looking at a variable: graphs for single variables

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11 Terms

1
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univariate statistics

understanding the distribution of a single variable

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bivariate statistics

understanding how two variables are related to each other

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multivariate statistics

understanding how multiple variables are related to each other

4
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univariate graphs

bar charts

pie charts

histograms

density plots

box plots

5
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bivariate graphs - two categorical variables

stacked bar chart

dodged bar chart

proportional bar chart

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bivariate graphs - two scale variables

scattered plot

jittered scattered plot

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correlation

when two variables are related but one does not necessarily cause the other

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causation

when one variable directly affects another

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independent variable

the variable used to explain the dependent variable

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dependent variable

the variable to be explained

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confounder

a variable which affects both the independent and the dependent variable