R Shiny: Scale validation
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Steps to do scale validation using this app
Select existing data set
Use own data set
Choose data
Choose a dataset:
HADS
scqol
cortisol
Visualization of a subset of data (existing)
Upload data
Choose a .csv or .txt file:
Browse...
Choose separator:
comma
semicolon
tab
whitespace
Does the data have named columns (header)?
Missing value symbol
comma
dot
R code examples: import data
Visualization of a subset of data (upload)
Multitrade
DETECT Index
Monotonicity
DIF
TJUR
Choose scales, scale items, correlation and restscore
1. Choose scales
Write the name of the scale:
Add scale
Set scale(s)
Choose items, dimensions and score
1. Choose items
2. Choose dimensions
Enter the dimensions to the items (comma delimited):
Set dimensions
3. Choose score
sum score
mean score
Calculate DETECT index
Examples of app's three t-tests