[R] Need help to fix the max date filter problem in the date input

Rui Barradas ru|pb@rr@d@@ @end|ng |rom @@po@pt
Mon Jun 7 21:21:48 CEST 2021


Hello,

This is not reproducible, we don't have access to ttclasses.csv.
Can you post sample data? Please post the output of

dput(ttclasses)

Or, if it is too big, the output of

dput(head(ttclasses, 20))


Hope this helps,

Rui Barradas


Às 18:03 de 07/06/21, Biplab Nayak escreveu:
> Hi All,
> I Need a bit of help to fix the code.
> Code:
> library(readr)
> library(shiny)
> ttclasses <- read_csv("ttclasses.csv")
> 
> #Filter data
> library(stringr)
> library(dplyr)
> ttclasses <-ttclasses %>%
>    filter(str_detect(assessment, "Assignment"))
> ttclasses <-ttclasses %>%
>    filter(str_detect(name, "Name"))
> 
> ##Remove NA values.
> library(tidyverse)
> ttclasses <-ttclasses %>% drop_na("score")
> 
> #Convert to factor
> ttclasses$assessment <- as.factor(ttclasses$assessment)
> ttclasses$due_date =  as.Date(ttclasses$due_date, format = "mm/dd/yy")
> ##ttclasses$name <- as.factor(ttclasses$name)
> 
> # Define UI ----
> ui <- fluidPage(
> 
>    # App title ----
>    titlePanel("Assessment Dashboard"),
> 
>    # Sidebar layout with input and output definitions ----
>    sidebarLayout(
> 
>      # Sidebar panel for inputs ----
>      sidebarPanel(
> 
>        # Input: Selector for variable to plot the grades for the selected
> assignment ----
>        selectInput("assessment", "Assessment:",
>                    c("Assignment 1" = "Assignment 1",
>                      "Assignment 2" = "Assignment 2",
>                      "Assignment 3" = "Assignment 3",
>                      "Assignment 4" = "Assignment 4",
>                      "Assignment 5" = "Assignment 5")),
>        selectInput("name", "Name:",
>                    ttclasses[,2]),
> 
>      dateRangeInput("due_date",
>                     "Due-Date:",start = max(ttclasses$due_date) ,
>                     separator = " - ")
>      ),
> 
>      # Main panel for displaying outputs ----
>      mainPanel(
> 
>        # Output: Plot of the requested variable against grade ----
>        plotOutput("gradePlot")
> 
>      )
>    )
> )
> 
> # Define server logic to plot  ----
> server <- function(input, output) {
>      output$gradePlot <- renderPlot({
>      grade_ad = input$assessment
>      boxplot(ttclasses$score[ttclasses$assessment==grade_ad],
> frame.plot=FALSE, horizontal=TRUE, col="magenta", main=grade_ad)
>      ttclasses <-ttclasses %>%
>        filter(ttclasses$due_date >= input$due_date[1] & ttclasses$due_date
> <= input$due_date[2])
>    })
> }
> 
> # Create Shiny app ----
> shinyApp(ui, server)
> 
> Thanks & Regards
> 
> 	[[alternative HTML version deleted]]
> 
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