opt: Calculate the Life Orientation Test - Revised (LOT-R)

In jonathanbart/baxtr: A Package for the Social Scientist

Description

This function renames columns; converts all columns to numerics; tests if the scores are outside of the scale limits; recodes requiste columns; and calculates a LOT-R score.

Usage

opt(start_col, end_col, data)

Arguments

start_col	The column number where the scale begins, reference by number only.
end_col	The column number where the scale end, reference by number only.
data	The reference dataframe.

Note

This function is designed to work with the validated question order as printed in the reference article. This function will give inaccurate results if question order is different from the published validated scale.

References

Scheier, M. F., Carver, C. S., & Bridges, M. W. (1994). Distinguishing optimism from neuroticism (and trait anxiety, self-mastery, and self-esteem): A reevaluation of the Life Orientation Test. Journal of Personality and Social Psychology, 67(6), 1063-1078.

Examples

x <- c(0:4)
df <- data.frame(matrix(sample(x, 10*10, replace = TRUE), nrow = 5, ncol = 10))
opt(1, 10, df)

jonathanbart/baxtr documentation built on May 23, 2019, 4:04 a.m.