Seach the website
Login
Register
Dark Mode
Brightness
Ambient Glow – Questions list
Register
Profile
Edit Profile
Messages
My favorites
My Updates
Logout
Courses
Feedback
Recent questions in Data Science
1
1 vote
1
1 answer
1.1k
1.1k views
What is P-value in Statistical Testing?
What is P-value in Statistical testing?
mobeenraza
900
points
8
8
11
asked
Nov 12, 2018
Statistics
statistics
+
–
1
1 vote
1
1 answer
587
587 views
What is a sampling distribution of sample means?
What is a sampling distribution of sample means?
mobeenraza
900
points
8
8
11
asked
Nov 12, 2018
Statistics
statistics
+
–
1
1 vote
1
1 answer
878
878 views
In the first week of November 2003.... What is the expected number of homicides per week in the GTA?
This is from question one from lecture 4B's exercises: "In the first week of November 2003, five unrelated homicides were reported in the GTA. The GTA usually has about 7...
KenTheStatsMan
430
points
5
5
7
asked
Nov 2, 2018
general
statistics
expected-value
random-variable
+
–
1
1 vote
1
1 answer
3.2k
3.2k views
In statistics, whats the difference between contingency and frequency tables?
askds
500
points
6
6
9
asked
Oct 30, 2018
general
statistics
+
–
0
0 votes
1
1 answer
588
588 views
How do you copy a list without updating the original list?
askds
500
points
6
6
9
asked
Oct 30, 2018
General
list
reverse
+
–
0
0 votes
1
1 answer
826
826 views
What is unsupervised learning?
wxeshetu
400
points
5
5
8
asked
Oct 29, 2018
Data Science
unsupervised-learning
+
–
1
1 vote
1
1 answer
1.0k
1.0k views
How to discover outliers of a data frame?
rozhan
710
points
5
5
9
asked
Oct 28, 2018
Statistics
outliers
outlier
boxplot
percentile
python
+
–
0
0 votes
1
1 answer
722
722 views
What are basic steps for treating missing values?
tofighi
116k
points
74
79
101
asked
Oct 18, 2018
Exploratory Data Analysis
data-science
missing-values
data-cleaning
python
tidy-data
+
–
0
0 votes
1
1 answer
744
744 views
What are the general steps in data cleaning?
tofighi
116k
points
74
79
101
asked
Oct 18, 2018
General
tidy-data
data-cleaning
python
data-science
+
–
1
1 vote
1
1 answer
682
682 views
How do you tell a permutation problem from a combination problem?
Given the questions:1. How many different groups of 4 students can be made from a class of 40?and2. How many different lists of 4 students can be made from a class of 40?...
lopezkev
160
points
2
3
5
asked
Oct 15, 2018
general
statistics
combination
permutation
+
–
4
4 votes
1
1 answer
1.4k
1.4k views
Logstash takes more than 48 hours to ingest 10 GB CSV file. Is there a way to expedite?
I have a 10 GB CSV file and it takes more than 48 hours for logstash installed on my laptop to ingest the whole data. Is there a way to accelerate this process?
askdatascience
1.0k
points
12
13
16
asked
Oct 14, 2018
Big Data Tools
big-data
logstash
optimiaztion
+
–
2
2 votes
1
answers
1 answer
685
685 views
What is the use of the Poisson Distribution?
Also, when would one use this distribution ?
brendan_V
630
points
6
7
9
asked
Oct 13, 2018
Statistics
statistics
poisson
+
–
1
1 vote
1
answers
1 answer
980
980 views
How do we determine if two events are independent
brendan_V
630
points
6
7
9
asked
Oct 13, 2018
Statistics
statistics
probability
+
–
0
0 votes
1
answers
1 answer
622
622 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
5.2k
5.2k 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
590
590 views
How do histograms help us understand a data set?
brendan_V
630
points
6
7
9
asked
Oct 13, 2018
Statistics
statistics
histograms
+
–
2
2 votes
1
answers
1 answer
643
643 views
What is a discrete random variable?
Mike Banks
600
points
6
6
8
asked
Oct 12, 2018
general
statistics
+
–
0
0 votes
1
answers
1 answer
861
861 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
911
911 views
What is the difference between Qualitative and Quantitative data?
Mike Banks
600
points
6
6
8
asked
Oct 12, 2018
general
statistics
+
–
4
4 votes
1
1 answer
1.2k
1.2k views
If x is the number that comes up when you roll a 20 sided die. What is the expected value of x?
If x is the number that comes up when you roll a 20 sided die. What is the expected value of x?
Ahmed Merah
270
points
3
4
7
asked
Oct 12, 2018
general
statistics
probability
expected-value
random-variable
+
–
Page:
« prev
1
2
3
4
5
6
7
next »