Me, Myself and I (7) Flashcards

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1
Q

we can use a regression analysis to determine what

A

the variation between two variables and the R2 value

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2
Q

what does the adjusted R2 value give

A

a percentage of the data whom the null hypothesis applies to

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3
Q

when would the fishers exact test be more applicable than a chi-squared

A

when we have a sample size smaller than 5

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4
Q

when would we use a multivariate linear model

A

if we are testing for independence between two or more factors

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5
Q

what is cherry-picking within data analysis

A

only presenting the data results that are positive and ignoring the other results

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6
Q

why is cherry-picking within data analysis discouraged

A

it creates a misrepresentation of the data whereas it should be open and transparent

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7
Q

what are the negatives about multiple testing

A

testing all the results until you find a positive one and using it regardless of if its the best aproach

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8
Q

what does multiple testing allow us to identify

A

some real biological modifiers, some co-variables and some chance associations

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9
Q

what does cross-sectional data represent

A

a snapshot of different individuals at a certain time

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10
Q

what does longitudinal data represent

A

to investigate how the data changes over time

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