seminal scaling features (#30) and respective testing

joon-e / tidycomm

tidycomm: Data Modification and Analysis for Communication Research

https://joon-e.github.io/tidycomm/

GNU General Public License v3.0

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Closed MarHai closed 1 year ago

MarHai commented 1 year ago

Four scaling functions (#30) have been implemented:

reverse_scale to turn a 1-5 into a 5-1 scale
change_scale to turn a 1-5 into a 1-10 scale
center_scale to move a 1-5 scale to a -2 to +2 scale (could also be achieved through change_scale)
z_scale to center and divide by SD to get to a z-standardized scale