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Recent questions without an upvoted answer
1
1 vote
1
1 answer
1.1k
1.1k views
Great Video for K-means and PCA
PCAhttps://www.youtube.com/watch?v=FgakZw6K1QQK-Meanshttps://www.youtube.com/watch?v=4b5d3muPQmA&index=10&list=PLblh5JKOoLUICTaGLRoHQDuF_7q2GfuJF&t=0s
DavidS
200
points
2
2
4
asked
Oct 17, 2018
Machine Learning
k-means
machine-learning
pca
unsupervised-learning
+
–
1
1 vote
0
0 answers
479
479 views
My own transformation for dropping feature doesn't work
I made my own transformation to drop some of the features not required in the dataframe but I can't seem to get it working. Thoughts ?https://repl.it/@Neo_sauga/HarmfulNe...
Neo
660
points
10
12
17
asked
Oct 16, 2018
Python
python
programming
+
–
2
2 votes
1
1 answer
688
688 views
How to perform sentiment analysis in NLP?
If trying to read text and need to finalize texts as good, bad , ugly or any such buckets, where to start? What sentiment functions to use?
codemonkey
140
points
1
1
4
asked
Oct 16, 2018
Machine Learning
nlp
sentiment-analysis
nltk
+
–
1
1 vote
1
1 answer
802
802 views
What is information architecture?
What is information architecture?
mirza2
370
points
5
5
8
asked
Oct 16, 2018
Human Computer Interaction
hci
+
–
0
0 votes
1
1 answer
878
878 views
why is QWERTY layout chosen as optimal layout as suppose to alphabetic and dvorak layouts?
Why is QWERTY layout chosen as optimal layout as suppose to alphabetic and dvorak layouts?
mirza2
370
points
5
5
8
asked
Oct 16, 2018
Human Computer Interaction
hci
+
–
0
0 votes
1
1 answer
866
866 views
What three individual differences must a designer be aware of? Give an example of each.
What three individual differences must a designer be aware of?Give an example of each.
mirza2
370
points
5
5
8
asked
Oct 16, 2018
Human Computer Interaction
hci
+
–
0
0 votes
1
1 answer
4.7k
4.7k views
What are the two stages of vision?
What are the two stages of vision?
mirza2
370
points
5
5
8
asked
Oct 16, 2018
Human Computer Interaction
hci
+
–
0
0 votes
1
1 answer
2.8k
2.8k views
Why does human and computer interaction have to do anything with psychology and anthropology?
mirza2
370
points
5
5
8
asked
Oct 16, 2018
Human Computer Interaction
hci
+
–
2
2 votes
1
1 answer
1.1k
1.1k views
What is k-means algorithm and how can we select K for it?
datascience
1.1k
points
10
11
19
asked
Oct 15, 2018
Machine Learning Interview Questions
k-means
data-science
clustering
machine-learning
+
–
2
2 votes
0
0 answers
684
684 views
Explain the Recommender Systems and give an example?
datascience
1.1k
points
10
11
19
asked
Oct 15, 2018
Machine Learning Interview Questions
recommender-system
data-science
machine-learning
interview
+
–
2
2 votes
1
1 answer
1.8k
1.8k views
What are the main branches of Deep Learning algorithms?
interview
1.4k
points
13
19
23
asked
Oct 14, 2018
Deep Learning Interview Questions
deep-learning
interview
+
–
0
0 votes
1
answers
1 answer
643
643 views
In the context of probability, what is the "event space"
brendan_V
630
points
6
7
9
asked
Oct 13, 2018
Statistics
statistics
probability
+
–
0
0 votes
1
answers
1 answer
5.3k
5.3k views
What is the "Three-Standard-Deviations Rule"
This rule is also known as the "68–95–99.7 rule". What does this rule stand for and how does it help me?
brendan_V
630
points
6
7
9
asked
Oct 13, 2018
Statistics
statistics
+
–
0
0 votes
1
answers
1 answer
606
606 views
How do histograms help us understand a data set?
brendan_V
630
points
6
7
9
asked
Oct 13, 2018
Statistics
statistics
histograms
+
–
0
0 votes
1
answers
1 answer
875
875 views
What is the difference between permutation and combination?
Mike Banks
600
points
6
6
8
asked
Oct 12, 2018
general
statistics
combination
permutation
+
–
0
0 votes
1
answers
1 answer
923
923 views
What is the difference between Qualitative and Quantitative data?
Mike Banks
600
points
6
6
8
asked
Oct 12, 2018
general
statistics
+
–
1
1 vote
0
0 answers
793
793 views
What is the probability of getting a King of Hearts?
What is the probability of picking a King of Hearts in a standard 52 card deck?
Ahmed Merah
270
points
3
4
7
asked
Oct 12, 2018
general
statistics
probability
+
–
2
2 votes
0
0 answers
424
424 views
What is "Random Sampling"?
Define random sampling
Ahmed Merah
270
points
3
4
7
asked
Oct 12, 2018
general
statistics
+
–
2
2 votes
1
1 answer
1.3k
1.3k views
When should we use permutation and combination?
Deep Patel
700
points
8
8
11
asked
Oct 12, 2018
general
statistics
combination
permutation
+
–
1
1 vote
1
1 answer
886
886 views
Calculate IQR(Inter Quartile Range) of {18, 24, 19, 16, 21}?
Deep Patel
700
points
8
8
11
asked
Oct 12, 2018
general
statistics
quantile
iqr
+
–
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