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Data Science Interview Questions and Answers
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Data Science
0
votes
Q: Which of the following assumptions do we make while deriving linear regression parameters?
asked
Dec 31, 2019
in
Data Science
by
sharadyadav1986
#regression-parameters
0
votes
Q: Which of the following indicates a fairly strong relationship between X and Y?
asked
Dec 31, 2019
in
Data Science
by
sharadyadav1986
#correlation-coefficient
0
votes
Q: Which of the one is true about Heteroskedasticity?
asked
Dec 31, 2019
in
Data Science
by
sharadyadav1986
#heteroskedasticity
0
votes
Q: Which one of the statement is true regarding residuals in regression analysis?
asked
Dec 31, 2019
in
Data Science
by
sharadyadav1986
#regression-analysis
+1
vote
Q: In a linear regression problem, we are using “R-squared” to measure goodness-of-fit.
asked
Dec 31, 2019
in
Data Science
by
sharadyadav1986
#linear-regression
+1
vote
Q: Let’s say, a “Linear regression” model perfectly fits the training data (train error is zero). Now, Which of the following statement is true?
asked
Dec 31, 2019
in
Data Science
by
sharadyadav1986
#linear-regression
0
votes
Q: Which of the following is/ are true about “Maximum Likelihood estimate (MLE)”?
asked
Dec 31, 2019
in
Data Science
by
sharadyadav1986
#mle
0
votes
Q: Suppose you have the following data with one real-value input variable & one real-value output variable.
asked
Dec 31, 2019
in
Data Science
by
sharadyadav1986
#cross-validation
0
votes
Q: Which of the following step / assumption in regression modeling impacts the trade-off between under-fitting and over-fitting the most.
asked
Dec 31, 2019
in
Data Science
by
sharadyadav1986
#regression-modeling
0
votes
Q: What is pruning in Decision Tree?
asked
Dec 27, 2019
in
Data Science
by
sharadyadav1986
#decision-tree-pruning
+1
vote
Q: What are Entropy and Information gain in Decision tree algorithm?
asked
Dec 27, 2019
in
Data Science
by
sharadyadav1986
#decision-tree-algo
+1
vote
Q: Explain Decision Tree algorithm in detail.
asked
Dec 27, 2019
in
Data Science
by
sharadyadav1986
#decision-tree
0
votes
Q: What are the different kernels in SVM?
asked
Dec 27, 2019
in
Data Science
by
sharadyadav1986
#svm-kernels
0
votes
Q: What are the support vectors in SVM?
asked
Dec 27, 2019
in
Data Science
by
sharadyadav1986
#support-vectors
0
votes
Q: Explain SVM algorithm in detail.
asked
Dec 27, 2019
in
Data Science
by
sharadyadav1986
#svm-algorithms
+1
vote
Q: What is ‘Naive’ in a Naive Bayes?
asked
Dec 27, 2019
in
Data Science
by
sharadyadav1986
#naive-bayes
0
votes
Q: What are the various classification algorithms?
asked
Dec 27, 2019
in
Data Science
by
sharadyadav1986
#classification-algorithms
0
votes
Q: What is Unsupervised learning?
asked
Dec 27, 2019
in
Data Science
by
sharadyadav1986
#unsupervised-learning
0
votes
Q: What is Supervised Learning?
asked
Dec 27, 2019
in
Data Science
by
sharadyadav1986
#supervised-learning
0
votes
Q: machine learning google
asked
Dec 27, 2019
in
Data Science
by
sharadyadav1986
#machine-learning-google
0
votes
Q: machine learning define
asked
Dec 27, 2019
in
Data Science
by
sharadyadav1986
#machine-learning-definition
0
votes
Q: machine learning by google
asked
Dec 27, 2019
in
Data Science
by
sharadyadav1986
#machine-learning-google
0
votes
Q: machine learning by andrew ng
asked
Dec 27, 2019
in
Data Science
by
sharadyadav1986
#machine-learning
0
votes
Q: machine learning andrew ng
asked
Dec 27, 2019
in
Data Science
by
sharadyadav1986
#machine-learning-andrew
0
votes
Q: machine learning projects
asked
Dec 27, 2019
in
Data Science
by
sharadyadav1986
#machine-learning-projects
0
votes
Q: machine learning definition
asked
Dec 27, 2019
in
Data Science
by
sharadyadav1986
#machine-learning-definition
0
votes
Q: machine learning vs deep learning
asked
Dec 27, 2019
in
Data Science
by
sharadyadav1986
#machine-vs-deep
0
votes
Q: machine learning coursera
asked
Dec 27, 2019
in
Data Science
by
sharadyadav1986
#machine-learning
0
votes
Q: Explain cross-validation
asked
Dec 27, 2019
in
Data Science
by
sharadyadav1986
#cross-validation
0
votes
Q: Can you explain the difference between a Validation Set and a Test Set?
asked
Dec 27, 2019
in
Data Science
by
sharadyadav1986
#validation-set
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