stmBrowser: Outputs json file and creates visualization from stm.

In stmBrowser: Structural Topic Model Browser

Description

This function outputs necessary json files to a working directory, then opens a browser with the visualization of the relationship between covariates and topics in the stm.

Usage

stmBrowser(mod, data, covariates, text, id = NULL,
     n = 1000, labeltype ="prob", directory=getwd())

Arguments

mod	STM model output.
data	Data associated with the stm model
covariates	Names of covariates you are interested in plotting.
text	Name of the variable within the dataset that corresponds to the text.
id	Name of ID variable for each observation.
n	Number of observations to plot. Maximum is 5000.
labeltype	Type of label for topics (see labelTopics in the stm package for more information)
directory	Directory where the stm visualization should be outputted. Default is the current working directory.

Value

The html file for the browser will be written to the folder the user selects as index.html. The user can open this webpage to view the browser.

See Also

stm

Examples

library(stm)
data(poliblog5k)
#Create date
dec312007 <- as.numeric(as.Date("2007-12-31"))
poliblog5k.meta$date <- as.Date(dec312007+poliblog5k.meta$day,
                                                          origin="1970-01-01")
out <- prepDocuments(poliblog5k.docs, poliblog5k.voc, poliblog5k.meta)
stm.out <- stm(out$documents, out$vocab, K=10,
                              prevalence=~rating + date,
                              data=out$meta,
                              max.em.its=1) #generally run models
                                        #longer than this.
library(stmBrowser)
setwd(tempdir())
stmBrowser(stm.out, data=out$meta, c("rating", "date"),
                   text="text")
#Remove files
unlink("stm-visualization", recursive=TRUE)

stmBrowser documentation built on May 29, 2017, 11:58 a.m.