Natural Language Processing Engineer Question:

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Do you know what is Model Selection in Machine Learning?

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

Answer:

The process of selecting models among different mathematical models, which are used to describe the same data set is known as Model Selection. Model selection is applied to the fields of statistics, machine learning and data mining.

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Please explain what is PCA, KPCA and ICA used for?Which of the following models can be used for the purpose of document similarity?

A) Training a word 2 vector model on the corpus that learns context present in the document
B) Training a bag of words model that learns occurrence of words in the document
C) Creating a document-term matrix and using cosine similarity for each document
D) All of the above