score_items: Score multiple choice items
In Deleetdk/kirkegaard: kirkegaard
View source: R/psychometrics.R
score_items R Documentation
Score multiple choice items
Description
Score a data.frame with multiple choice items using an answer key. Each column has a answers for one question.
Usage
score_items(df, key)
Arguments
df
(data.frame) A data.frame with responses.
key
(vector) A vector with the correct responses.
Details
Returns a data.frame of the same size as that given with the values 0 representing incorrect answers and 1 representing correct answers.
Examples
library(psych) #for ICAR data
d = score_items(iqitems, c(4,4,4, 6, 6,3,4,4, 5,2,2,4, 3,2,6,7)) #score and save
psych::alpha(d) #examine internal consistency
Deleetdk/kirkegaard documentation built on Feb. 28, 2025, 5:04 p.m.
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View source: R/psychometrics.R
| score_items | R Documentation |
Score multiple choice items
Description
Score a data.frame with multiple choice items using an answer key. Each column has a answers for one question.
Usage
score_items(df, key)
Arguments
df |
(data.frame) A data.frame with responses. |
key |
(vector) A vector with the correct responses. |
Details
Returns a data.frame of the same size as that given with the values 0 representing incorrect answers and 1 representing correct answers.
Examples
library(psych) #for ICAR data
d = score_items(iqitems, c(4,4,4, 6, 6,3,4,4, 5,2,2,4, 3,2,6,7)) #score and save
psych::alpha(d) #examine internal consistency
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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