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Structured Data Classification Interview Questions and Answers
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Questions
Structured Data Classification
+1
vote
Q: Ordinal variables have __________
answered
Jan 6, 2022
in
Structured Data Classification
by
sharadyadav1986
ordinal-variables
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Q: True Positive is when the predicted instance and the actual instance are positive.
answered
Jan 6, 2022
in
Structured Data Classification
by
sharadyadav1986
true-positive
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Q: Ensemble learning is used when you build component classifiers that are more accurate and independent of each other.
answered
Jan 6, 2022
in
Structured Data Classification
by
sharadyadav1986
ensemble-learning
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Q: What does the command iris['species'].value_counts() return?
answered
Jan 6, 2022
in
Structured Data Classification
by
sharadyadav1986
coloumn-value
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Q: Supervised learning differs from unsupervised learning as supervised learning requires __________
answered
Jan 6, 2022
in
Structured Data Classification
by
sharadyadav1986
supervised-learning
unsupervised-learning
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Q: To view the first 3 rows of the dataset, which of the following commands is used?
answered
Jan 6, 2022
in
Structured Data Classification
by
sharadyadav1986
iris-command
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Q: The cross-validation technique is used to evaluate a classifier by dividing the data set into a training set to train the classifier and a testing set to test the same.
answered
Jan 6, 2022
in
Structured Data Classification
by
sharadyadav1986
cross-validation-technique
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Q: Imputing is a strategy to handle ____________
answered
Jan 6, 2022
in
Structured Data Classification
by
sharadyadav1986
imputing-strategy
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Q: Let's assume you are solving a classification problem with a highly imbalanced class.
answered
Jan 6, 2022
in
Structured Data Classification
by
sharadyadav1986
taining-data
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Q: Select the pre-processing technique(s) from the following.
answered
Jan 6, 2022
in
Structured Data Classification
by
sharadyadav1986
pre-processing-techniques
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Q: Model Tuning helps to increase the accuracy.
answered
Jan 6, 2022
in
Structured Data Classification
by
sharadyadav1986
model-tuning
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Q: Choose the correct sequence for the classifier building from the following.
answered
Jan 6, 2022
in
Structured Data Classification
by
sharadyadav1986
classifier-building
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Q: Cross-validation causes over-fitting.
answered
Jan 6, 2022
in
Structured Data Classification
by
sharadyadav1986
cross-validation
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Q: The commonly used package for machine learning in Python is _________
answered
Jan 6, 2022
in
Structured Data Classification
by
sharadyadav1986
machine-learning
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Q: Choose the correct sequence from the following.
answered
Jan 6, 2022
in
Structured Data Classification
by
sharadyadav1986
classifier-output
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Q: How many classes will the following command return?
answered
Jan 6, 2022
in
Structured Data Classification
by
sharadyadav1986
command-output
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Q: Email spam detection is an example of ________
answered
Jan 6, 2022
in
Structured Data Classification
by
sharadyadav1986
email-spam-detection
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Q: Which preprocessing technique is used to make the data Gaussian with zero mean and unit variance?
answered
Jan 6, 2022
in
Structured Data Classification
by
sharadyadav1986
preprocessing-technique
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Q: The classification where each data is mapped to more than one class is called _________
answered
Jan 6, 2022
in
Structured Data Classification
by
sharadyadav1986
data-mapping
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Q: The fit(X, y) is used to _________
answered
Jan 6, 2022
in
Structured Data Classification
by
sharadyadav1986
data-range
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Q: Which classifier converges easily with less training data?
answered
Jan 5, 2022
in
Structured Data Classification
by
sharadyadav1986
training-data
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Q: Is there a class imbalance problem in the given data set?
answered
Jan 5, 2022
in
Structured Data Classification
by
sharadyadav1986
data-set-class
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Q: Identify the command used to view the dataset SIZE, and what is the value returned?
answered
Jan 5, 2022
in
Structured Data Classification
by
sharadyadav1986
dataset-size
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Q: Which type of cross-validation is used for an imbalanced dataset?
answered
Jan 5, 2022
in
Structured Data Classification
by
sharadyadav1986
imbalanced-dataset
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Q: Clustering is an example of ___________
answered
Jan 5, 2022
in
Structured Data Classification
by
sharadyadav1986
data-clustering
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Q: True Negative is when the predicted instance and the actual instance are positive.
answered
Jan 5, 2022
in
Structured Data Classification
by
sharadyadav1986
predicted-instance
true-negative-prediction
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Q: Identify the structured data from the following.
answered
Jan 5, 2022
in
Structured Data Classification
by
sharadyadav1986
stuctured-data
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Q: What kind of classification is our case study 'Churn Analysis'?
answered
Jan 5, 2022
in
Structured Data Classification
by
sharadyadav1986
churn-analysis
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Q: Which command is used to identify the unique values of a column?
answered
Jan 5, 2022
in
Structured Data Classification
by
sharadyadav1986
coloumn-identification
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Q: Images and documents are examples of _________
answered
Jan 5, 2022
in
Structured Data Classification
by
sharadyadav1986
structured-data-example
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