Login
Remember
Register
Ask a Question
Recent questions in Data Science
+1
vote
1
answer
What is a kernel? Explain the kernel trick
asked
May 28, 2021
in
Data Science
by
sharadyadav1986
kernel
kernel-trick
data-kernel
+2
votes
1
answer
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
1
answer
What is a decision tree?
asked
May 28, 2021
in
Data Science
by
sharadyadav1986
decision-tree
data-science
data-decision-tree
+2
votes
1
answer
How to check if the regression model fits the data well?
asked
May 28, 2021
in
Data Science
by
sharadyadav1986
regression-model
data-well
model
data-model
+2
votes
1
answer
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
1
answer
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
1
answer
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
1
answer
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
+1
vote
1
answer
What are the drawbacks of a linear model?
asked
May 28, 2021
in
Data Science
by
sharadyadav1986
linear-model
linear-model-drawbacks
disadvantages-linear-model
+2
votes
1
answer
Why is Naive Bayes so bad? How would you improve a spam detection algorithm that uses naive Bayes?
asked
May 28, 2021
in
Data Science
by
sharadyadav1986
naive-bayes
algorithm
data-science-algorithm
+1
vote
1
answer
What is principal component analysis? Explain the sort of problems you would use PCA for.
asked
May 28, 2021
in
Data Science
by
sharadyadav1986
component-analysis
principal-component
+2
votes
2
answers
Why is dimension reduction important?
asked
May 27, 2021
in
Data Science
by
sharadyadav1986
reduction
dimension-reduction
data-science
+2
votes
1
answer
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
1
answer
What does NLP stand for?
asked
May 27, 2021
in
Data Science
by
sharadyadav1986
nlp
data-science
data-nlp
+1
vote
1
answer
Assume you need to generate a predictive model using multiple regression. Explain how you intend to validate this model
asked
May 27, 2021
in
Data Science
by
sharadyadav1986
predictive-model
regression
+1
vote
2
answers
What is the difference between supervised learning and unsupervised learning? Give concrete examples
asked
May 27, 2021
in
Data Science
by
sharadyadav1986
supervised-learning
unsupervised-learning
+3
votes
1
answer
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
1
answer
Explain what precision and recall are
asked
May 27, 2021
in
Data Science
by
sharadyadav1986
precision
recall
+1
vote
1
answer
How to define/select metrics?
asked
May 27, 2021
in
Data Science
by
sharadyadav1986
define-metrics
select-metrics
data-metrics
+1
vote
1
answer
What is cross-validation?
asked
May 27, 2021
in
Data Science
by
sharadyadav1986
cross-validation
data-science
data-validation
+1
vote
1
answer
What is Neural Network Fundamentals
asked
May 27, 2021
in
Data Science
by
sharadyadav1986
neural-network-fundamentals
network
neural-network
+1
vote
1
answer
Describe different regularization methods, such as L1 and L2 regularization?
asked
May 27, 2021
in
Data Science
by
sharadyadav1986
l1-regularization
l2-regularization
regularization-methods
+1
vote
1
answer
What is the difference between a box plot and a histogram?
asked
May 27, 2021
in
Data Science
by
sharadyadav1986
box-plot-vs-histogram
histogram
box-plot
+1
vote
1
answer
How to deal with unbalanced binary classification?
asked
May 27, 2021
in
Data Science
by
sharadyadav1986
unbalanced-binary-classification
binary-classification
+1
vote
1
answer
What are some of the steps for data wrangling and data cleaning before applying machine learning algorithms?
asked
May 27, 2021
in
Data Science
by
sharadyadav1986
data-wangling
machine-learning-algoithm
0
votes
1
answer
Explain what is Teardata?
asked
Mar 4, 2021
in
Data Science
by
SakshiSharma
#teradata
tera-data
0
votes
1
answer
Explain Functioning of BTEQ utility in Teradata?
asked
Mar 4, 2021
in
Data Science
by
SakshiSharma
#btew-utility
teradata
0
votes
1
answer
Which option is used to remove a single stash entry from a list of stash entries?
asked
Mar 4, 2021
in
Data Science
by
SakshiSharma
single-stash
stash-entry
stash
0
votes
1
answer
What is the best tools that are useful for Data Analysis?
asked
Jan 7, 2021
in
Data Science
by
SakshiSharma
#data-analysis-tools
0
votes
1
answer
What are the most common problem seen by Data Analyst
asked
Jan 7, 2021
in
Data Science
by
SakshiSharma
#data-analyst
Page:
« prev
1
2
3
4
5
6
7
8
9
...
14
next »
Recent questions in Data Science
...
