of cross validation include k-fold cross validation and lea...

  • Answered by AI

Skills evaluated in this interview

I applied via Approached by Company and was interviewed before Sep 2021. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Technical 

(1 Question)

  • Q1. Projects and Data Science concepts
Round 3 - Technical 

(1 Question)

  • Q1. Python and coding skills

Interview Preparation Tips

Interview preparation tips for other job seekers - Be through with concepts - ML, stats, NLP
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Referral and was interviewed before May 2023. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Self Intro and projects discussion
  • Q2. Feature selection methods
  • Ans. 

    Feature selection methods help in selecting the most relevant features for building predictive models.

    • Feature selection methods aim to reduce the number of input variables to only those that are most relevant.

    • Common methods include filter methods, wrapper methods, and embedded methods.

    • Examples include Recursive Feature Elimination (RFE), Principal Component Analysis (PCA), and Lasso regression.

  • Answered by AI

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

(1 Question)

  • Q1. Central Limit Theorem
  • Ans. 

    Central Limit Theorem states that the sampling distribution of the sample mean approaches a normal distribution as the sample size increases.

    • The Central Limit Theorem is essential in statistics as it allows us to make inferences about a population based on a sample.

    • It states that regardless of the shape of the population distribution, the sampling distribution of the sample mean will be approximately normally distribut...

  • Answered by AI
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Indiafilings Interview FAQs

How many rounds are there in Indiafilings Data Scientist interview?
Indiafilings interview process usually has 3 rounds. The most common rounds in the Indiafilings interview process are Technical, Coding Test and Resume Shortlist.
What are the top questions asked in Indiafilings Data Scientist interview?

Some of the top questions asked at the Indiafilings Data Scientist interview -

  1. What is the difference between sigmoid and softmax activation functi...read more
  2. What is an activation functio...read more

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