Natural Language Processing Engineer Question:

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Tell me what is the difference between artificial learning and machine learning?

Natural Language Processing Engineer Interview Question
Natural Language Processing Engineer Interview Question

Answer:

Designing and developing algorithms according to the behaviours based on empirical data are known as Machine Learning. While artificial intelligence in addition to machine learning, it also covers other aspects like knowledge representation, natural language processing, planning, robotics etc.

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While creating a machine learning model on text data, you created a document term matrix of the input data of 100K documents. Which of the following remedies can be used to reduce the dimensions of data –

Latent Dirichlet Allocation
Latent Semantic Indexing
Keyword Normalization
A) only 1
B) 2, 3
C) 1, 3
D) 1, 2, 3		Please explain what is PCA, KPCA and ICA used for?