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Macquarie Group Data Scientist Interview Questions and Answers
Macquarie Group Data Scientist Interview Experiences
1 interview found
Anonymous
(1 Question)
- Q1. How to check model performance? Over fit vs underfit?
- Ans.
Model performance can be checked using various metrics such as accuracy, precision, recall, F1 score, and confusion matrix.
Split data into training and testing sets
Train the model on the training set
Evaluate the model on the testing set using metrics such as accuracy, precision, recall, F1 score, and confusion matrix
If the model performs well on the testing set, it is not overfit or underfit
If the model performs well o...
Python code for 45 mins. Pandas , group by , filtering questions
(1 Question)
- Q1. Mostly behavioral questions
Interview Preparation Tips
Skills evaluated in this interview
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I applied via Recruitment Consulltant and was interviewed before Aug 2021. There was 1 interview round.
(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
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Skills evaluated in this interview
Anukriti Jain
Find second max in list, cal moving avg of a df
I applied via Approached by Company and was interviewed before Sep 2021. There were 3 interview rounds.
(1 Question)
- Q1. Projects and Data Science concepts
(1 Question)
- Q1. Python and coding skills
Interview Preparation Tips
I applied via LinkedIn and was interviewed in Jul 2024. There were 3 interview rounds.
Assignment on credit risk
(1 Question)
- Q1. Hyperparameter tuning
(1 Question)
- Q1. Case study for problem solving
Python coding question and ML question
(1 Question)
- Q1. ML questions from resume + general
(1 Question)
- Q1. Techno managerial round
I applied via Company Website and was interviewed in Dec 2023. There was 1 interview round.
Strong DSA required to crack this Interview
I was asked Python, sql, coding questions
Case study on how would you identify the total number of footfall on a airport
Interview Questionnaire
3 Questions
- Q1. Mainly resume based. In detail from the project.
- Q2. Softmax vs sigmoid
- Ans.
Softmax and sigmoid are both activation functions used in neural networks.
Softmax is used for multi-class classification problems, while sigmoid is used for binary classification problems.
Softmax outputs a probability distribution over the classes, while sigmoid outputs a probability for a single class.
Softmax ensures that the sum of the probabilities of all classes is 1, while sigmoid does not.
Softmax is more sensitiv...
- Q3. Logistics regression (multiclass)
Interview Preparation Tips
Skills evaluated in this interview
I applied via Referral and was interviewed in Nov 2024. There were 2 interview rounds.
(4 Questions)
- Q1. Types of Chunking in data preparation in RAG
- Q2. How Embedding works in Vector Databases
- Q3. Explain ARIMA model
- Q4. How can we decide to choose Linear Regression for a business problem
(4 Questions)
- Q1. What is token and it's limit for Open Source LLMs
- Q2. Difference of a Regression and Time Series problem
- Q3. Advantage of LSTM over RNN
- Q4. Performance Metrics for Logistic Regression
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