Dentsu Aegis Network Data Scientist Interview Questions and Answers

Python and ML questions

Q1. Python ML SQL DA
Add your answer

Q1. DSA questions and python coding
Add your answer

Q1. Machine learning depth
Add your answer

Q1. Build a MMX Model for the dataset given and share the insights
Ans. 
Build a MMX Model for a given dataset and share insights
• Preprocess the data by handling missing values and encoding categorical variables

• Split the data into training and testing sets

• Build the MMX model using appropriate algorithms like decision trees or random forests

• Evaluate the model using metrics like accuracy, precision, recall, and F1 score

• Interpret the model results to gain insights and make data-driven decisions
Answered by AI
Add your answer
Q2. How to evaluate Time series analysis
Ans. 
Time series analysis can be evaluated by examining the accuracy of forecasts, the model's ability to capture trends and patterns, and the overall performance metrics.
• Evaluate forecast accuracy using metrics like Mean Absolute Error (MAE) or Root Mean Squared Error (RMSE)

• Assess the model's ability to capture trends and patterns by visualizing the data and comparing it to the model's predictions

• Analyze the overall perfor...read more
Answered by AI
Add your answer

Python and ML questions

Q1. Python ML SQL DA
Add your answer

Hacker Rank python coding test

Q1. Sql , python based questions
Add your answer

Q1. SQL questions, Python questions basic
Add your answer

Q1. Salary Discussion, negotiation mainly.
Add your answer