Recent questions and answers in Unstructured Data Classification

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Which statistical technique deals with finding a structure in a collection of unlabeled data?

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

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Which pre processing technique is used to remove the most commonly used words?

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

+2 votes

Which of the given hyperparameters, when increased, may cause the random forest to overfit the data?

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

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What kind of classification is our case study "Spam Detection"?

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

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True Positive is when the predicted instance and the actual instance are not negative.

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

+2 votes

The higher value of which of the following hyperparameters is better for the decision tree algorithm?

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

+1 vote

Choose the correct sequence from the following in unstructured data classification.

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

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The most widely used package for machine learning in Python is _________

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

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What is the purpose of lemmatization?

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

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Clustering is supervised classification.

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

+2 votes

SVM is a _____________

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

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Email spam data is an example of __________

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

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In document classification, each document has to be converted from full text to a document vector.

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

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Which numerical statistics is used to identify the importance of a rare word in a document?

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

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Choose the correct sequence for classifier building from the following.

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

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Select the correct statement about Nonlinear classification.

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

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A technique used to depict the performance in a tabular form that has 2 dimensions namely actual and predicted sets of data is ___________

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

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Can we consider sentiment classification as a text classification problem

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

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Pruning is a technique associated with __________

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

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High classification accuracy always indicates a good classifier.

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

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The classification where each data is mapped to more than one class is called ___________

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

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Which NLP technique uses a lexical knowledge base to obtain the correct base form of the words?

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

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Identify the stop word(s) from the following.

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

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Inverse Document frequency is used in the term document matrix.

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

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An algorithm that counts how many times a word appears in a document is __________

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

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TF and IDF use matrix representations.

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

+1 vote

The following are pre processing methods used for unstructured data classification, except _________

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

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A classifier that can compute using numeric as well as categorical values is __________

answered Dec 31, 2021 in Unstructured Data Classification by rajeshsharma (23.1k points)

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