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Tutor profile: Sarah M.

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Sarah M.
PhD student - mathematical and computational biology
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Questions

Subject: R Programming

TutorMe
Question:

Write a while loop that prints the numbers 1 to 10

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Sarah M.
Answer:

a <- 0 while(a<10){ a <- a + 1 print(a) }

Subject: Biology

TutorMe
Question:

What is epidemiology?

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Sarah M.
Answer:

Epidemiology is the study of the spread of diseases. It looks at how elements such as population distribution, risk factors, and pathogen characteristics, can determine how severe a disease may be and how it may spread. Epidemiology can be used to make forward predictions about the spread of diseases, and can therefore be used to determine successful control strategies.

Subject: Statistics

TutorMe
Question:

What are the differences between type I and type II errors?

Inactive
Sarah M.
Answer:

A type I error, also known as a "false positive", is when you incorrectly reject the null hypothesis. You think that something statistically significant is happening with your data, when in reality it is not. A type II error, also known as a "false negative" is when you incorrectly accept the null hypothesis. You think that there is no statistical significance when in reality there is.

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