6 terms

opre ch 3

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Terms in this set (...)

uses of data visualization
-identify data errors
-reduce size of data set
data ink
ink used in table or chart necessary to convey meaning of data to readers
non data ink
Ink used in a table or chart that serves no useful purpose in conveying the data to the audience
data ink ratio
-helpful perspective
-proportion of data-ink relative to total amount of ink used in table or chart

-many lines, busy -> low data ink ratio

-little to no lines, not busy -> high data ink ratio
crosstabulation table
useful for data of two variables

(aka pivot table for excel)
sparkline chart
-minimalist
-takes up little space
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