Wolters Kluwer Data Scientist Interview Questions and Answers for Experienced

Q1. How can Logistic regression be applied for multiclasstext classification
Ans. 
Logistic regression can be applied for multiclasstext classification by using one-vs-rest or softmax approach.
• One-vs-rest approach: Train a binary logistic regression model for each class, treating it as the positive class and the rest as the negative class.

• Softmax approach: Use the softmax function to transform the output of the logistic regression into probabilities for each class.

• Evaluate the model using appropriate...read more
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Q1. How does fbpropher forecasting model works and how is can be used to forecsst trafffic
Ans. 
fbprophet is a forecasting model developed by Facebook that uses time series data to make predictions.
• fbprophet is an open-source forecasting tool developed by Facebook's Core Data Science team.

• It is based on an additive model where non-linear trends are fit with yearly, weekly, and daily seasonality, plus holiday effects.

• fbprophet can be used to forecast traffic by providing historical data on traffic patterns and usi...read more
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Q1. Basic DS question like how to handle missing features
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Q1. Case study based questions
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Basic self evaluation test.

Q1. What project I have completed and follow-up questions on that?
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Q2. How to handle class imbalance.
Ans. 
Handling class imbalance involves techniques like resampling, using different algorithms, and adjusting class weights.
• Use resampling techniques like oversampling or undersampling to balance the classes.

• Utilize algorithms that are robust to class imbalance, such as Random Forest, XGBoost, or SVM.

• Adjust class weights in the model to give more importance to minority class.

• Use evaluation metrics like F1 score, precision, r...read more
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Q3. Basic Python coding questions.
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Q1. Data-related questions.
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Q2. ML Ops questions.
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Q1. 1. Tell me about your self 2. How will you allocate resource and what are the steps, what should be consider before allocating resource ? 3. How will you resolve conflict
Ans. 
Answering interview questions about resource allocation and conflict resolution.
• When allocating resources, consider the project requirements, team capabilities, and available resources.

• Steps for resource allocation include identifying project needs, assessing resource availability, prioritizing tasks, and assigning resources accordingly.

• Before allocating resources, factors like budget, time constraints, and skill sets ...read more
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Q2. How will u allocate resources (Steps) what do we need to consider beforce allocation ?
Ans. 
Resource allocation requires careful planning and consideration of various factors.
• Identify the goals and objectives of the project

• Assess the available resources and their capabilities

• Prioritize the tasks and allocate resources accordingly

• Consider the timeline and deadlines

• Monitor and adjust the allocation as needed
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Q3. How will u deal with conflict in resource management
Ans. 
I will deal with conflict in resource management by promoting open communication, prioritizing tasks, and finding compromises.
• Encourage open communication to address conflicts and concerns

• Prioritize tasks based on urgency and importance

• Find compromises that satisfy all parties involved

• Delegate responsibilities effectively to avoid resource conflicts

• Use conflict resolution techniques such as negotiation and mediation

• Pro...read more
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