Hey guys, i recently got into Shiny and after searching for quite a while I don't know what else to try.
The code itself is very basic and gives a few graphs, it works perfectly, as an example :
unempview %>%
filter (active_population>5000, division != "Grand Duchy of Luxembourg") %>%
ggplot(aes(year , unemp_rate_diff, group = division, colour = division)) +
labs(title = "Unemployement rate difference between regions and national average",
subtitle = "From the year 2001 to 2015", caption = "Taken from your own datasets",
x = "Year", y = "Unemployement Difference") +
geom_line()
But when i try to apply it to Shiny i can't figure out how to use group or colour. With only one choice selected (other being "None" or the same), graph works fine but if I select 2 distinct regions it links all the points together as if group = 1 regardless of what i tried. Can't find a way to get colours in either.
If you guys could point out the logical mistake i'm doing or help in any way, i'd be grateful. Here's the code :
ui <- fluidPage(
titlePanel("My first Shiny App"),
sidebarLayout(
mainPanel(plotOutput("plot"),
textOutput("selected_choice")),
sidebarPanel(selectInput("choice1",
label = "Choose a division",
choices = c("None",unempview$division),
selected = "None"),
selectInput("choice2",
label = "Choose another division (Optional)",
choices = c("None",unempview$division),
selected = "None"),
checkboxInput("difference",
"Display difference with national rate",
value = FALSE)
)
)
)
server <- function(input, output) {
output$plot = renderPlot(unempview %>%
filter(division == input$choice1 | division == input$choice2) %>%
ggplot(aes(year, if (input$difference == TRUE) unemp_rate_diff
else unemployment_rate_in_percent),
group = division, colour = division) +
labs(title = "Unemployement rate comparaison between regions",
subtitle = "From the year 2001 to 2015",
caption = "Taken from your own datasets",
x = "Year",
y = if (input$difference == TRUE) "Unemployement Difference"
else 'Unemployement Rate') +
geom_line()
)
}