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#' Create new charts
#'
#' Main function to make interactive charts.
#' Check all charts at \url{https://www.fusioncharts.com/charts}
#'
#'
#' @import htmlwidgets
#' @importFrom jsonlite toJSON
#' @importFrom grDevices boxplot.stats
#'
#'
#' @param data Default dataset to use
#' @param x,y character name of variable
#' @param type See `available_charts()`
#' @param numberSuffix Specify the suffix for all the Y-axis values on the chart
#'
#'
#' @export
fusionPlot <- function(data,x, y, type = "column2d", numberSuffix = NULL) {
# Main arguments
category <- NULL
dataset <- NULL
# boxandwhisker2d arguments
showmean <- "0"
showalloutliers <- NULL
charts <- available_charts()
if(type %in% charts[[1]][-c(13:14)]){
new.data <- data.frame(label = factor(data[,x]), value = data[,y])
data <- toJSON(x = new.data, pretty = TRUE)
}
else if(type == "boxandwhisker2d"){
showmean <- "1"
xaxis <- factor(data[,x])
df <- list(category = data.frame(label = as.character(levels(xaxis))))
category <- toJSON(x = df, pretty = TRUE)
n <- unique(levels(xaxis))
df.list <- lapply(1:length(n), function(i){
yaxis <- data[data[,x] == n[i],y]
stats <- boxplot.stats(yaxis)
if(length(stats$out) >= 1){
list(
value = toString(yaxis[! yaxis %in% unique(stats$out)]),
outliers = toString(unique(stats$out))
)
}
else {
list(
value = toString(yaxis)
)
}
})
if(length(grep(pattern = "outliers", x = df.list)) > 0){
showalloutliers <- 1
}
else {
showalloutliers <- 0
}
newlist <- list(seriesname = y, data = df.list)
dataset <- toJSON(x = newlist, pretty = TRUE, auto_unbox = TRUE)
}
else if(type == "scatter"){
df <- data.frame(x = data[,x], y = data[,y])
dataset <- list(data = df)
dataset <- toJSON(x = dataset, pretty = TRUE, auto_unbox = TRUE)
}
else{
stop('Chart not available. Please check `fusionMultiPlot()`')
}
#' @examples
#' library(fusionchartsR)
#'
#' # Single
#' df <- data.frame(label = c("Venezuela", "Saudi", "Canada", "Russia"), value = c(290, 260,180, 115))
#' df %>%
#' fusionPlot(x = "label", y = "value", type = "pie2d") %>%
#' fusionTheme(theme = "fusion")
#'
# forward options using x
x <- list(
data = data,
categories = category,
dataset = dataset,
type = type,
numberSuffix = numberSuffix,
showmean = showmean,
showalloutliers = showalloutliers
)
# create widget
widgets <- htmlwidgets::createWidget(
name = 'fusionPlot',
x = x,
package = 'fusionchartsR'
)
widgets %>%
fusionCaption() %>%
fusionSubcaption() %>%
fusionBackground() %>%
fusionCanvas() %>%
fusionAxis() %>%
fusionCustomAxis() %>%
fusionLegend() %>%
fusionCustomLegend() %>%
fusionPalette() %>%
fusionAnchors() %>%
fusionTrendline() %>%
fusionDiv() %>%
fusionTooltip() %>%
fusionLogo() %>%
fusionTheme()
}
#' Shiny bindings for fusionPlot
#'
#' Output and render functions for using fusionPlot within Shiny
#' applications and interactive Rmd documents.
#'
#' @param outputId output variable to read from
#' @param width,height Must be a valid CSS unit (like \code{'100\%'},
#' \code{'400px'}, \code{'auto'}) or a number, which will be coerced to a
#' string and have \code{'px'} appended.
#' @param expr An expression that generates a fusionPlot
#' @param env The environment in which to evaluate \code{expr}.
#' @param quoted Is \code{expr} a quoted expression (with \code{quote()})? This
#' is useful if you want to save an expression in a variable.
#'
#' @name fusionPlotOutput
#' @aliases renderfusionPlot
#'
#' @export
fusionPlotOutput <- function(outputId, width = '100%', height = '400px'){
htmlwidgets::shinyWidgetOutput(outputId, 'fusionPlot', width, height, package = 'fusionchartsR')
}
#' @rdname fusionPlotOutput
#' @export
renderfusionPlot <- function(expr, env = parent.frame(), quoted = FALSE) {
if (!quoted) { expr <- substitute(expr) } # force quoted
htmlwidgets::shinyRenderWidget(expr, fusionPlotOutput, env, quoted = TRUE)
}
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