Word Cloud Generator v0.1
Duong Tran
03 Jul 2021
Introduction
There are many Word Cloud Generators online and some are free. R also has the wordcloud package and you can use this with Shiny to build your own Word Cloud Generator. This post shows such a simple Shiny application with some generated word-cloud samples.
Shiny API
Input Data
tidyverse_packages.csv
======================
word, count
ggplot2, 95
dplyr, 92
tidyverse, 90
...
Shiny Codes
library(wordcloud)
library(shiny)
library(ggplot2)
library(RColorBrewer)
ui <- fluidPage(
etc..
)
server <- function(input, output) {
plotInput <- function(){
etc..
# this is the key function.
p <- wordcloud(words = df[,1], freq = df[,2], min.freq = 1, max.words=Inf, random.order=TRUE, rot.per=0.3,
colors = brewer.pal(10, "Set3")
)
p
}
output$plot <- renderPlot({
plotInput()
})
etc..
}
shinyApp(ui, server)
