.prep_vas {eq5dsuite}

Data checking/preparation: VAS variable

Description

The function prepares the data for VAS (Visual Analogue Scale) analyses.

Usage

.prep_vas(df, name)

Arguments

df

A data frame.

name

Column name in the data frame that holds the VAS score. The column can only contain integers or NAs

Value

A modified data frame with the VAS score renamed to "vas". If any checks fail (e.g. column is not numeric), an error message is displayed and the function is stopping.

Examples

df <- data.frame(vas_score = c(20, 50, 80, NA, 100))
.prep_vas(df = df, name = "vas_score")
df <- data.frame(vas_score = c(20.5, 50, 80, NA, 100))
.prep_vas(df = df, name = "vas_score")