survey creation and validation survey creation and validation Author dr. mario martinez Published August 18, 2025 Introduction This code was generated with the help of Claude Set up synthetic data # Load necessary libraries library (survey) library (lavaan) library (psych) library (dplyr) library (ggplot2) library (missMethods) # Set seed for reproducibility set.seed ( 123 ) # Create simulated survey data n <- 500 survey_data <- data.frame ( id = 1 : n, q1 = sample ( 1 : 5 , n, replace = TRUE ), q2 = sample ( 1 : 5 , n, replace = TRUE ), q3 = sample ( 1 : 5 , n, replace = TRUE ), q4 = sample ( 1 : 5 , n, replace = TRUE ), q5 = sample ( 1 : 5 , n, replace = TRUE ), q6 = sample ( 1 : 5 , n, replace = TRUE ) ) survey_data1 <- impute_median (survey_data) # Round to whole numbers an...