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Recent questions tagged Data-science
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Tag
Data-science
+2
votes
Q: Is it beneficial to perform dimensionality reduction before fitting an SVM? Why or why not?
asked
May 28, 2021
in
Data Science
by
sharadyadav1986
svm
data-science
svm-fitting
+2
votes
Q: What is a random forest? Why is it good?
asked
May 28, 2021
in
Data Science
by
sharadyadav1986
random-forest
data-science
data-random-forest
+2
votes
Q: What is a decision tree?
asked
May 28, 2021
in
Data Science
by
sharadyadav1986
decision-tree
data-science
data-decision-tree
+2
votes
Q: What is collinearity and what to do with it? How to remove multicollinearity?
asked
May 28, 2021
in
Data Science
by
sharadyadav1986
collinearity
multicollinearity
data-science
+2
votes
Q: What are the assumptions required for linear regression? What if some of these assumptions are violated?
asked
May 28, 2021
in
Data Science
by
sharadyadav1986
linear-regression
assumptions
data-science
+2
votes
Q: Why is mean square error a bad measure of model performance? What would you suggest instead?
asked
May 28, 2021
in
Data Science
by
sharadyadav1986
model-performance
data-science
square-error
+2
votes
Q: Do you think 50 small decision trees are better than a large one? Why?
asked
May 28, 2021
in
Data Science
by
sharadyadav1986
decision-tree
data-science
data-decision-tree
+2
votes
Q: Why is dimension reduction important?
asked
May 27, 2021
in
Data Science
by
sharadyadav1986
reduction
dimension-reduction
data-science
+2
votes
Q: When would you use random forests Vs SVM and why?
asked
May 27, 2021
in
Data Science
by
sharadyadav1986
random-forest
svm
data-science
+1
vote
Q: What does NLP stand for?
asked
May 27, 2021
in
Data Science
by
sharadyadav1986
nlp
data-science
data-nlp
+3
votes
Q: Explain what a false positive and a false negative are. Why is it important these from each other?
asked
May 27, 2021
in
Data Science
by
sharadyadav1986
data-science
false-negative
+1
vote
Q: What is cross-validation?
asked
May 27, 2021
in
Data Science
by
sharadyadav1986
cross-validation
data-science
data-validation
+1
vote
Q: What is a hash table?
asked
May 22, 2021
in
Data Analytics
by
rajeshsharma
hash-table
data-analytics
data-science
+1
vote
Q: what should be done with suspected or missing data?
asked
May 21, 2021
in
Data Analytics
by
SakshiSharma
data-analytics
missing-data
data-science
+1
vote
Q: What is required to become a data analyst?
asked
May 21, 2021
in
Data Analytics
by
SakshiSharma
data-analyst
data-science
data-scientist
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