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Recent questions tagged data-science
1
1 vote
1
1 answer
798
798 views
Which scenarios among the following are a valid reason to use regularization?
A. To drop the least useful variables of a modelB. To reduce over-fittingC. To reduce the bias of a modelD. To decrease p-value
Gabriel777
280
points
2
2
5
asked
Oct 27, 2018
Data Science Interview Questions
statistics
data-science
programming
combination
+
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0
0 votes
1
1 answer
606
606 views
What are basic steps for treating missing values?
tofighi
116k
points
73
79
101
asked
Oct 18, 2018
Exploratory Data Analysis
data-science
missing-values
data-cleaning
python
tidy-data
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0
0 votes
1
1 answer
596
596 views
What are the general steps in data cleaning?
tofighi
116k
points
73
79
101
asked
Oct 18, 2018
General
tidy-data
data-cleaning
python
data-science
+
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2
2 votes
1
1 answer
908
908 views
What is k-means algorithm and how can we select K for it?
datascience
1.1k
points
9
11
19
asked
Oct 15, 2018
Machine Learning Interview Questions
k-means
data-science
clustering
machine-learning
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2
2 votes
0
0 answers
599
599 views
Explain the Recommender Systems and give an example?
datascience
1.1k
points
9
11
19
asked
Oct 15, 2018
Machine Learning Interview Questions
recommender-system
data-science
machine-learning
interview
+
–
1
1 vote
0
0 answers
456
456 views
What are the main steps in making a decision tree?
paper
160
points
1
2
2
asked
Oct 11, 2018
Data Science Interview Questions
data-science
decision-tree
interview
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–
1
1 vote
0
0 answers
920
920 views
Please explain Linear Regression with an example?
paper
160
points
1
2
2
asked
Oct 11, 2018
Data Science Interview Questions
data-science
linear-regression
interview
+
–
1
1 vote
0
0 answers
408
408 views
How to return the outliers by having a list of numbers ?
interview
1.4k
points
11
19
23
asked
Oct 8, 2018
Data Science Interview Questions
data-science
statistics
outlier
boxplot
percentile
+
–
1
1 vote
1
1 answer
1.6k
1.6k views
What are Natural Language Processing (NLP) and its applications?
interview
1.4k
points
11
19
23
asked
Oct 8, 2018
Data Science Interview Questions
data-science
machine-learning
nlp
+
–
1
1 vote
1
1 answer
2.1k
2.1k views
What is TF-IDF algorithm?
interview
1.4k
points
11
19
23
asked
Oct 8, 2018
Data Science Interview Questions
data-science
machine-learning
nlp
tf-idf
+
–
1
1 vote
0
0 answers
442
442 views
Can you explain the percentiles and quartiles and their applications?
interview
1.4k
points
11
19
23
asked
Oct 8, 2018
Data Science Interview Questions
data-science
statistics
percentile
quantile
+
–
2
2 votes
1
1 answer
737
737 views
Please provide information about Certificate in Data Science at School of Continuing Studies, University of Toronto
I really appreciate you providing some details about data science certificate at UofT SCS, and enrollment dates.
Shahram
240
points
3
3
4
asked
Oct 7, 2018
Programming
data-science
certificate-program
uoft
uoft-scs
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–
1
1 vote
1
1 answer
1.0k
1.0k views
Where can I find datasets for data science projects?
Could you please mention some webpages that I can find datasets for data science projects?
askdatascience
1.0k
points
12
13
16
asked
Sep 25, 2018
Data Science
data-science
datasets
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–
1
1 vote
1
answers
1 answer
1.1k
1.1k views
How to drop a course from University of Toronto School of Continuing studies?
I took a course, 3250 - Foundations of Data Science, from University of Toronto School of Continuing studies, but realized the course is highly technical and I was lookin...
SinaML
1.6k
points
3
6
9
asked
Sep 17, 2018
Certificates
data-science
certificate
uoft
uoft-scs
+
–
2
2 votes
1
1 answer
1.5k
1.5k views
What are the best resources for studying SQL?
I am wondering if anyone can suggest the best resources for studying SQL?
askdatascience
1.0k
points
12
13
16
asked
Aug 26, 2018
SQL
books
resources
data-science
sql
+
–
2
2 votes
1
answers
1 answer
1.5k
1.5k views
What are the best resources for studying R?
I am wondering if anyone can suggest the best resources for studying R?
askdatascience
1.0k
points
12
13
16
asked
Aug 26, 2018
R
books
resources
data-science
r
+
–
1
1 vote
1
1 answer
1.2k
1.2k views
What are the best resources for studying Python?
What are the best resources for studying Python?
askdatascience
1.0k
points
12
13
16
asked
Aug 26, 2018
Python
books
resources
data-science
python
+
–
1
1 vote
0
0 answers
958
958 views
What are the best resources for studying Data Science?
I am wondering if anyone can suggest the best resources for studying Data Science?
askdatascience
1.0k
points
12
13
16
asked
Aug 26, 2018
Data Science
resources
books
data-science
+
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