LTIMindtree Data Scientist Interview Questions and Answers for Experienced

Java script, angular js, node questions

Q1. Asked about Company and why do you choose genpact?
Add your answer
Q2. Questions on my projects and college experience
Add your answer

Q1. Difference between supervised and unsupervised learning
Ans. 
Supervised learning uses labeled data to train a model, while unsupervised learning uses unlabeled data.
• Supervised learning requires a target variable for training the model.

• Examples of supervised learning include classification and regression.

• Unsupervised learning finds patterns and relationships in data without a target variable.

• Examples of unsupervised learning include clustering and dimensionality reduction.
Answered by AI
Add your answer
Q2. What is sigmoid function
Ans. 
Sigmoid function is a mathematical function that maps any real value to a value between 0 and 1.
• Used in machine learning for binary classification problems to produce probabilities

• Commonly used in logistic regression

• Has an S-shaped curve

• Equation: f(x) = 1 / (1 + e^(-x))
Answered by AI
Add your answer