[06] Biostatistics Flashcards

1
Q

What topics are included in the “Biostatistics” deck?

A
  • Basics of Biostatistics
  • Regression analysis
  • Survival analysis
  • Hypothesis testing
  • Basics of R or other relevant programming languages
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2
Q

Define ‘Biostatistics’

A

An application of statistics to a wide range of topics in biology

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3
Q

What is ‘Regression Analysis’ in biostatistics?

A

A statistical process for estimating the relationships among variables

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4
Q

How is ‘Survival Analysis’ used in biostatistics?

A

It is used to analyze the time until the occurrence of an event

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5
Q

What does ‘Hypothesis Testing’ in biostatistics involve?

A

A method in which sample data is used to make generalizations about a population

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6
Q

What are the basics of R in Biostatistics?

A
  • Data manipulation
  • Data visualization
  • Statistical analysis
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7
Q

Why is ‘Biostatistics’ crucial?

A

It is core for data interpretation in biomedical research

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8
Q

What are the key elements in ‘Regression Analysis’?

A
  • Dependent variable
  • Independent variable
  • The regression equation
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9
Q

What are the components of ‘Survival Analysis’?

A
  • Time of occurrence
  • Censoring
  • Hazard function
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10
Q

What are the steps in ‘Hypothesis Testing’?

A
  • State the hypotheses
  • Formulate an analysis plan
  • Analyze sample data
  • Interpret the results
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11
Q

What processes are involved in R programming?

A
  • Variables & Data Types
  • Control Structures
  • Functions
  • Working with data in R
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12
Q

Define ‘Dependent Variable’

A

The outcome variable that the researcher wants to predict or explain

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13
Q

Define ‘Independent Variable’

A

The variable that is manipulated to determine its effects on the dependent variable

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14
Q

What is ‘Censoring’ in Survival Analysis?

A

A type of missing data problem common in survival analysis where the time to event is not known exactly

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15
Q

What is a ‘Hazard Function’?

A

It describes the risk of experiencing the event of interest at a given time point

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16
Q

What is R?

A

A programming language and software environment for statistical computing and graphics

17
Q

Define ‘Control Structures’ in R

A

They are used to control the flow of a program (e.g., if, if…else, for, while, repeat)

18
Q

What are ‘Functions’ in R programming?

A

They are predefined commands that perform a certain task

19
Q

What is meant by ‘Working with data in R’?

A

It involves importing, cleaning, transforming, visualizing, and modeling data