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Top 100+ questions in Unstructured Data Classification
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Questions
Unstructured Data Classification
+1
vote
Q: Which statistical technique deals with finding a structure in a collection of unlabeled data?
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
statistical-technique
+1
vote
Q: Which pre processing technique is used to remove the most commonly used words?
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
processing-technique
+2
votes
Q: Which of the given hyperparameters, when increased, may cause the random forest to overfit the data?
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
random-forest
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vote
Q: What kind of classification is our case study "Spam Detection"?
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
spam-detection
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vote
Q: True Positive is when the predicted instance and the actual instance are not negative.
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
true-positive
+2
votes
Q: The higher value of which of the following hyperparameters is better for the decision tree algorithm?
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
hyperparameters
tree-algorithm
+1
vote
Q: Choose the correct sequence from the following in unstructured data classification.
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
unstructured-data-classification
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vote
Q: The most widely used package for machine learning in Python is _________
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
python-package
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vote
Q: What is the purpose of lemmatization?
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
lemmatization
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vote
Q: Clustering is supervised classification.
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
clustering
supervised-classification
+2
votes
Q: SVM is a _____________
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
svm
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vote
Q: Email spam data is an example of __________
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
spam-data
+1
vote
Q: In document classification, each document has to be converted from full text to a document vector.
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
document-classification
+1
vote
Q: Which numerical statistics is used to identify the importance of a rare word in a document?
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
numerical-statistics
+1
vote
Q: Choose the correct sequence for classifier building from the following.
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
classifier-building
+1
vote
Q: Select the correct statement about Nonlinear classification.
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
nonlinear-classification
+1
vote
Q: A technique used to depict the performance in a tabular form that has 2 dimensions namely actual and predicted sets of data is ___________
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
tabular-performance
data-sets
+1
vote
Q: Can we consider sentiment classification as a text classification problem
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
text-classification
+1
vote
Q: Pruning is a technique associated with __________
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
pruning-technique
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vote
Q: High classification accuracy always indicates a good classifier.
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
high-classification
+1
vote
Q: The classification where each data is mapped to more than one class is called ___________
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
data-classification
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vote
Q: Which NLP technique uses a lexical knowledge base to obtain the correct base form of the words?
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
nlp-technique
+1
vote
Q: Identify the stop word(s) from the following.
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
stop-words
+1
vote
Q: Inverse Document frequency is used in the term document matrix.
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
inverse-document-frequency
+1
vote
Q: An algorithm that counts how many times a word appears in a document is __________
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
counting-algorithm
+1
vote
Q: TF and IDF use matrix representations.
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
tf-matrix
idf-matrix
+1
vote
Q: The following are pre processing methods used for unstructured data classification, except _________
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
processing-methods
+1
vote
Q: A classifier that can compute using numeric as well as categorical values is __________
asked
Dec 31, 2021
in
Unstructured Data Classification
by
rajeshsharma
data-classifier
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