Machine Learning

What is machine learning

• Machine learning is the science of getting computers to act without being

  explicitly programmed

• Machine Learning is a Form of AI that Enables a System to Learn from

  Data

• Both A and B

• None of the above

Machine Learning is an application of

• Block Chain

• Artificial Intelligence

• Image processing

• Networking

Application of Machine learning is

• email filtering

• .sentimental analysis

• face recognition

• All of the above

Which of the following is a widely used and effective machine learning algorithm based on the idea of bagging

• Decision Tree

• Regression

• Classification

• Random Forest

Which of the following is a disadvantage of decision trees

• Factor analysis

• Decision trees are robust to outliers

• Decision trees are prone to be overfit

• None of the above

How do you handle missing or corrupted data in a dataset?

• Drop missing rows or columns

• Replace missing values with mean/median/mode

• Assign a unique category to missing values

• All of the above

Which of the following techniques can not be used for normalization in text mining?

• Stemming

• Lemmatization

• Stop Word Removal

• None of the above

which of the following is the best learning method

• scalable

• Accuracy

• Fast

• All of the above

The output of training process in machine learning is

• machine learning model

• machine learning algorithm

• null

• accuracy

Application of machine learning for large databases is called

• Data Mining

• artificial Intelligence

• Big data Computing

• Internet of Things