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Recent questions in Data Science

1 1 vote
1 1 answer
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What is P-value in Statistical Testing?
What is P-value in Statistical testing?
1 1 vote
1 1 answer
601
601 views
What is a sampling distribution of sample means?
What is a sampling distribution of sample means?
1 1 vote
1 1 answer
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890 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...
1 1 vote
1 1 answer
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3.3k views
In statistics, whats the difference between contingency and frequency tables?
0 0 votes
1 1 answer
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604 views
How do you copy a list without updating the original list?
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1 1 answer
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837 views
What is unsupervised learning?
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1 1 answer
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How to discover outliers of a data frame?
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1 1 answer
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737 views
What are basic steps for treating missing values?
0 0 votes
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764 views
What are the general steps in data cleaning?
1 1 vote
1 1 answer
702
702 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?...
4 4 votes
1 1 answer
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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?
2 2 votes
1 answers 1 answer
698
698 views
What is the use of the Poisson Distribution?
Also, when would one use this distribution ?
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1 answers 1 answer
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How do we determine if two events are independent
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1 answers 1 answer
642
642 views
In the context of probability, what is the "event space"
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1 answers 1 answer
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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?
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1 answers 1 answer
605
605 views
How do histograms help us understand a data set?
2 2 votes
1 answers 1 answer
657
657 views
What is a discrete random variable?
0 0 votes
1 answers 1 answer
875
875 views
What is the difference between permutation and combination?
0 0 votes
1 answers 1 answer
923
923 views
What is the difference between Qualitative and Quantitative data?
4 4 votes
1 1 answer
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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?
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