First time here? Checkout the
FAQ
!
x
Login
Remember
Register
Ask Data Science!
About
All Activity
Q&A
Questions
Hot!
Unanswered
Tags
Categories
Users
Ask a Question
Ask a Question
Mention some common problems that data analysts encounter during analysis.
+1
vote
821
views
asked
Oct 28, 2018
in
Data Science Interview Questions
by
rozhan
(
710
points)
data-analysis
Tweet
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
+1
vote
answered
Oct 28, 2018
by
rozhan
(
710
points)
Having a poor formatted data file. For instance, having CSV data with un-escaped newlines and commas in columns.
Having inconsistent and incomplete data can be frustrating.
Common Misspelling and Duplicate entries are a common data quality problem that most of the data analysts face.
Having different value representations and misclassified data.
Please
log in
or
register
to add a comment.
Related questions
+1
vote
1
answer
487
views
Explain the typical data analysis process.
asked
Oct 28, 2018
in
Data Science Interview Questions
by
rozhan
(
710
points)
data-science
data-analysis
+1
vote
1
answer
389
views
What is the difference between Data Mining and Data Analysis?
asked
Oct 28, 2018
in
Data Science Interview Questions
by
rozhan
(
710
points)
data-science
data-mining
data-analysis
+1
vote
0
answers
236
views
How to analyse imbalanced categorical colum in dataset
asked
Jun 24, 2023
in
Data Science
by
Hagar
(
130
points)
data-science
imbalanced-data
data-analysis
data-cleaning
+1
vote
1
answer
470
views
When dealing with categorical values, should the 'year' column be encoded using OHE or OrdinalEncoder?
asked
Dec 18, 2021
in
Machine Learning
by
Anas
(
150
points)
machine-learning
data-science
predict
onehotencoder
data-analysis
ordinal-encoder
0
votes
0
answers
133
views
How do I know which encoder to use to convert from categorical variables to numerical?
asked
Nov 28, 2021
in
Exploratory Data Analysis
by
Anas
(
150
points)
machine-learning
test-set
data
predict
onehotencoder
pandas
dataframe
data-science
data-analysis
data-cleaning
Categories
All categories
Programming
(38)
Data Science
(130)
Machine Learning
(77)
Deep Learning
(9)
Artificial Intelligence
(3)
Web Development
(8)
Mobile Development
(0)
Cloud Computing
(10)
Human Computer Interaction
(92)
Python Interview Questions
(18)
Data Science Interview Questions
(19)
Machine Learning Interview Questions
(17)
Deep Learning Interview Questions
(2)
423
questions
363
answers
99
comments
552
users
...
