Shiny browser(), giving no logic results with if sentence












0














I am creating a Shiny application and when I am debugging with the browser() function I have errors with the if-statement



For example, if I write this (complete example below):



if(1 < 2) 
{
h <- 5
}


And I receive this:
debug at #3: h <- 5



What could be wrong? It looks that if-statment doesn't work inside the browser.
Thanks



library(shiny)


# Global variables can go here
n <- 200


# Define the UI
ui <- bootstrapPage(
numericInput('n', 'Number of obs', n),
plotOutput('plot')
)


# Define the server code
server <- function(input, output) {

browser()
if(1 < 2)
{
h <- 5
}

output$plot <- renderPlot({
hist(runif(input$n))
})
}

# Return a Shiny app object
shinyApp(ui = ui, server = server)









share|improve this question




















  • 1




    You really need to elaborate, it is impossible to tell you what is wrong with so little information. Note that browser() allows you to run your code step-by-step. The fact that it stops on h <- 5 does not indicate this line is wrong. What is the error you are encountering? Can you post a reproducible example? Is this really related to shiny?
    – antoine-sac
    Nov 13 '18 at 10:07












  • I edited with a complete example. Thanks.
    – IbonT
    Nov 14 '18 at 19:00
















0














I am creating a Shiny application and when I am debugging with the browser() function I have errors with the if-statement



For example, if I write this (complete example below):



if(1 < 2) 
{
h <- 5
}


And I receive this:
debug at #3: h <- 5



What could be wrong? It looks that if-statment doesn't work inside the browser.
Thanks



library(shiny)


# Global variables can go here
n <- 200


# Define the UI
ui <- bootstrapPage(
numericInput('n', 'Number of obs', n),
plotOutput('plot')
)


# Define the server code
server <- function(input, output) {

browser()
if(1 < 2)
{
h <- 5
}

output$plot <- renderPlot({
hist(runif(input$n))
})
}

# Return a Shiny app object
shinyApp(ui = ui, server = server)









share|improve this question




















  • 1




    You really need to elaborate, it is impossible to tell you what is wrong with so little information. Note that browser() allows you to run your code step-by-step. The fact that it stops on h <- 5 does not indicate this line is wrong. What is the error you are encountering? Can you post a reproducible example? Is this really related to shiny?
    – antoine-sac
    Nov 13 '18 at 10:07












  • I edited with a complete example. Thanks.
    – IbonT
    Nov 14 '18 at 19:00














0












0








0







I am creating a Shiny application and when I am debugging with the browser() function I have errors with the if-statement



For example, if I write this (complete example below):



if(1 < 2) 
{
h <- 5
}


And I receive this:
debug at #3: h <- 5



What could be wrong? It looks that if-statment doesn't work inside the browser.
Thanks



library(shiny)


# Global variables can go here
n <- 200


# Define the UI
ui <- bootstrapPage(
numericInput('n', 'Number of obs', n),
plotOutput('plot')
)


# Define the server code
server <- function(input, output) {

browser()
if(1 < 2)
{
h <- 5
}

output$plot <- renderPlot({
hist(runif(input$n))
})
}

# Return a Shiny app object
shinyApp(ui = ui, server = server)









share|improve this question















I am creating a Shiny application and when I am debugging with the browser() function I have errors with the if-statement



For example, if I write this (complete example below):



if(1 < 2) 
{
h <- 5
}


And I receive this:
debug at #3: h <- 5



What could be wrong? It looks that if-statment doesn't work inside the browser.
Thanks



library(shiny)


# Global variables can go here
n <- 200


# Define the UI
ui <- bootstrapPage(
numericInput('n', 'Number of obs', n),
plotOutput('plot')
)


# Define the server code
server <- function(input, output) {

browser()
if(1 < 2)
{
h <- 5
}

output$plot <- renderPlot({
hist(runif(input$n))
})
}

# Return a Shiny app object
shinyApp(ui = ui, server = server)






if-statement browser shiny






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Nov 14 '18 at 18:59







IbonT

















asked Nov 12 '18 at 22:12









IbonTIbonT

62




62








  • 1




    You really need to elaborate, it is impossible to tell you what is wrong with so little information. Note that browser() allows you to run your code step-by-step. The fact that it stops on h <- 5 does not indicate this line is wrong. What is the error you are encountering? Can you post a reproducible example? Is this really related to shiny?
    – antoine-sac
    Nov 13 '18 at 10:07












  • I edited with a complete example. Thanks.
    – IbonT
    Nov 14 '18 at 19:00














  • 1




    You really need to elaborate, it is impossible to tell you what is wrong with so little information. Note that browser() allows you to run your code step-by-step. The fact that it stops on h <- 5 does not indicate this line is wrong. What is the error you are encountering? Can you post a reproducible example? Is this really related to shiny?
    – antoine-sac
    Nov 13 '18 at 10:07












  • I edited with a complete example. Thanks.
    – IbonT
    Nov 14 '18 at 19:00








1




1




You really need to elaborate, it is impossible to tell you what is wrong with so little information. Note that browser() allows you to run your code step-by-step. The fact that it stops on h <- 5 does not indicate this line is wrong. What is the error you are encountering? Can you post a reproducible example? Is this really related to shiny?
– antoine-sac
Nov 13 '18 at 10:07






You really need to elaborate, it is impossible to tell you what is wrong with so little information. Note that browser() allows you to run your code step-by-step. The fact that it stops on h <- 5 does not indicate this line is wrong. What is the error you are encountering? Can you post a reproducible example? Is this really related to shiny?
– antoine-sac
Nov 13 '18 at 10:07














I edited with a complete example. Thanks.
– IbonT
Nov 14 '18 at 19:00




I edited with a complete example. Thanks.
– IbonT
Nov 14 '18 at 19:00












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