survey

Tidying STM with tidytext

Libraries library(tidytext) library(ggthemes) library(tidyverse) library(ggplot2) library(dplyr) library(scales) Load Previous STM Objects I have previously run stm models for topics ranging from 3 to 25. Based on the fit indices, a six-topic model was selected.

Randomizing Vignette Factorial Designs in Survey Research with Qualtrics

Sometimes in survey research, we want to present varying conditions in a short descriptive text, often called a vignette, and measure the effects of those conditions on an outcome of interest.