make_teal_transform_server {teal} | R Documentation |
Make teal_transform_module's server
Description
A factory function to simplify creation of a teal_transform_module
's server. Specified expr
is wrapped in a shiny module function and output can be passed to the server
argument in
teal_transform_module()
call. Such a server function can be linked with ui and values from the
inputs can be used in the expression. Object names specified in the expression will be substituted
with the value of the respective input (matched by the name) - for example in
expression(graph <- graph + ggtitle(title))
object title
will be replaced with the value of
input$title
.
Usage
make_teal_transform_server(expr)
Arguments
expr |
( |
Value
function(id, data)
returning shiny
module
Examples in Shinylive
- example-1
Examples
trim_iris <- teal_transform_module(
label = "Simplified interactive transformator for iris",
datanames = "iris",
ui = function(id) {
ns <- NS(id)
numericInput(ns("n_rows"), "Subset n rows", value = 6, min = 1, max = 150, step = 1)
},
server = make_teal_transform_server(expression(iris <- head(iris, n_rows)))
)
app <- init(
data = teal_data(iris = iris),
modules = example_module(transformators = trim_iris)
)
if (interactive()) {
shinyApp(app$ui, app$server)
}
[Package teal version 0.16.0 Index]