Learn R Programming

rAmCharts (version 2.0.2)

initialize,DataSet-method: Creates or updates a DataSet

Description

Uses the constructors to create the object with its properties or updates an existing one with the setters.

Usage

"initialize"(.Object, compared = FALSE, dataProvider, fieldMappings, stockEvents, ...)
dataSet(compared = FALSE, dataProvider, fieldMappings, stockEvents, ...)
"setDataProvider"(.Object, dataProvider, keepNA = TRUE)
setFieldMappings(.Object, fieldMappings)
"setFieldMappings"(.Object, fieldMappings)
addFieldMapping(.Object, ...)
"addFieldMapping"(.Object, ...)
setStockEvents(.Object, stockEvents)
"setStockEvents"(.Object, stockEvents)
addStockEvent(.Object, stockEvent = NULL, ...)
"addStockEvent"(.Object, stockEvent = NULL, ...)

Arguments

.Object
DataSet.
compared
logical.
dataProvider
data.frame, the data set data. Important: the data sets need to come pre-ordered in ascending order. Data with incorrect order might result in visual and functional glitches on the chart.
fieldMappings
list of field mappings. Field mapping is an object with fromField and toField properties. fromField is a name of your value field in dataProvider. toField might be chosen freely, it will be used to set value/open/close/high/low fields for the StockGraph. Example: list(fromField = "val1", toField ="value").
stockEvents
StockEvent.
...
other properties of DataSet.
keepNA
logical, TRUE to keep NA values.
stockEvent
StockEvent. Argument for method addStockEvent.

Value

(updated) DataSet object

Examples

Run this code
new("DataSet")

dataSet(categoryField = "categoryField")

setDataProvider(.Object = dataSet(), data.frame(key = c("FR", "US"), value = c(20,10)))

addFieldMapping(.Object = dataSet(), fieldMappings = list(fromField ="val1", toField ="value"))
addFieldMapping(.Object = dataSet(), fromField ="val1", toField ="value")
addStockEvent(.Object = dataSet(), backgroundAlpha = 1, backgroundColor = "#DADADA")
# equivalent to:
stockEvent_obj <- stockEvent(backgroundAlpha = 1, backgroundColor = "#DADADA")
addStockEvent(.Object = dataSet(), stockEvent = stockEvent_obj)

Run the code above in your browser using DataLab