Update server.R

server.R

@@ -1,18 +1,15 @@
-# This is the server logic for a Shiny web application.
-# You can find out more about building applications with Shiny here:
-# http://shiny.rstudio.com
-library(shiny)
-if (!require('gamlss')) install.packages("gamlss")
-library(gamlss)
-shinyServer(function(input, output) {
- output$distPlot <- renderPlot({
- # generate values of the ZIP distribution based on input$mu from ui.R
- x <- seq(0, input$xmax, 1)
- y <- dZIP(x, mu=input$mu, sigma=input$Prop)
- # draw the histogram with the specified number of bins
- barplot(y, main='Diagrama de barras para las probabilidades',
-         xlab='x', ylab=expression(P(X==x)), las=1, col='deepskyblue3',
-         names.arg = x, ylim=c(0, 1))
- grid()
-   })
-})
+library(shiny)
+library(gamlss.dist)
+
+shinyServer(function(input, output) {
+ output$distPlot <- renderPlot({
+ # generate values of the ZIP distribution based on input$mu from ui.R
+ x <- seq(0, input$xmax, 1)
+ y <- dZIP(x, mu=input$mu, sigma=input$Prop)
+ # draw the histogram with the specified number of bins
+ barplot(y, main='Diagrama de barras para las probabilidades',
+         xlab='x', ylab=expression(P(X==x)), las=1, col='deepskyblue3',
+         names.arg = x, ylim=c(0, 1))
+ grid()
+   })
+})